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• Can't install MySQL

  - by James Marthenal

  I have a Debian machine that I have previously installed MySQL on. In an attempt to delete it, I stupidly deleted the directories/files /etc/mysql/, /etc/init.d/mysql, /usr/lib/mysql/, /var/lib/mysql/. I then later did sudo apt-get purge mysql-server mysql-server-5.0. Now, when I try to install mysql-server, I get: $ sudo apt-get install mysql-server Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: mysql-server-5.0 The following NEW packages will be installed: mysql-server mysql-server-5.0 0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded. Need to get 0B/27.4MB of archives. After this operation, 86.6MB of additional disk space will be used. Do you want to continue [Y/n]? y WARNING: The following packages cannot be authenticated! mysql-server-5.0 mysql-server Authentication warning overridden. Preconfiguring packages ... Can't exec "/tmp/mysql-server-5.0.config.122781": Permission denied at /usr/share/perl/5.10/IPC/Open3.pm line 168. open2: exec of /tmp/mysql-server-5.0.config.122781 configure failed at /usr/share/perl5/Debconf/ConfModule.pm line 59 mysql-server-5.0 failed to preconfigure, with exit status 255 Selecting previously deselected package mysql-server-5.0. (Reading database ... 158138 files and directories currently installed.) Unpacking mysql-server-5.0 (from .../mysql-server-5.0_5.0.51a-24+lenny5_amd64.deb) ... Selecting previously deselected package mysql-server. Unpacking mysql-server (from .../mysql-server_5.0.51a-24+lenny5_all.deb) ... Processing triggers for man-db ... Setting up mysql-server-5.0 (5.0.51a-24+lenny5) ... Stopping MySQL database server: mysqld. 110206 19:31:13 [ERROR] /usr/sbin/mysqld: Can't find file: './mysql/user.frm' (errno: 13) 110206 19:31:13 [ERROR] /usr/sbin/mysqld: Can't find file: './mysql/user.frm' (errno: 13) ERROR: 1017 Can't find file: './mysql/user.frm' (errno: 13) 110206 19:31:13 [ERROR] Aborting 110206 19:31:13 [Note] /usr/sbin/mysqld: Shutdown complete /etc/init.d/mysql: WARNING: /etc/mysql/my.cnf cannot be read. See README.Debian.gz (warning). Starting MySQL database server: mysqld . . . . . . . . . . . . . . failed! invoke-rc.d: initscript mysql, action "start" failed. dpkg: error processing mysql-server-5.0 (--configure): subprocess post-installation script returned error exit status 1 dpkg: dependency problems prevent configuration of mysql-server: mysql-server depends on mysql-server-5.0; however: Package mysql-server-5.0 is not configured yet. dpkg: error processing mysql-server (--configure): dependency problems - leaving unconfigured Errors were encountered while processing: mysql-server-5.0 mysql-server E: Sub-process /usr/bin/dpkg returned an error code (1) I have tried to search for a solution via Google and have found lots of suggestions for this problem, but ultimately it seems like the problem is that by deleting the files manually, I messed up the mysql-common package. I have tried to do sudo apt-get install --reinstall mysql-common followed by installing mysql-server, but it does the exact same thing. I previously had MySQL working great, I just want to get it back to that state. Thanks so much for your help.

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• Dealing with HTTP w00tw00t attacks

  - by Saif Bechan

  I have a server with apache and I recently installed mod_security2 because I get attacked a lot by this: My apache version is apache v2.2.3 and I use mod_security2.c This were the entries from the error log: [Wed Mar 24 02:35:41 2010] [error] [client 88.191.109.38] client sent HTTP/1.1 request without hostname (see RFC2616 section 14.23): /w00tw00t.at.ISC.SANS.DFind:) [Wed Mar 24 02:47:31 2010] [error] [client 202.75.211.90] client sent HTTP/1.1 request without hostname (see RFC2616 section 14.23): /w00tw00t.at.ISC.SANS.DFind:) [Wed Mar 24 02:47:49 2010] [error] [client 95.228.153.177] client sent HTTP/1.1 request without hostname (see RFC2616 section 14.23): /w00tw00t.at.ISC.SANS.DFind:) [Wed Mar 24 02:48:03 2010] [error] [client 88.191.109.38] client sent HTTP/1.1 request without hostname (see RFC2616 section 14.23): /w00tw00t.at.ISC.SANS.DFind:) Here are the errors from the access_log: 202.75.211.90 - - [29/Mar/2010:10:43:15 +0200] "GET /w00tw00t.at.ISC.SANS.DFind:) HTTP/1.1" 400 392 "-" "-" 211.155.228.169 - - [29/Mar/2010:11:40:41 +0200] "GET /w00tw00t.at.ISC.SANS.DFind:) HTTP/1.1" 400 392 "-" "-" 211.155.228.169 - - [29/Mar/2010:12:37:19 +0200] "GET /w00tw00t.at.ISC.SANS.DFind:) HTTP/1.1" 400 392 "-" "-" I tried configuring mod_security2 like this: SecFilterSelective REQUEST_URI "w00tw00t\.at\.ISC\.SANS\.DFind" SecFilterSelective REQUEST_URI "\w00tw00t\.at\.ISC\.SANS" SecFilterSelective REQUEST_URI "w00tw00t\.at\.ISC\.SANS" SecFilterSelective REQUEST_URI "w00tw00t\.at\.ISC\.SANS\.DFind:" SecFilterSelective REQUEST_URI "w00tw00t\.at\.ISC\.SANS\.DFind:\)" The thing in mod_security2 is that SecFilterSelective can not be used, it gives me errors. Instead I use a rule like this: SecRule REQUEST_URI "w00tw00t\.at\.ISC\.SANS\.DFind" SecRule REQUEST_URI "\w00tw00t\.at\.ISC\.SANS" SecRule REQUEST_URI "w00tw00t\.at\.ISC\.SANS" SecRule REQUEST_URI "w00tw00t\.at\.ISC\.SANS\.DFind:" SecRule REQUEST_URI "w00tw00t\.at\.ISC\.SANS\.DFind:\)" Even this does not work. I don't know what to do anymore. Anyone have any advice? Update 1 I see that nobody can solve this problem using mod_security. So far using ip-tables seems like the best option to do this but I think the file will become extremely large because the ip changes serveral times a day. I came up with 2 other solutions, can someone comment on them on being good or not. The first solution that comes to my mind is excluding these attacks from my apache error logs. This will make is easier for me to spot other urgent errors as they occur and don't have to spit trough a long log. The second option is better i think, and that is blocking hosts that are not sent in the correct way. In this example the w00tw00t attack is send without hostname, so i think i can block the hosts that are not in the correct form. Update 2 After going trough the answers I came to the following conclusions. To have custom logging for apache will consume some unnecessary recourses, and if there really is a problem you probably will want to look at the full log without anything missing. It is better to just ignore the hits and concentrate on a better way of analyzing your error logs. Using filters for your logs a good approach for this. Final thoughts on the subject The attack mentioned above will not reach your machine if you at least have an up to date system so there are basically no worries. It can be hard to filter out all the bogus attacks from the real ones after a while, because both the error logs and access logs get extremely large. Preventing this from happening in any way will cost you resources and they it is a good practice not to waste your resources on unimportant stuff. The solution i use now is Linux logwatch. It sends me summaries of the logs and they are filtered and grouped. This way you can easily separate the important from the unimportant. Thank you all for the help, and I hope this post can be helpful to someone else too.

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• SUSE EC2 Problem - zypper - Permission denied

  - by phuu

  Hi. I'm trying to use zypper to install gcc on my Amazon EC2 instance running SUSE.When I try:zypper in gcc I get: Retrieving repository 'SLE11-SDK-SP1' metadata [] Permission to access 'http://eu-west-1-ec2-update.susecloud.net/repo/install/SLE11-SDK-SP1/sle-11-i586/media.1/media' denied. Abort, retry, ignore? [a/r/i/?] (a): i Retrieving repository 'SLE11-SDK-SP1' metadata [error] Repository 'SLE11-SDK-SP1' is invalid. Can't provide /media.1/media : User-requested skipping of a file Please check if the URIs defined for this repository are pointing to a valid repository. Warning: Disabling repository 'SLE11-SDK-SP1' because of the above error. Retrieving repository 'SLE11-SDK-SP1-Updates' metadata [|] Permission to access 'http://eu-west-1-ec2-update.susecloud.net/repo/update/SLE11-SDK-SP1-Updates/sle-11-i586/repodata/repomd.xml' denied. Abort, retry, ignore? [a/r/i/?] (a): i Retrieving repository 'SLE11-SDK-SP1-Updates' metadata [error] Repository 'SLE11-SDK-SP1-Updates' is invalid. Can't provide /repodata/repomd.xml : User-requested skipping of a file Please check if the URIs defined for this repository are pointing to a valid repository. Warning: Disabling repository 'SLE11-SDK-SP1-Updates' because of the above error. Retrieving repository 'SLES11-Extras' metadata [/] Permission to access 'http://eu-west-1-ec2-update.susecloud.net/repo/update/SLES11-Extras/sle-11-i586/repodata/repomd.xml' denied. Abort, retry, ignore? [a/r/i/?] (a): r Permission to access 'http://eu-west-1-ec2-update.susecloud.net/repo/update/SLES11-Extras/sle-11-i586/repodata/repomd.xml' denied. Abort, retry, ignore? [a/r/i/?] (a): zypper in gcc Invalid answer 'zypper in gcc'. [a/r/i/?] (a): a Retrieving repository 'SLES11-Extras' metadata [error] Repository 'SLES11-Extras' is invalid. Can't provide /repodata/repomd.xml : Please check if the URIs defined for this repository are pointing to a valid repository. Warning: Disabling repository 'SLES11-Extras' because of the above error. Retrieving repository 'SLES11-SP1' metadata [-] Permission to access 'http://eu-west-1-ec2-update.susecloud.net/repo/install/SLES11-SP1/sle-11-i586/media.1/media' denied. Abort, retry, ignore? [a/r/i/?] (a): a Retrieving repository 'SLES11-SP1' metadata [error] Repository 'SLES11-SP1' is invalid. Can't provide /media.1/media : Please check if the URIs defined for this repository are pointing to a valid repository. Warning: Disabling repository 'SLES11-SP1' because of the above error. Retrieving repository 'SLES11-SP1-Updates' metadata [] Permission to access 'http://eu-west-1-ec2-update.susecloud.net/repo/update/SLES11-SP1-Updates/sle-11-i586/repodata/repomd.xml' denied. I've search for the problem and this thread came up, but offered no solutions.I've triedsces-activate. Am I doing something wrong? I should say I'm very new to this, and I admit I don't really know what I'm doing, but I'm trying to learn about setting up and running a server and so I thought I'd throw myself in at the deep(ish) end. Thanks for reading.

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• MySQL my.cnf file not being read, Ubuntu 10.04 64bit

  - by reallyordinary

  I've been researching this for a few hours with no luck. Basically it looks like my server's my.cnf file isn't being read at all. I've searched my server, and there's only one my.cnf file on it, located at /etc/mysql/my.cnf. Its ownership is root:root. I'm running Ubuntu 10.04 64bit on a Linode.com server. I have the latest versions of MySQL and PHP installed. I've edited the my.cnf file, commented out "skip-innodb", and have set innodb to be the default storage engine using default-storage-engine = innodb And then restarted mysql. But when I do show engines, MyISAM is still coming up as the default engine. Also - none of the innodb settings I've added to the my.cnf file are being read. For example, I have this in my.cnf: innodb_buffer_pool_size=4G But in phpmyadmin, InnoDB is showing as having a buffer pool size of 8,192 KiB. Similarly, I have this in the my.cnf: innodb_data-file_path = ibdata1:500M:autoextend But in phpmyadmin, it's reading as ibdata1:10M:autoextend. It doesn't look like MyISAM info is being read from the my.cnf file either. The my.cnf file has skip-external-locking queried out, but it's showing as "on" in phpmyadmin. So - yeah, it looks like nothing in the my.cnf file is being read at all. But the server still works. I'm running a Drupal site on it and it seems to operate fine. So mysql seems to be drawing default settings from... some mysterious secret location. Any idea how I can make mysql see and use this my.cnf file? Actually, wait - it looks like it may be being read, not sure. I checked the error.log and found this: 101128 4:28:52 [ERROR] Cannot find or open table databasename/cache_apachesolr from the internal data dictionary of InnoDB though the .frm file for the table exists. Maybe you have deleted and recreated InnoDB data files but have forgotten to delete the corresponding .frm files of InnoDB tables, or you have moved .frm files to another database? or, the table contains indexes that this version of the engine doesn't support. See http://dev.mysql.com/doc/refman/5.1/en/innodb-troubleshooting.html how you can resolve the problem. InnoDB: Error: auto-extending data file ./ibdata1 is of a different size InnoDB: 640 pages (rounded down to MB) than specified in the .cnf file: InnoDB: initial 32000 pages, max 0 (relevant if non-zero) pages! InnoDB: Could not open or create data files. InnoDB: If you tried to add new data files, and it failed here, InnoDB: you should now edit innodb_data_file_path in my.cnf back InnoDB: to what it was, and remove the new ibdata files InnoDB created InnoDB: in this failed attempt. InnoDB only wrote those files full of InnoDB: zeros, but did not yet use them in any way. But be careful: do not InnoDB: remove old data files which contain your precious data! 101128 4:28:52 [ERROR] Plugin 'InnoDB' init function returned error. 101128 4:28:52 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed. 101128 4:28:52 [ERROR] /usr/sbin/mysqld: unknown variable 'innodb_lock_wait_timout=50' 101128 4:28:52 [ERROR] Aborting 101128 4:28:52 [Note] /usr/sbin/mysqld: Shutdown complete

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• Installing Mod-wsgi 3.3 for apache 2.2 and python 3.2

  - by aaronasterling

  I am attempting to install Mod-wsgi 3.3 on an ubuntu 11.10 desktop edition with apache 2.2 and python 3.2 I downloaded the source tarball and extracted it. I configured it using the --with-python=/usr/bin/python3 option to configure. This is the only copy of python3 that I have installed. I then issued the commands make and sudo make install. I attempted to restart apache using sudo /etc/init.d/apache2 restart and get the following error message: apache2: Syntax error on line 203 of /etc/apache2/apache2.conf: Syntax error on line 1 of /etc/apache2/mods-enabled/wsgi.load: Cannot load /usr/lib/apache2/modules /mod_wsgi.so into server: /usr/lib/apache2/modules/mod_wsgi.so: undefined symbol: PyCObject_FromVoidPtr Action 'configtest' failed. The Apache error log may have more information. ...fail! The error logs only inform us that it's a segfault: ` I checked to make sure that it's linked against the right python library with ldd mod_wsgi.so and got the output linux-gate.so.1 => (0x00d66000) libpython3.2mu.so.1.0 => /usr/lib/libpython3.2mu.so.1.0 (0x0065b000) libpthread.so.0 => /lib/i386-linux-gnu/libpthread.so.0 (0x00a20000) libc.so.6 => /lib/i386-linux-gnu/libc.so.6 (0x00110000) libssl.so.1.0.0 => /lib/i386-linux-gnu/libssl.so.1.0.0 (0x0028c000) libcrypto.so.1.0.0 => /lib/i386-linux-gnu/libcrypto.so.1.0.0 (0x0044c000) libffi.so.6 => /usr/lib/i386-linux-gnu/libffi.so.6 (0x002d9000) libz.so.1 => /lib/i386-linux-gnu/libz.so.1 (0x00eb3000) libexpat.so.1 => /lib/i386-linux-gnu/libexpat.so.1 (0x00abe000) libdl.so.2 => /lib/i386-linux-gnu/libdl.so.2 (0x002e0000) libutil.so.1 => /lib/i386-linux-gnu/libutil.so.1 (0x00c47000) libm.so.6 => /lib/i386-linux-gnu/libm.so.6 (0x00e24000) /lib/ld-linux.so.2 (0x0042c000) It seems to be linking against the python3 library so I'm not sure what the issue is. I have read on another question that mod-python can present problems however it was never installed. I saw that the directive WSGIPythonHome can be used to point to the correct python version and created a directory /usr/bin/apache2-python/ with a link named python and python3(the name I passed to the configure script) to /usr/bin/python3 This results in the same error. So I'm pretty sure it's using the correct version of python. I am now at a loss. Thanks in advance for any help. update Using the version from the repository I get the following log when I attempt to request a page: [Wed Mar 21 13:21:11 2012] [notice] child pid 5567 exit signal Aborted (6) Fatal Python error: Py_Initialize: Unable to get the locale encoding LookupError: no codec search functions registered: can't find encoding [Wed Mar 21 13:21:13 2012] [notice] child pid 5568 exit signal Aborted (6) Fatal Python error: Py_Initialize: Unable to get the locale encoding LookupError: no codec search functions registered: can't find encoding [Wed Mar 21 13:21:14 2012] [notice] caught SIGTERM, shutting down If I comment out the instruction to load mod-wsgi, the page serves normally.

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• Routing not working correctly using the laravel framework

  - by samayres1992

  I'm using the book wrote by one of the guys that created laravel, so I'd like to think for the most part this code isn't horribly wrong. My server is setup with nginx serving all static files and apache2 serving php. My config for each are the following: apache2: <VirtualHost *> # Host that will serve this project. ServerName litl.it # The location of our projects public directory. DocumentRoot /var/www/litl.it/laravel/public # Useful logs for debug. CustomLog /var/log/apache.access.log common ErrorLog /var/log/apache.error.log # Rewrites for pretty URLs, better not to rely on .htaccess. <Directory /var/www/litl.it/laravel/public> <IfModule mod_rewrite.c> Options -MultiViews RewriteEngine On RewriteCond %{REQUEST_FILENAME} !-f RewriteRule ^ index.php [L] </IfModule> </Directory> nginx: server { # Port that the web server will listen on. listen 80; # Host that will serve this project. server_name litl.it *.litl.it; # Useful logs for debug. access_log /var/log/nginx.access.log; error_log /var/log/nginx.error.log; rewrite_log on; # The location of our projects public directory. root /var/www/litl.it/laravel/public; # Point index to the Laravel front controller. index index.php; location / { # URLs to attempt, including pretty ones. try_files $uri $uri/ /index.php?$query_string; } # Remove trailing slash to please routing system. if (!-d $request_filename) { rewrite ^/(.+)/$ /$1 permanent; } # PHP FPM configuration. location ~* \.php$ { proxy_pass http://127.0.0.1:8080; include /etc/nginx/proxy_params; try_files index index.php $uri =404; include /etc/nginx/fastcgi_params; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME $document_root/php/$fastcgi_script_name; } # We don't need .ht files with nginx. location ~ /\.ht { deny all; } location @proxy { proxy_pass http://127.0.0.1:8080; include /etc/nginx/proxy_params; } error_page 403 /error/403.html; error_page 404 /error/404.html; error_page 405 /error/405.html; error_page 500 501 502 503 504 /error/5xx.html; location ^~ /error/ { internal; root /var/www/litl.it/lavarel/public/error; } } I'm including these server configs, as I feel this maybe the issue? Here is my incredibly basic routing file that should return "routing is working" on domain.com/test but instead it just returns the homepage. <?php Route::get('/', function() { return View::make('hello'); }); Route::get('/test', function() { return "routing is working"; }); Any ideas where I'm going wrong, I'm following this tutorial very closely and I'm confused why there is issue. Thanks!

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• Installing .NET Framework 4 Client Profile breaks Windows Update

  - by Richard

  I have a Samsung NC-10 netbook with a fresh install of Windows 7 Home Premium 32-bit (it only had 2GB). If Microsoft .NET Framework 4 Client Profile is installed on it, Windows Update will always return error code 8024402F ("Windows Update encountered an unknown error"). As soon as I uninstall it, Windows Update works just fine again. Out of the four computers in this house, only this netbook has the problem. My question is: How can I get the .NET Framework 4 Client Profile installed on my netbook and continue to have a functioning Windows Update? ----- More information ----- The hard-drive recently died on my netbook so I replaced it with a nice new SSD and did a fresh installation of Windows 7 Home Premium (SP1) - along with all the updates. At some point I found that, when I ran Windows Update, I was greeted with error code 8024402F ("Windows Update encountered an unknown error"). Looking in C:\Windows\WindowsUpdate.log, I saw the following issue: WARNING: ECP: Failed to validate cab file digest downloaded from http://download.windowsupdate.com/msdownload/update/software/dflt/2012/02/4913552_4a5c9563d1f58c77f30d0d5c9999e4b8bff3ab21.cab with error 0x80091007 WARNING: ECP: This roundtrip contained some optimized updates which failed. New Update count = 0, Old Count = 3 FATAL: ProcessCoreMetadata did not return any update to be committed WARNING: Sync of Updates: 0x8024402f WARNING: SyncServerUpdatesInternal failed: 0x8024402f When I downloaded the CAB from the URL listed and opened it, it contained a file called 4913552.txt. A search on Google suggested that it's related to Microsoft .NET Framework 4 Client Profile. Other people had reported problems with it breaking Windows Update, but they were running Windows XP. I tried the steps outlined on the Microsoft site for this error code, but it reported that there was nothing wrong. I also found this superuser question, I tried all the answers listed but none of them made any difference. My router doesn't block ActiveX, changing my internet settings in IE made no difference, assuming it was a corrupted update repository didn't do anything (except wipe my update history), my date and time was correct, switching to Google's DNS didn't work and neither did disabling IPv6. Figuring that this update was corrupted, I repaired it and nothing changed. In desperation I un-installed it and Windows Update started working again! Brilliant! I then downloaded the full version from the Microsoft website, installed it and, thankfully, Windows Update continued to work just fine. A week later I turn on my netbook and Windows Update is broken again with exactly the same error message and log entries as before. Repairing .NET Framework 4 Client Profile did nothing, removing it entirely solved the problem again. Thinking this might be some odd Windows installation issue, I formatted the hard-drive and re-installed Windows. Same problem as before - as soon as .NET Framework 4 Client Profile ended up on the netbook, Windows Update stopped working and reported error 8024402F. As soon as it was un-installed, everything worked just fine again. There are three other machines in this house and all of them have working Windows Update and this Client Profile. Does anyone know why it causes this netbook to break and, more importantly, how I can fix it?

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• R Package Installation with Oracle R Enterprise

  - by Sherry LaMonica-Oracle

  Normal 0 false false false EN-US X-NONE X-NONE Programming languages give developers the opportunity to write reusable functions and to bundle those functions into logical deployable entities. In R, these are called packages. R has thousands of such packages provided by an almost equally large group of third-party contributors. To allow others to benefit from these packages, users can share packages on the CRAN system for use by the vast R development community worldwide. R's package system along with the CRAN framework provides a process for authoring, documenting and distributing packages to millions of users. In this post, we'll illustrate the various ways in which such R packages can be installed for use with R and together with Oracle R Enterprise. In the following, the same instructions apply when using either open source R or Oracle R Distribution. In this post, we cover the following package installation scenarios for: R command line Linux shell command line Use with Oracle R Enterprise Installation on Exadata or RAC Installing all packages in a CRAN Task View Troubleshooting common errors 1. R Package Installation BasicsR package installation basics are outlined in Chapter 6 of the R Installation and Administration Guide. There are two ways to install packages from the command line: from the R command line and from the shell command line. For this first example on Oracle Linux using Oracle R Distribution, we’ll install the arules package as root so that packages will be installed in the default R system-wide location where all users can access it, /usr/lib64/R/library.Within R, using the install.packages function always attempts to install the latest version of the requested package available on CRAN:R> install.packages("arules")If the arules package depends upon other packages that are not already installed locally, the R installer automatically downloads and installs those required packages. This is a huge benefit that frees users from the task of identifying and resolving those dependencies.You can also install R from the shell command line. This is useful for some packages when an internet connection is not available or for installing packages not uploaded to CRAN. To install packages this way, first locate the package on CRAN and then download the package source to your local machine. For example:$ wget http://cran.r-project.org/src/contrib/arules_1.1-2.tar.gz Then, install the package using the command R CMD INSTALL:$ R CMD INSTALL arules_1.1-2.tar.gzA major difference between installing R packages using the R package installer at the R command line and shell command line is that package dependencies must be resolved manually at the shell command line. Package dependencies are listed in the Depends section of the package’s CRAN site. If dependencies are not identified and installed prior to the package’s installation, you will see an error similar to:ERROR: dependency ‘xxx’ is not available for package ‘yyy’As a best practice and to save time, always refer to the package’s CRAN site to understand the package dependencies prior to attempting an installation. If you don’t run R as root, you won’t have permission to write packages into the default system-wide location and you will be prompted to create a personal library accessible by your userid. You can accept the personal library path chosen by R, or specify the library location by passing parameters to the install.packages function. For example, to create an R package repository in your home directory: R> install.packages("arules", lib="/home/username/Rpackages")or$ R CMD INSTALL arules_1.1-2.tar.gz --library=/home/username/RpackagesRefer to the install.packages help file in R or execute R CMD INSTALL --help at the shell command line for a full list of command line options.To set the library location and avoid having to specify this at every package install, simply create the R startup environment file .Renviron in your home area if it does not already exist, and add the following piece of code to it:R_LIBS_USER = "/home/username/Rpackages" 2. Setting the RepositoryEach time you install an R package from the R command line, you are asked which CRAN mirror, or server, R should use. To set the repository and avoid having to specify this during every package installation, create the R startup command file .Rprofile in your home directory and add the following R code to it:cat("Setting Seattle repository")r = getOption("repos") r["CRAN"] = "http://cran.fhcrc.org/"options(repos = r)rm(r) This code snippet sets the R package repository to the Seattle CRAN mirror at the start of each R session. 3. Installing R Packages for use with Oracle R EnterpriseEmbedded R execution with Oracle R Enterprise allows the use of CRAN or other third-party R packages in user-defined R functions executed on the Oracle Database server. The steps for installing and configuring packages for use with Oracle R Enterprise are the same as for open source R. The database-side R engine just needs to know where to find the R packages.The Oracle R Enterprise installation is performed by user oracle, which typically does not have write permission to the default site-wide library, /usr/lib64/R/library. On Linux and UNIX platforms, the Oracle R Enterprise Server installation provides the ORE script, which is executed from the operating system shell to install R packages and to start R. The ORE script is a wrapper for the default R script, a shell wrapper for the R executable. It can be used to start R, run batch scripts, and build or install R packages. Unlike the default R script, the ORE script installs packages to a location writable by user oracle and accessible by all ORE users - $ORACLE_HOME/R/library.To install a package on the database server so that it can be used by any R user and for use in embedded R execution, an Oracle DBA would typically download the package source from CRAN using wget. If the package depends on any packages that are not in the R distribution in use, download the sources for those packages, also.  For a single Oracle Database instance, replace the R script with ORE to install the packages in the same location as the Oracle R Enterprise packages. $ wget http://cran.r-project.org/src/contrib/arules_1.1-2.tar.gz$ ORE CMD INSTALL arules_1.1-2.tar.gzBehind the scenes, the ORE script performs the equivalent of setting R_LIBS_USER to the value of $ORACLE_HOME/R/library, and all R packages installed with the ORE script are installed to this location. For installing a package on multiple database servers, such as those in an Oracle Real Application Clusters (Oracle RAC) or a multinode Oracle Exadata Database Machine environment, use the ORE script in conjunction with the Exadata Distributed Command Line Interface (DCLI) utility.$ dcli -g nodes -l oracle ORE CMD INSTALL arules_1.1-1.tar.gz The DCLI -g flag designates a file containing a list of nodes to install on, and the -l flag specifies the user id to use when executing the commands. For more information on using DCLI with Oracle R Enterprise, see Chapter 5 in the Oracle R Enterprise Installation Guide.If you are using an Oracle R Enterprise client, install the package the same as any R package, bearing in mind that you must install the same version of the package on both the client and server machines to avoid incompatibilities. 4. CRAN Task ViewsCRAN also maintains a set of Task Views that identify packages associated with a particular task or methodology. Task Views are helpful in guiding users through the huge set of available R packages. They are actively maintained by volunteers who include detailed annotations for routines and packages. If you find one of the task views is a perfect match, you can install every package in that view using the ctv package - an R package for automating package installation. To use the ctv package to install a task view, first, install and load the ctv package.R> install.packages("ctv")R> library(ctv)Then query the names of the available task views and install the view you choose.R> available.views() R> install.views("TimeSeries") 5. Using and Managing R packages To use a package, start up R and load packages one at a time with the library command.Load the arules package in your R session. R> library(arules)Verify the version of arules installed.R> packageVersion("arules")[1] '1.1.2'Verify the version of arules installed on the database server using embedded R execution.R> ore.doEval(function() packageVersion("arules"))View the help file for the apropos function in the arules packageR> ?aproposOver time, your package repository will contain more and more packages, especially if you are using the system-wide repository where others are adding additional packages. It’s good to know the entire set of R packages accessible in your environment. To list all available packages in your local R session, use the installed.packages command:R> myLocalPackages <- row.names(installed.packages())R> myLocalPackagesTo access the list of available packages on the ORE database server from the ORE client, use the following embedded R syntax: R> myServerPackages <- ore.doEval(function() row.names(installed.packages()) R> myServerPackages 6. Troubleshooting Common ProblemsInstalling Older Versions of R packagesIf you immediately upgrade to the latest version of R, you will have no problem installing the most recent versions of R packages. However, if your version of R is older, some of the more recent package releases will not work and install.packages will generate a message such as: Warning message: In install.packages("arules") : package ‘arules’ is not availableThis is when you have to go to the Old sources link on the CRAN page for the arules package and determine which version is compatible with your version of R.Begin by determining what version of R you are using:$ R --versionOracle Distribution of R version 3.0.1 (--) -- "Good Sport" Copyright (C) The R Foundation for Statistical Computing Platform: x86_64-unknown-linux-gnu (64-bit)Given that R-3.0.1 was released May 16, 2013, any version of the arules package released after this date may work. Scanning the arules archive, we might try installing version 0.1.1-1, released in January of 2014:$ wget http://cran.r-project.org/src/contrib/Archive/arules/arules_1.1-1.tar.gz$ R CMD INSTALL arules_1.1-1.tar.gzFor use with ORE:$ ORE CMD INSTALL arules_1.1-1.tar.gzThe "package not available" error can also be thrown if the package you’re trying to install lives elsewhere, either another R package site, or it’s been removed from CRAN. A quick Google search usually leads to more information on the package’s location and status.Oracle R Enterprise is not in the R library pathOn Linux hosts, after installing the ORE server components, starting R, and attempting to load the ORE packages, you may receive the error:R> library(ORE)Error in library(ORE) : there is no package called ‘ORE’If you know the ORE packages have been installed and you receive this error, this is the result of not starting R with the ORE script. To resolve this problem, exit R and restart using the ORE script. After restarting R and ">running the command to load the ORE packages, you should not receive any errors.$ ORER> library(ORE)On Windows servers, the solution is to make the location of the ORE packages visible to R by adding them to the R library paths. To accomplish this, exit R, then add the following lines to the .Rprofile file. On Windows, the .Rprofile file is located in R\etc directory C:\Program Files\R\R-<version>\etc. Add the following lines:.libPaths("<path to $ORACLE_HOME>/R/library")The above line will tell R to include the R directory in the Oracle home as part of its search path. When you start R, the path above will be included, and future R package installations will also be saved to $ORACLE_HOME/R/library. This path should be writable by the user oracle, or the userid for the DBA tasked with installing R packages.Binary package compiled with different version of RBy default, R will install pre-compiled versions of packages if they are found. If the version of R under which the package was compiled does not match your installed version of R you will get an error message:Warning message: package ‘xxx’ was built under R version 3.0.0The solution is to download the package source and build it for your version of R.$ wget http://cran.r-project.org/src/contrib/Archive/arules/arules_1.1-1.tar.gz$ R CMD INSTALL arules_1.1-1.tar.gzFor use with ORE:$ ORE CMD INSTALL arules_1.1-1.tar.gzUnable to execute files in /tmp directoryBy default, R uses the /tmp directory to install packages. On security conscious machines, the /tmp directory is often marked as "noexec" in the /etc/fstab file. This means that no file under /tmp can ever be executed, and users who attempt to install R package will receive an error:ERROR: 'configure' exists but is not executable -- see the 'R Installation and Administration Manual’The solution is to set the TMP and TMPDIR environment variables to a location which R will use as the compilation directory. For example:$ mkdir <some path>/tmp$ export TMPDIR= <some path>/tmp$ export TMP= <some path>/tmpThis error typically appears on Linux client machines and not database servers, as Oracle Database writes to the value of the TMP environment variable for several tasks, including holding temporary files during database installation. 7. Creating your own R packageCreating your own package and submitting to CRAN is for advanced users, but it is not difficult. The procedure to follow, along with details of R's package system, is detailed in the Writing R Extensions manual.

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• Postfix - suspend domain from which deferred status was received?

  - by Al Bundy

  Is there a possibility to make Postfix stop trying (for a period of time) to send emails to a domain from which it received a deferred response? Currently my Postfix goes through each address in the queue. Please see the below example. At 09:48:32 the status=deferred appears. After this Postfix should stop trying to send stuff to the yahoo.com domain. Jun 6 09:48:20 mailer postfix/smtp[8644]: C779A233C0: to=<[email protected]>, relay=mta7.am0.yahoodns.net[98.138.112.35]:25, delay=37163, delays=36519/638/1.2/4.9, dsn=2.0.0, status=sent (250 ok dirdel 5/0) Jun 6 09:48:20 mailer postfix/smtp[8644]: C779A233C0: to=<[email protected]>, relay=mta7.am0.yahoodns.net[98.138.112.35]:25, delay=37163, delays=36519/638/1.2/4.9, dsn=2.0.0, status=sent (250 ok dirdel 5/0) Jun 6 09:48:20 mailer postfix/smtp[8644]: C779A233C0: to=<[email protected]>, relay=mta7.am0.yahoodns.net[98.138.112.35]:25, delay=37163, delays=36519/638/1.2/4.9, dsn=2.0.0, status=sent (250 ok dirdel 5/0) Jun 6 09:48:30 mailer postfix/smtp[8643]: C779A233C0: to=<[email protected]>, relay=mta7.am0.yahoodns.net[63.250.192.46]:25, delay=37173, delays=36519/645/1.4/7.4, dsn=2.0.0, status=sent (250 ok dirdel 5/0) Jun 6 09:48:30 mailer postfix/smtp[8643]: C779A233C0: to=<[email protected]>, relay=mta7.am0.yahoodns.net[63.250.192.46]:25, delay=37173, delays=36519/645/1.4/7.4, dsn=2.0.0, status=sent (250 ok dirdel 5/0) Jun 6 09:48:30 mailer postfix/smtp[8643]: C779A233C0: to=<[email protected]>, relay=mta7.am0.yahoodns.net[63.250.192.46]:25, delay=37173, delays=36519/645/1.4/7.4, dsn=2.0.0, status=sent (250 ok dirdel 5/0) Jun 6 09:48:30 mailer postfix/smtp[8643]: C779A233C0: to=<[email protected]>, relay=mta7.am0.yahoodns.net[63.250.192.46]:25, delay=37173, delays=36519/645/1.4/7.4, dsn=2.0.0, status=sent (250 ok dirdel 5/0) Jun 6 09:48:30 mailer postfix/smtp[8643]: C779A233C0: to=<[email protected]>, relay=mta7.am0.yahoodns.net[63.250.192.46]:25, delay=37173, delays=36519/645/1.4/7.4, dsn=2.0.0, status=sent (250 ok dirdel 5/0) Jun 6 09:48:32 mailer postfix/smtp[8644]: C779A233C0: host mta6.am0.yahoodns.net[98.138.112.38] said: 421 4.7.0 [TS01] Messages from x.x.x.250 temporarily deferred due to user complaints - 4.16.55.1; see http://postmaster.yahoo.com/421-ts01.html (in reply to MAIL FROM command) Jun 6 09:48:32 mailer postfix/smtp[8644]: C779A233C0: lost connection with mta6.am0.yahoodns.net[98.138.112.38] while sending RCPT TO Jun 6 09:48:33 mailer postfix/smtp[8644]: C779A233C0: to=<[email protected]>, relay=mta7.am0.yahoodns.net[98.138.112.35]:25, delay=37176, delays=36519/655/2.5/0.18, dsn=4.7.0, status=deferred (host mta7.am0.yahoodns.net[98.138.112.35] said: 421 4.7.0 [TS01] Messages from x.x.x.250 temporarily deferred due to user complaints - 4.16.55.1; see http://postmaster.yahoo.com/421-ts01.html (in reply to MAIL FROM command)) Jun 6 09:48:33 mailer postfix/smtp[8644]: C779A233C0: to=<[email protected]>, relay=mta7.am0.yahoodns.net[98.138.112.35]:25, delay=37176, delays=36519/655/2.5/0.18, dsn=4.7.0, status=deferred (host mta7.am0.yahoodns.net[98.138.112.35] said: 421 4.7.0 [TS01] Messages from x.x.x.250 temporarily deferred due to user complaints - 4.16.55.1; see http://postmaster.yahoo.com/421-ts01.html (in reply to MAIL FROM command)) Jun 6 09:48:34 mailer postfix/smtp[8644]: C779A233C0: to=<[email protected]>, relay=mta7.am0.yahoodns.net[98.138.112.35]:25, delay=37176, delays=36519/655/2.5/0.18, dsn=4.7.0, status=deferred (host mta7.am0.yahoodns.net[98.138.112.35] said: 421 4.7.0 [TS01] Messages from x.x.x.250 temporarily deferred due to user complaints - 4.16.55.1; see http://postmaster.yahoo.com/421-ts01.html (in reply to MAIL FROM command)) Jun 6 09:48:34 mailer postfix/smtp[8644]: C779A233C0: to=<[email protected]>, relay=mta7.am0.yahoodns.net[98.138.112.35]:25, delay=37176, delays=36519/655/2.5/0.18, dsn=4.7.0, status=deferred (host mta7.am0.yahoodns.net[98.138.112.35] said: 421 4.7.0 [TS01] Messages from x.x.x.250 temporarily deferred due to user complaints - 4.16.55.1; see http://postmaster.yahoo.com/421-ts01.html (in reply to MAIL FROM command)) Jun 6 09:48:34 mailer postfix/smtp[8644]: C779A233C0: to=<[email protected]>, relay=mta7.am0.yahoodns.net[98.138.112.35]:25, delay=37176, delays=36519/655/2.5/0.18, dsn=4.7.0, status=deferred (host mta7.am0.yahoodns.net[98.138.112.35] said: 421 4.7.0 [TS01] Messages from x.x.x.250 temporarily deferred due to user complaints - 4.16.55.1; see http://postmaster.yahoo.com/421-ts01.html (in reply to MAIL FROM command)) Jun 6 09:48:34 mailer postfix/error[8661]: C779A233C0: to=<[email protected]>, relay=none, delay=37177, delays=36519/658/0/0.07, dsn=4.4.2, status=deferred (delivery temporarily suspended: lost connection with mta7.am0.yahoodns.net[98.138.112.35] while sending RCPT TO) Jun 6 09:48:34 mailer postfix/error[8661]: C779A233C0: to=<[email protected]>, relay=none, delay=37177, delays=36519/658/0/0.18, dsn=4.4.2, status=deferred (delivery temporarily suspended: lost connection with mta7.am0.yahoodns.net[98.138.112.35] while sending RCPT TO) Jun 6 09:48:34 mailer postfix/error[8661]: C779A233C0: to=<[email protected]>, relay=none, delay=37177, delays=36519/658/0/0.35, dsn=4.4.2, status=deferred (delivery temporarily suspended: lost connection with mta7.am0.yahoodns.net[98.138.112.35] while sending RCPT TO) Jun 6 09:48:34 mailer postfix/error[8661]: C779A233C0: to=<[email protected]>, relay=none, delay=37177, delays=36519/658/0/0.4, dsn=4.4.2, status=deferred (delivery temporarily suspended: lost connection with mta7.am0.yahoodns.net[98.138.112.35] while sending RCPT TO) Jun 6 09:48:34 mailer postfix/error[8661]: C779A233C0: to=<[email protected]>, relay=none, delay=37177, delays=36519/658/0/0.46, dsn=4.4.2, status=deferred (delivery temporarily suspended: lost connection with mta7.am0.yahoodns.net[98.138.112.35] while sending RCPT TO) Jun 6 09:48:35 mailer postfix/error[8661]: C779A233C0: to=<[email protected]>, relay=none, delay=37179, delays=36519/660/0/0.16, dsn=4.4.2, status=deferred (delivery temporarily suspended: lost connection with mta7.am0.yahoodns.net[98.138.112.35] while sending RCPT TO) Jun 6 09:48:35 mailer postfix/error[8661]: C779A233C0: to=<[email protected]>, relay=none, delay=37179, delays=36519/660/0/0.22, dsn=4.4.2, status=deferred (delivery temporarily suspended: lost connection with mta7.am0.yahoodns.net[98.138.112.35] while sending RCPT TO) Jun 6 09:48:36 mailer postfix/error[8661]: C779A233C0: to=<[email protected]>, relay=none, delay=37179, delays=36519/660/0/0.31, dsn=4.4.2, status=deferred (delivery temporarily suspended: lost connection with mta7.am0.yahoodns.net[98.138.112.35] while sending RCPT TO) Jun 6 09:48:36 mailer postfix/error[8661]: C779A233C0: to=<[email protected]>, relay=none, delay=37179, delays=36519/660/0/0.36, dsn=4.4.2, status=deferred (delivery temporarily suspended: lost connection with mta7.am0.yahoodns.net[98.138.112.35] while sending RCPT TO)

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• Cant access a remote server due mistake by setting firewall rule

  - by LMIT

  I need help due a my silly mistake! So for long time i have a dedicate server hosted by register.it Usually i access remotly to this server (Windows 2008 server) by Terminal Server. Today i wanted to block one site that continually send request to my server. So i was adding a new rule in the firewall (the native firewall on windows 2008 server), as i did many time, but this time, probably i was sleeping with my brain i add a general rules that stop everything! So i cant access to the server anymore, as no any users can browse the sites, nothing is working because this rule block everything. I know that is a silly mistake, no need to tell me :) so please what i can do ? The only 1 thing that my provider let me is reboot the server by his control panel, but this not help me in any way because the firewall block me again. i have administrator username and password, so what i really can do ? there are some trick some tecnique, some expert guru that can help me in this very bad situation ? UPDATE i follow the Tony suggest and i did a NMAP to check if some ports are open but look like all closed: NMAP RESULT Starting Nmap 6.00 ( http://nmap.org ) at 2012-05-29 22:32 W. Europe Daylight Time NSE: Loaded 93 scripts for scanning. NSE: Script Pre-scanning. Initiating Parallel DNS resolution of 1 host. at 22:32 Completed Parallel DNS resolution of 1 host. at 22:33, 13.00s elapsed Initiating SYN Stealth Scan at 22:33 Scanning xxx.xxx.xxx.xxx [1000 ports] SYN Stealth Scan Timing: About 29.00% done; ETC: 22:34 (0:01:16 remaining) SYN Stealth Scan Timing: About 58.00% done; ETC: 22:34 (0:00:44 remaining) Completed SYN Stealth Scan at 22:34, 104.39s elapsed (1000 total ports) Initiating Service scan at 22:34 Initiating OS detection (try #1) against xxx.xxx.xxx.xxx Retrying OS detection (try #2) against xxx.xxx.xxx.xxx Initiating Traceroute at 22:34 Completed Traceroute at 22:35, 6.27s elapsed Initiating Parallel DNS resolution of 11 hosts. at 22:35 Completed Parallel DNS resolution of 11 hosts. at 22:35, 13.00s elapsed NSE: Script scanning xxx.xxx.xxx.xxx. Initiating NSE at 22:35 Completed NSE at 22:35, 0.00s elapsed Nmap scan report for xxx.xxx.xxx.xxx Host is up. All 1000 scanned ports on xxx.xxx.xxx.xxx are filtered Too many fingerprints match this host to give specific OS details TRACEROUTE (using proto 1/icmp) HOP RTT ADDRESS 1 ... ... ... 13 ... 30 NSE: Script Post-scanning. Read data files from: D:\Program Files\Nmap OS and Service detection performed. Please report any incorrect results at http://nmap.org/submit/ . Nmap done: 1 IP address (1 host up) scanned in 145.08 seconds Raw packets sent: 2116 (96.576KB) | Rcvd: 61 (4.082KB) Question: The provider locally can access by username and password ?

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• Cisco ASA - Enable communication between same security level

  - by Conor

  I have recently inherited a network with a Cisco ASA (running version 8.2). I am trying to configure it to allow communication between two interfaces configured with the same security level (DMZ-DMZ) "same-security-traffic permit inter-interface" has been set, but hosts are unable to communicate between the interfaces. I am assuming that some NAT settings are causing my issue. Below is my running config: ASA Version 8.2(3) ! hostname asa enable password XXXXXXXX encrypted passwd XXXXXXXX encrypted names ! interface Ethernet0/0 switchport access vlan 400 ! interface Ethernet0/1 switchport access vlan 400 ! interface Ethernet0/2 switchport access vlan 420 ! interface Ethernet0/3 switchport access vlan 420 ! interface Ethernet0/4 switchport access vlan 450 ! interface Ethernet0/5 switchport access vlan 450 ! interface Ethernet0/6 switchport access vlan 500 ! interface Ethernet0/7 switchport access vlan 500 ! interface Vlan400 nameif outside security-level 0 ip address XX.XX.XX.10 255.255.255.248 ! interface Vlan420 nameif public security-level 20 ip address 192.168.20.1 255.255.255.0 ! interface Vlan450 nameif dmz security-level 50 ip address 192.168.10.1 255.255.255.0 ! interface Vlan500 nameif inside security-level 100 ip address 192.168.0.1 255.255.255.0 ! ftp mode passive clock timezone JST 9 same-security-traffic permit inter-interface same-security-traffic permit intra-interface object-group network DM_INLINE_NETWORK_1 network-object host XX.XX.XX.11 network-object host XX.XX.XX.13 object-group service ssh_2220 tcp port-object eq 2220 object-group service ssh_2251 tcp port-object eq 2251 object-group service ssh_2229 tcp port-object eq 2229 object-group service ssh_2210 tcp port-object eq 2210 object-group service DM_INLINE_TCP_1 tcp group-object ssh_2210 group-object ssh_2220 object-group service zabbix tcp port-object range 10050 10051 object-group service DM_INLINE_TCP_2 tcp port-object eq www group-object zabbix object-group protocol TCPUDP protocol-object udp protocol-object tcp object-group service http_8029 tcp port-object eq 8029 object-group network DM_INLINE_NETWORK_2 network-object host 192.168.20.10 network-object host 192.168.20.30 network-object host 192.168.20.60 object-group service imaps_993 tcp description Secure IMAP port-object eq 993 object-group service public_wifi_group description Service allowed on the Public Wifi Group. Allows Web and Email. service-object tcp-udp eq domain service-object tcp-udp eq www service-object tcp eq https service-object tcp-udp eq 993 service-object tcp eq imap4 service-object tcp eq 587 service-object tcp eq pop3 service-object tcp eq smtp access-list outside_access_in remark http traffic from outside access-list outside_access_in extended permit tcp any object-group DM_INLINE_NETWORK_1 eq www access-list outside_access_in remark ssh from outside to web1 access-list outside_access_in extended permit tcp any host XX.XX.XX.11 object-group ssh_2251 access-list outside_access_in remark ssh from outside to penguin access-list outside_access_in extended permit tcp any host XX.XX.XX.10 object-group ssh_2229 access-list outside_access_in remark http from outside to penguin access-list outside_access_in extended permit tcp any host XX.XX.XX.10 object-group http_8029 access-list outside_access_in remark ssh from outside to internal hosts access-list outside_access_in extended permit tcp any host XX.XX.XX.13 object-group DM_INLINE_TCP_1 access-list outside_access_in remark dns service to internal host access-list outside_access_in extended permit object-group TCPUDP any host XX.XX.XX.13 eq domain access-list dmz_access_in extended permit ip 192.168.10.0 255.255.255.0 any access-list dmz_access_in extended permit tcp any host 192.168.10.29 object-group DM_INLINE_TCP_2 access-list public_access_in remark Web access to DMZ websites access-list public_access_in extended permit object-group TCPUDP any object-group DM_INLINE_NETWORK_2 eq www access-list public_access_in remark General web access. (HTTP, DNS & ICMP and Email) access-list public_access_in extended permit object-group public_wifi_group any any pager lines 24 logging enable logging asdm informational mtu outside 1500 mtu public 1500 mtu dmz 1500 mtu inside 1500 no failover icmp unreachable rate-limit 1 burst-size 1 no asdm history enable arp timeout 60 global (outside) 1 interface global (dmz) 2 interface nat (public) 1 0.0.0.0 0.0.0.0 nat (dmz) 1 0.0.0.0 0.0.0.0 nat (inside) 1 0.0.0.0 0.0.0.0 static (inside,outside) tcp interface 2229 192.168.0.29 2229 netmask 255.255.255.255 static (inside,outside) tcp interface 8029 192.168.0.29 www netmask 255.255.255.255 static (dmz,outside) XX.XX.XX.13 192.168.10.10 netmask 255.255.255.255 dns static (dmz,outside) XX.XX.XX.11 192.168.10.30 netmask 255.255.255.255 dns static (dmz,inside) 192.168.0.29 192.168.10.29 netmask 255.255.255.255 static (dmz,public) 192.168.20.30 192.168.10.30 netmask 255.255.255.255 dns static (dmz,public) 192.168.20.10 192.168.10.10 netmask 255.255.255.255 dns static (inside,dmz) 192.168.10.0 192.168.0.0 netmask 255.255.255.0 dns access-group outside_access_in in interface outside access-group public_access_in in interface public access-group dmz_access_in in interface dmz route outside 0.0.0.0 0.0.0.0 XX.XX.XX.9 1 timeout xlate 3:00:00 timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02 timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00 timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00 timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute timeout tcp-proxy-reassembly 0:01:00 dynamic-access-policy-record DfltAccessPolicy http server enable http 192.168.0.0 255.255.255.0 inside no snmp-server location no snmp-server contact snmp-server enable traps snmp authentication linkup linkdown coldstart crypto ipsec security-association lifetime seconds 28800 crypto ipsec security-association lifetime kilobytes 4608000 telnet timeout 5 ssh 192.168.0.0 255.255.255.0 inside ssh timeout 20 console timeout 0 dhcpd dns 61.122.112.97 61.122.112.1 dhcpd auto_config outside ! dhcpd address 192.168.20.200-192.168.20.254 public dhcpd enable public ! dhcpd address 192.168.0.200-192.168.0.254 inside dhcpd enable inside ! threat-detection basic-threat threat-detection statistics host threat-detection statistics access-list no threat-detection statistics tcp-intercept ntp server 130.54.208.201 source public webvpn ! class-map inspection_default match default-inspection-traffic ! ! policy-map type inspect dns preset_dns_map parameters message-length maximum client auto message-length maximum 512 policy-map global_policy class inspection_default inspect dns preset_dns_map inspect ftp inspect h323 h225 inspect h323 ras inspect ip-options inspect netbios inspect rsh inspect rtsp inspect skinny inspect esmtp inspect sqlnet inspect sunrpc inspect tftp inspect sip inspect xdmcp !

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• Xen DomU on DRBD device: barrier errors

  - by Halfgaar

  I'm testing setting up a Xen DomU with a DRBD storage for easy failover. Most of the time, immediatly after booting the DomU, I get an IO error: [ 3.153370] EXT3-fs (xvda2): using internal journal [ 3.277115] ip_tables: (C) 2000-2006 Netfilter Core Team [ 3.336014] nf_conntrack version 0.5.0 (3899 buckets, 15596 max) [ 3.515604] init: failsafe main process (397) killed by TERM signal [ 3.801589] blkfront: barrier: write xvda2 op failed [ 3.801597] blkfront: xvda2: barrier or flush: disabled [ 3.801611] end_request: I/O error, dev xvda2, sector 52171168 [ 3.801630] end_request: I/O error, dev xvda2, sector 52171168 [ 3.801642] Buffer I/O error on device xvda2, logical block 6521396 [ 3.801652] lost page write due to I/O error on xvda2 [ 3.801755] Aborting journal on device xvda2. [ 3.804415] EXT3-fs (xvda2): error: ext3_journal_start_sb: Detected aborted journal [ 3.804434] EXT3-fs (xvda2): error: remounting filesystem read-only [ 3.814754] journal commit I/O error [ 6.973831] init: udev-fallback-graphics main process (538) terminated with status 1 [ 6.992267] init: plymouth-splash main process (546) terminated with status 1 The manpage of drbdsetup says that LVM (which I use) doesn't support barriers (better known as tagged command queuing or native command queing), so I configured the drbd device not to use barriers. This can be seen in /proc/drbd (by "wo:f, meaning flush, the next method drbd chooses after barrier): 3: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r---- ns:2160152 nr:520204 dw:2680344 dr:2678107 al:3549 bm:9183 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:0 And on the other host: 3: cs:Connected ro:Secondary/Primary ds:UpToDate/UpToDate C r---- ns:0 nr:2160152 dw:2160152 dr:0 al:0 bm:8052 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:0 I also enabled the option disable_sendpage, as per the drbd docs: cat /sys/module/drbd/parameters/disable_sendpage Y I also tried adding barriers=0 to fstab as mount option. Still it sometimes says: [ 58.603896] blkfront: barrier: write xvda2 op failed [ 58.603903] blkfront: xvda2: barrier or flush: disabled I don't even know if ext3 has a nobarrier option. And, because only one of my storage systems is battery backed, it would not be smart anyway. Why does it still compain about barriers when I disabled that? Both host are: Debian: 6.0.4 uname -a: Linux 2.6.32-5-xen-amd64 drbd: 8.3.7 Xen: 4.0.1 Guest: Ubuntu 12.04 LTS uname -a: Linux 3.2.0-24-generic pvops drbd resource: resource drbdvm { meta-disk internal; device /dev/drbd3; startup { # The timeout value when the last known state of the other side was available. 0 means infinite. wfc-timeout 0; # Timeout value when the last known state was disconnected. 0 means infinite. degr-wfc-timeout 180; } syncer { # This is recommended only for low-bandwidth lines, to only send those # blocks which really have changed. #csums-alg md5; # Set to about half your net speed rate 60M; # It seems that this option moved to the 'net' section in drbd 8.4. (later release than Debian has currently) verify-alg md5; } net { # The manpage says this is recommended only in pre-production (because of its performance), to determine # if your LAN card has a TCP checksum offloading bug. #data-integrity-alg md5; } disk { # Detach causes the device to work over-the-network-only after the # underlying disk fails. Detach is not default for historical reasons, but is # recommended by the docs. # However, the Debian defaults in drbd.conf suggest the machine will reboot in that event... on-io-error detach; # LVM doesn't support barriers, so disabling it. It will revert to flush. Check wo: in /proc/drbd. If you don't disable it, you get IO errors. no-disk-barrier; } on host1 { # universe is a VG disk /dev/universe/drbdvm-disk; address 10.0.0.1:7792; } on host2 { # universe is a VG disk /dev/universe/drbdvm-disk; address 10.0.0.2:7792; } } DomU cfg: bootloader = '/usr/lib/xen-default/bin/pygrub' vcpus = '2' memory = '512' # # Disk device(s). # root = '/dev/xvda2 ro' disk = [ 'phy:/dev/drbd3,xvda2,w', 'phy:/dev/universe/drbdvm-swap,xvda1,w', ] # # Hostname # name = 'drbdvm' # # Networking # # fake IP for posting vif = [ 'ip=1.2.3.4,mac=00:16:3E:22:A8:A7' ] # # Behaviour # on_poweroff = 'destroy' on_reboot = 'restart' on_crash = 'restart' In my test setup: the primary host's storage is 9650SE SATA-II RAID PCIe with battery. The secondary is software RAID1. Isn't DRBD+Xen widely used? With these problems, it's not going to work.

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• Application Event Log keeps getting corrupted

  - by yakatz

  I recently asked about repairing a corrupt event log, because it seemed to be a one-off event. The event log has since exhibited the same behavior 3 times. We have been trying to find patterns, but so far we have found nothing. The server runs several ASP.NET applications and three scheduled tasks written in .NET. The last modified date of the event log once happened to be the same time as one of the scheduled tasks, but the others have not been. Any suggestions of where to look next or a way we can get any information out of a corrupt evtx file? The server is running critical e-commerce applications, so we want to keep the number of restarts required to a minimum. Edit: I ran DUMPEL and got very strange results. 1/9/2012 4:14:05 PM 1 100 1000 Application Error N/A SERVERNAME Faulting application name: w3wp.exe, version: 7.5.7601.17514, time stamp: 0x4ce7a5f8 Faulting module name: ntdll.dll, version: 6.1.7601.17514, time stamp: 0x4ce7ba58 Exception code: 0xc0000374 Fault offset: 0x000ce653 Faulting process id: 0x1070 Faulting application start time: 0x01cccf1386d30991 Faulting application path: C:\Windows\SysWOW64\inetsrv\w3wp.exe Faulting module path: C:\Windows\SysWOW64\ntdll.dll Report Id: dbf4f691-3b06-11e1-9025-005056a602e6 1/9/2012 4:14:07 PM 4 0 1001 Windows Error Reporting N/A SERVERNAME Fault bucket , type 0 Event Name: APPCRASH Response: Not available Cab Id: 0 Problem signature: P1: w3wp.exe P2: 7.5.7601.17514 P3: 4ce7a5f8 P4: StackHash_79d9 P5: 6.1.7601.17514 P6: 4ce7ba58 P7: c0000374 P8: 000ce653 P9: P10: Attached files: C:\Windows\Temp\WER975.tmp.appcompat.txt C:\Windows\Temp\WERA03.tmp.WERInternalMetadata.xml C:\Windows\Temp\WERA13.tmp.hdmp C:\Windows\Temp\WERD21.tmp.mdmp These files may be available here: C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_w3wp.exe_cd7d09dfc84119d82a2ac6a789038bd5661acfb_cab_128f0e67 Analysis symbol: Rechecking for solution: 0 Report Id: dbf4f691-3b06-11e1-9025-005056a602e6 Report Status: 4 1/9/2012 4:14:07 PM 4 0 1001 Windows Error Reporting N/A SERVERNAME Fault bucket , type 0 Event Name: APPCRASH Response: Not available Cab Id: 0 Problem signature: P1: w3wp.exe P2: 7.5.7601.17514 P3: 4ce7a5f8 P4: StackHash_79d9 P5: 6.1.7601.17514 P6: 4ce7ba58 P7: c0000374 P8: 000ce653 P9: P10: Attached files: C:\Windows\Temp\WER975.tmp.appcompat.txt C:\Windows\Temp\WERA03.tmp.WERInternalMetadata.xml C:\Windows\Temp\WERA13.tmp.hdmp C:\Windows\Temp\WERD21.tmp.mdmp These files may be available here: C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_w3wp.exe_cd7d09dfc84119d82a2ac6a789038bd5661acfb_cab_128f0e67 Analysis symbol: Rechecking for solution: 0 Report Id: dbf4f691-3b06-11e1-9025-005056a602e6 Report Status: 0 1/9/2012 4:14:12 PM 1 100 1000 Application Error N/A SERVERNAME Faulting application name: w3wp.exe, version: 7.5.7601.17514, time stamp: 0x4ce7a5f8 Faulting module name: ntdll.dll, version: 6.1.7601.17514, time stamp: 0x4ce7ba58 Exception code: 0xc0000374 Fault offset: 0x000ce653 Faulting process id: 0x16ac Faulting application start time: 0x01cccf139f475c0c Faulting application path: C:\Windows\SysWOW64\inetsrv\w3wp.exe Faulting module path: C:\Windows\SysWOW64\ntdll.dll Report Id: e03bae70-3b06-11e1-9025-005056a602e6 1/9/2012 4:14:16 PM 4 0 1001 Windows Error Reporting N/A SERVERNAME Fault bucket , type 0 Event Name: APPCRASH Response: Not available Cab Id: 0 Problem signature: P1: w3wp.exe P2: 7.5.7601.17514 P3: 4ce7a5f8 P4: StackHash_9c6c P5: 6.1.7601.17514 P6: 4ce7ba58 P7: c0000374 P8: 000ce653 P9: P10: Attached files: C:\Windows\Temp\WER2579.tmp.appcompat.txt C:\Windows\Temp\WER25F7.tmp.WERInternalMetadata.xml C:\Windows\Temp\WER25F8.tmp.hdmp C:\Windows\Temp\WER28F6.tmp.mdmp These files may be available here: C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_w3wp.exe_c49a67649524ad11b64bbf809211bc5ba742a3d6_cab_0b63321b Analysis symbol: Rechecking for solution: 0 Report Id: e03bae70-3b06-11e1-9025-005056a602e6 Report Status: 4 1/9/2012 4:14:16 PM 4 0 1001 Windows Error Reporting N/A SERVERNAME Fault bucket , type 0 Event Name: APPCRASH Response: Not available Cab Id: 0 Problem signature: P1: w3wp.exe P2: 7.5.7601.17514 P3: 4ce7a5f8 P4: StackHash_9c6c P5: 6.1.7601.17514 P6: 4ce7ba58 P7: c0000374 P8: 000ce653 P9: P10: Attached files: C:\Windows\Temp\WER2579.tmp.appcompat.txt C:\Windows\Temp\WER25F7.tmp.WERInternalMetadata.xml C:\Windows\Temp\WER25F8.tmp.hdmp C:\Windows\Temp\WER28F6.tmp.mdmp These files may be available here: C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_w3wp.exe_c49a67649524ad11b64bbf809211bc5ba742a3d6_cab_0b63321b Analysis symbol: Rechecking for solution: 0 Report Id: e03bae70-3b06-11e1-9025-005056a602e6 Report Status: 0 1/9/2012 4:14:21 PM 1 100 1000 Application Error N/A SERVERNAME Faulting application name: w3wp.exe, version: 7.5.7601.17514, time stamp: 0x4ce7a5f8 Faulting module name: ntdll.dll, version: 6.1.7601.17514, time stamp: 0x4ce7ba58 Exception code: 0xc0000374 Fault offset: 0x000ce653 Faulting process id: 0x17f8 Faulting application start time: 0x01cccf13a4ba5126 Faulting application path: C:\Windows\SysWOW64\inetsrv\w3wp.exe Faulting module path: C:\Windows\SysWOW64\ntdll.dll Report Id: e57a0a85-3b06-11e1-9025-005056a602e6 1/9/2012 4:14:21 PM 4 0 1001 Windows Error Reporting N/A SERVERNAME Fault bucket , type 0 Event Name: APPCRASH Response: Not available Cab Id: 0 Problem signature: P1: w3wp.exe P2: 7.5.7601.17514 P3: 4ce7a5f8 P4: StackHash_9c6c P5: 6.1.7601.17514 P6: 4ce7ba58 P7: c0000374 P8: 000ce653 P9: P10: Attached files: These files may be available here: C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_w3wp.exe_c49a67649524ad11b64bbf809211bc5ba742a3d6_1cfb4872 Analysis symbol: Rechecking for solution: 0 Report Id: e57a0a85-3b06-11e1-9025-005056a602e6 Report Status: 4 1/9/2012 4:14:21 PM 4 0 1001 Windows Error Reporting N/A SERVERNAME Fault bucket , type 0 Event Name: APPCRASH Response: Not available Cab Id: 0 Problem signature: P1: w3wp.exe P2: 7.5.7601.17514 P3: 4ce7a5f8 P4: StackHash_9c6c P5: 6.1.7601.17514 P6: 4ce7ba58 P7: c0000374 P8: 000ce653 P9: P10: Attached files: These files may be available here: C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_w3wp.exe_c49a67649524ad11b64bbf809211bc5ba742a3d6_1cfb4872 Analysis symbol: Rechecking for solution: 0 Report Id: e57a0a85-3b06-11e1-9025-005056a602e6 Report Status: 0 None of the files referenced actually exist (not even in WER ReportArchive). These should not be the only events mentioned. The log file has been cleared twice since January 9, so those events should not even be listed at all.

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• Wireless internet connection connects but internet does not work (no packets received). Wired does.

  - by Rodney

  When I connect my PC via ethernet cable to my ADSL router it works fine. When I connect via Wireless it connects and the internet will work for a random amount of time and then stop working. It stays connected with a strong signal but no packets are received. My laptop/iphone are right next to it and wireless works fine. If I open the Wireless USB status, it says it is connected to my SSID with full strength (54 mps - I am 3 meteres away from my router) and the activty shows as Packets 594 SENT and 105 RECEIVED (this goes up VERY slowly) I have tried the following: Turned off anitvirus and firewall completely. Tested the wifi signal- I am writing this on my laptop which is next to my PC and also has full wifi strength. Tried a different wireless adapter - I dug out an old PCI wireless card - it does the exact same thing. Compared all wireless settings to my laptop. I can ping google.com and it replies (sometimes with packet loss) When I reboot the PC it will connect for a minute or two (random time) and then just stops again. I tried Firefox, IE etc. no joy I have updated all latest versions (Netgear WG111v2) and drivers Checked Event Log - nothing unusual Ping the router (and even connect as admin for the few minutes when the internet does work) Changed the MTU down to 1200 using DrTCP Checked Device Manager for conflicts - none. I ping the router from the PC (192.168.0.10 - 192.168.0.1) and it replies with 4 packets. BUT, on my router admin page (which I access via http on my laptop wirelessly) - if I ping 192.168.0.10 all packets timeout (pinging my laptop 192.168.0.12 works fine) My router admin page shows the leased IP address for 192.168.0.10 (ie it is definitely talking to the router initially) Now I am out of ideas - please help. I think it is an OS/Software issue as I have tried 2 different wireless adapaters (PCI and USB) with the same result but all other wireless devices work fine around mine). It's not the firewall. It is getting assigned an IP address correctly (my PC gets 192.168.0.10, my laptop is .12) It is assigned by DHCP. As soon as I plug in the ethernet cable it all works fine. Repairing the adapter sometimes helps but it will always stop working after a random time. The wireless adapter always shows as connected with Excellent signal but the internet does not work. I am running Windows XP SP3 and have tried a Netgear WG111v2 USB adapter. Thanks in advance! UPDATE: The internet seems to be working, it is just either sending packets too small or slow to work (some small pages load bits of them very slowly but then hang). XP seems to have a networking diagnostic app - here is the output: Last diagnostic run time: 08/30/10 08:16:38 IP Configuration Diagnostic Invalid IP address info Valid IP address detected: 192.168.0.10 IP Layer Diagnostic Corrupted IP routing table info The default route is valid info The loopback route is valid info The local host route is valid info The local subnet route is valid Invalid ARP cache entries action The ARP cache has been flushed Gateway Diagnostic Gateway info The following proxy configuration is being used by IE: Automatically Detect Settings:Disabled Automatic Configuration Script: Proxy Server: Proxy Bypass list: info This computer has the following default gateway entry(ies): 192.168.0.1 info This computer has the following IP address(es): 192.168.0.10 info The default gateway is in the same subnet as this computer info The default gateway entry is a valid unicast address info The default gateway address was resolved via ARP in 1 try(ies) info The default gateway was reached via ICMP Ping in 1 try(ies) info TCP port 80 on host 65.55.12.249 was successfully reached info The Internet host www.microsoft.com was successfully reached info The default gateway is OK DNS Client Diagnostic DNS - Not a home user scenario info Using Web Proxy: no info Resolving name ok for (www.microsoft.com): yes No DNS servers DNS failure HTTP, HTTPS, FTP Diagnostic HTTP, HTTPS, FTP connectivity info FTP (Passive): Successfully connected to ftp.microsoft.com. info HTTP: Successfully connected to www.microsoft.com. warn HTTPS: Error 12002 connecting to www.microsoft.com: The operation timed out warn HTTPS: Error 12002 connecting to www.passport.net: The operation timed out error Could not make an HTTPS connection. info Redirecting user to support call WinSock Diagnostic WinSock status info All base service provider entries are present in the Winsock catalog. info The Winsock Service provider chains are valid. info Provider entry MSAFD Tcpip [TCP/IP] passed the loopback communication test. info Provider entry MSAFD Tcpip [UDP/IP] passed the loopback communication test. info Provider entry RSVP UDP Service Provider passed the loopback communication test. info Provider entry RSVP TCP Service Provider passed the loopback communication test. info Connectivity is valid for all Winsock service providers. Wireless Diagnostic Wireless - Service disabled Wireless - User SSID action User input required: Specify network name or SSID Wireless - First time setup info The Wireless Network name (SSID) to which the user would like to connect = RodSof Wifi. Wireless - Radio off info Valid IP address detected: 192.168.0.10 Wireless - Out of range Wireless - Hardware issue Wireless - Novice user Wireless - Ad-hoc network Wireless - Less preferred Wireless - 802.1x enabled Wireless - Configuration mismatch Wireless - Low SNR Network Adapter Diagnostic Network location detection info Using home Internet connection Network adapter identification info Network connection: Name=Local Area Connection 2, Device=Realtek RTL8168C(P)/8111C(P) PCI-E Gigabit Ethernet NIC, MediaType=LAN, SubMediaType=LAN info Network connection: Name=Wireless USB, Device=NETGEAR WG111v2 54Mbps Wireless USB 2.0 Adapter, MediaType=LAN, SubMediaType=WIRELESS info Both Ethernet and Wireless connections available, prompting user for selection action User input required: Select network connection info Wireless connection selected Network adapter status info Network connection status: Connected HTTP, HTTPS, FTP Diagnostic HTTP, HTTPS, FTP connectivity info FTP (Active): Successfully connected to ftp.microsoft.com. warn HTTP: Error 12007 connecting to www.microsoft.com: The server name or address could not be resolved warn HTTP: Error 12002 connecting to www.hotmail.com: The operation timed out warn HTTPS: Error 12002 connecting to www.passport.net: The operation timed out warn HTTPS: Error 12002 connecting to www.microsoft.com: The operation timed out error Could not make an HTTP connection. error Could not make an HTTPS connection.

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• Automatically detect faces in a picture

  - by abel

  At my work place, passport sized photographs are scanned together, then cut up into individual pictures and saved with unique file numbers. Currently we use Paint.net to manually select, cut and save the pictures. I have seen Sony's Cybershot Camera has face detection. Google also gives me something about iphoto when searching for face detection. Picasa has facedetection too. Are there any ways to autodetect the faces in a document, which would improve productivity at my workplace by reducing the time needed to cut up individual images. Sample Scanned Document(A real document has 5 rows of 4 images each=20 pics): (from: http://www.memorykeeperphoto.com/images/passport_photo.jpg, fairuse) For eg. In Picasa 3.8, On clicking View People, all the faces are shown and I am asked to name them, can I save these individual pictures automatically with the names as different pictures.

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• System user authentication via web interface [closed]

  - by donodarazao

  Background: We have one pretty slow and expensive satellite Internet connection that is shared in a network with 5-50 users. To limit traffic, users shall pay a certain sum of money per hour. Routing and traffic accounting on user basis is done by a opensuse 10.3 server. Login is done via pppoe, and for each connection, username, bytes_sent, bytes_rcvd, start_time, end_time,etc are written into a mysql database. Now it was decided that we want to change from time-based to volume-based pricing. As the original developer who installed the system a couple of years ago isn't available, I'm trying to do the changes. Although I'm absolutely new to all this, there is some progress. However, there's one point I'm absolutely stuck. Up to now, only administrators can access connection details and billing information via a web interface. But as volume-based prices are less transparent to users than time-based prices, it is essential that users themselves can check their connections and how much they cost via the web interface. For this, we need some kind of user authentication. Actual question: How to develop such a user authentication? Every user has a linux system user account. With this user name and password, connection to the pppoe-server is made by the client machines. I thought about two possibles ways to authenticate users: First possibility: Users type username and password in a form. This is then somehow checked. We already have to possibilities to change passwords via the web interface. Here are parts of the code: Part of the Perl script the homepage is linked to: #!/usr/bin/perl use CGI; use CGI::Carp qw(fatalsToBrowser); use lib '../lib'; use own_perl_module; my @error; my $data; $query = new CGI; $username = $query->param('username') || ''; $oldpasswd = $query->param('oldpasswd') || ''; $passwd = $query->param('passwd') || ''; $passwd2 = $query->param('passwd2') || ''; own_perl_module::connect(); if ($query->param('submit')) { my $benutzer = own_perl_module::select_benutzer(username => $username) or push @error, "user not exists"; push @error, "your password?!?" unless $passwd; unless (@error) { own_perl_module::update_benutzer($benutzer->{id}, { oldpasswd => $oldpasswd, passwd => $passwd, passwd2 => $passwd2 }, error => \@error) and push @error, "Password changed."; } } Here's part of the sub update_benutzer in the own_perl_module: if ($dat-{passwd} ne '') { my $username = $dat-{username} || $select-{username}; my $system = "./chpasswd.pl '$username' '$dat-{passwd}'" . (defined($dat-{oldpasswd}) ? " '$dat-{oldpasswd}'" : undef); my $answer = $system; if ($? != 0) { chomp($answer); push @$error, $answer || "error changing password ($?)"; Here's chpasswd.pl: #!/usr/bin/perl use FileHandle; use IPC::Open3; local $username = shift; local $passwd = shift; local $oldpasswd = shift; local $chat = { 'Old Password: $' => sub { print POUT "$oldpasswd\n"; }, 'New password: $' => sub { print POUT "$passwd\n"; }, 'Re-enter new password: $' => sub { print POUT "$passwd\n"; }, '(.*)\n$' => sub { print "$1\n"; exit 1; } }; local $/ = \1; my $command; if (defined($oldpasswd)) { $command = "sudo -u '$username' /usr/bin/passwd"; } else { $command = "sudo /usr/bin/passwd '$username'"; } $pid = open3(\*POUT, \*PIN, \*PERR, $command) or die; my $buffer; LOOP: while($_ = <PERR>) { $buffer .= $_; foreach (keys(%$chat)) { if ($buffer =~ /$_/i) { $buffer = undef; &{$chat->{$_}}; } } } exit; Could this somehow be adjusted to verify users, but not changing user passwords? The second possibility I see: all pppoe connections are logged in the mysql database. If I could somehow retrieve the username (or uid) of the user connected by pppoe, this could be used to authenticate users. Users could only check their internet connections and costs when they are online (and thus paying money), but this could be tolerated. Here's a line of the script that inserts connections into the database: my $username = $ENV{PEERNAME}; I thought it would be easy to use this variable, but $username seems to be always empty in test-scripts (print $username). Any idea how to retrieve the user connected to the pppoe server? Sorry for the long question! Any help would be very much appreciated. :)

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• My BrowserHelperObject is detected by avg as a malware, what is going wrong.

  - by BHOdevelopper

  Hi i'm building a BrowserHelperObject in c++ for Internet Explorer 8. It is a friendly add-on that gives you fonctionalities in a sidebar. The thing is that when you download the add-on executable from the web, AVG (AntiVirusGuard) detects the executable file as a malware. I did a lot of research and i can't find a way to not being seen as a bad malware. I know that BrowserHelperObject are often seen as malware, but mine is just a good and friendly add-on. Does anyone as info on how antivirus detection works and what can i do to prevent being seen as a malware. What has to be done to the BHO to pass avg detection ? Thank you.

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• cmake doesn't work in windows XP

  - by Runner

  I'm new with cmake,just installed it and following this article: http://www.cs.swarthmore.edu/~adanner/tips/cmake.php D:\Works\c\cmake\build>cmake .. -- Building for: NMake Makefiles CMake Warning at CMakeLists.txt:2 (project): To use the NMake generator, cmake must be run from a shell that can use the compiler cl from the command line. This environment does not contain INCLUDE, LIB, or LIBPATH, and these must be set for the cl compiler to work. -- The C compiler identification is unknown -- The CXX compiler identification is unknown CMake Warning at D:/Tools/CMake 2.8/share/cmake-2.8/Modules/Platform/Windows-cl.cmake:32 (ENABLE_LANGUAGE): To use the NMake generator, cmake must be run from a shell that can use the compiler cl from the command line. This environment does not contain INCLUDE, LIB, or LIBPATH, and these must be set for the cl compiler to work. Call Stack (most recent call first): D:/Tools/CMake 2.8/share/cmake-2.8/Modules/CMakeCInformation.cmake:58 (INCLUDE) CMakeLists.txt:2 (project) CMake Error: your RC compiler: "CMAKE_RC_COMPILER-NOTFOUND" was not found. Please set CMAKE_RC_COMPILER to a valid compiler path or name. -- Check for CL compiler version -- Check for CL compiler version - failed -- Check if this is a free VC compiler -- Check if this is a free VC compiler - yes -- Using FREE VC TOOLS, NO DEBUG available -- Check for working C compiler: cl CMake Warning at CMakeLists.txt:2 (PROJECT): To use the NMake generator, cmake must be run from a shell that can use the compiler cl from the command line. This environment does not contain INCLUDE, LIB, or LIBPATH, and these must be set for the cl compiler to work. CMake Warning at D:/Tools/CMake 2.8/share/cmake-2.8/Modules/Platform/Windows-cl.cmake:32 (ENABLE_LANGUAGE): To use the NMake generator, cmake must be run from a shell that can use the compiler cl from the command line. This environment does not contain INCLUDE, LIB, or LIBPATH, and these must be set for the cl compiler to work. Call Stack (most recent call first): D:/Tools/CMake 2.8/share/cmake-2.8/Modules/CMakeCInformation.cmake:58 (INCLUDE) CMakeLists.txt:2 (PROJECT) CMake Error at D:/Tools/CMake 2.8/share/cmake-2.8/Modules/CMakeRCInformation.cmake:22 (GET_FILENAME_COMPONENT): get_filename_component called with incorrect number of arguments Call Stack (most recent call first): D:/Tools/CMake 2.8/share/cmake-2.8/Modules/Platform/Windows-cl.cmake:32 (ENABLE_LANGUAGE) D:/Tools/CMake 2.8/share/cmake-2.8/Modules/CMakeCInformation.cmake:58 (INCLUDE) CMakeLists.txt:2 (PROJECT) CMake Error: CMAKE_RC_COMPILER not set, after EnableLanguage CMake Error: your C compiler: "cl" was not found. Please set CMAKE_C_COMPILER to a valid compiler path or name. CMake Error: Internal CMake error, TryCompile configure of cmake failed -- Check for working C compiler: cl -- broken CMake Error at D:/Tools/CMake 2.8/share/cmake-2.8/Modules/CMakeTestCCompiler.cmake:52 (MESSAGE): The C compiler "cl" is not able to compile a simple test program. It fails with the following output: CMake will not be able to correctly generate this project. Call Stack (most recent call first): CMakeLists.txt:2 (project) CMake Error: your C compiler: "cl" was not found. Please set CMAKE_C_COMPILER to a valid compiler path or name. CMake Error: your CXX compiler: "cl" was not found. Please set CMAKE_CXX_COMPILER to a valid compiler path or name. -- Configuring incomplete, errors occurred! What are the complete requirement to use cmake successfully in windows XP?I've already installed Visual Studio under D:\Tools\Microsoft Visual Studio 9.0

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• iPhone crash on CoreData save

  - by davetron5000

  This is a different situation than this question, as the solution provided doesn't work and the stack is different. Periodical crash when I save data using coredata. The stack trace isn't 100% clear on where this is happening, but I'm certain it's this routine that's being called. It's either the save: in this method or the one following. Code: -(void)saveWine { if ([self validInfo]) { Wine *wine = (Wine *)wineToEdit; if (wine == nil) { wine = (Wine *)[NSEntityDescription insertNewObjectForEntityForName:@"Wine" inManagedObjectContext:self.managedObjectContext]; } wine.uuid = [Utils createUUID]; wine.name = self.wineNameField.text; wine.vineyard = self.vineyardField.text; wine.vintage = [[self numberFormatter] numberFromString:self.vintageField.text]; wine.timeStamp = [NSDate date]; wine.rating = [NSNumber numberWithInt:self.ratingControl.selectedSegmentIndex]; wine.partnerRating = [NSNumber numberWithInt:self.partnerRatingControl.selectedSegmentIndex]; wine.varietal = self.currentVarietal; wine.tastingNotes = self.currentTastingNotes; wine.dateTasted = self.currentDateTasted; wine.tastingLocation = [[ReferenceDataAccessor defaultReferenceDataAccessor] addEntityForType:TASTING_LOCATION withName:self.currentWhereTasted]; id type = [[ReferenceDataAccessor defaultReferenceDataAccessor] entityForType:WINE_TYPE withOrdinal:self.typeControl.selectedSegmentIndex]; wine.type = type; NSError *error; NSLog(@"Saving %@",wine); if (![self.managedObjectContext save:&error]) { [Utils showAlertMessage:@"There was a problem saving your wine; try restarting the app" withTitle:@"Problem saving"]; NSLog(@"Error while saving new wine %@, %@", error, [error userInfo]); } } else { NSLog(@"ERROR - someone is calling saveWine with invalid info!!"); } } Code for addEntityForType:withName:: -(id)addEntityForType:(NSString *)type withName:(NSString *)name { if ([Utils isStringBlank:name]) { return nil; } id existing = [[ReferenceDataAccessor defaultReferenceDataAccessor] entityForType:type withName:name]; if (existing != nil) { NSLog(@"%@ with name %@ already exists",type,name); return existing; } NSManagedObject *newEntity = [NSEntityDescription insertNewObjectForEntityForName:type inManagedObjectContext:self.managedObjectContext]; [newEntity setValue:name forKey:@"name"]; NSError *error; if (![self.managedObjectContext save:&error]) { [Utils showAlertMessage:[NSString stringWithFormat:@"There was a problem saving a %@",type] withTitle:@"Database Probem"]; [Utils logErrorFully:error forOperation:[NSString stringWithFormat:@"saving new %@",type ]]; } return newEntity; } Stack trace: Thread 0 Crashed: 0 libSystem.B.dylib 0x311de2d4 __kill + 8 1 libSystem.B.dylib 0x311de2c4 kill + 4 2 libSystem.B.dylib 0x311de2b6 raise + 10 3 libSystem.B.dylib 0x311f2d72 abort + 50 4 libstdc++.6.dylib 0x301dea20 __gnu_cxx::__verbose_terminate_handler() + 376 5 libobjc.A.dylib 0x319a2594 _objc_terminate + 104 6 libstdc++.6.dylib 0x301dcdf2 __cxxabiv1::__terminate(void (*)()) + 46 7 libstdc++.6.dylib 0x301dce46 std::terminate() + 10 8 libstdc++.6.dylib 0x301dcf16 __cxa_throw + 78 9 libobjc.A.dylib 0x319a14c4 objc_exception_throw + 64 10 CoreData 0x3526e83e -[NSManagedObjectContext save:] + 1098 11 Wine Brain 0x0000651e 0x1000 + 21790 12 Wine Brain 0x0000525c 0x1000 + 16988 13 Wine Brain 0x00004894 0x1000 + 14484 14 Wine Brain 0x00008716 0x1000 + 30486 15 CoreFoundation 0x31477fe6 -[NSObject(NSObject) performSelector:withObject:withObject:] + 18 16 UIKit 0x338c14a6 -[UIApplication sendAction:to:from:forEvent:] + 78 17 UIKit 0x3395c7ae -[UIBarButtonItem(UIInternal) _sendAction:withEvent:] + 86 18 CoreFoundation 0x31477fe6 -[NSObject(NSObject) performSelector:withObject:withObject:] + 18 19 UIKit 0x338c14a6 -[UIApplication sendAction:to:from:forEvent:] + 78 20 UIKit 0x338c1446 -[UIApplication sendAction:toTarget:fromSender:forEvent:] + 26 21 UIKit 0x338c1418 -[UIControl sendAction:to:forEvent:] + 32 22 UIKit 0x338c116a -[UIControl(Internal) _sendActionsForEvents:withEvent:] + 350 23 UIKit 0x338c19c8 -[UIControl touchesEnded:withEvent:] + 336 24 UIKit 0x338b734e -[UIWindow _sendTouchesForEvent:] + 362 25 UIKit 0x338b6cc8 -[UIWindow sendEvent:] + 256 26 UIKit 0x338a1fc0 -[UIApplication sendEvent:] + 292 27 UIKit 0x338a1900 _UIApplicationHandleEvent + 5084 28 GraphicsServices 0x35d66efc PurpleEventCallback + 660 29 CoreFoundation 0x314656f8 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 20 30 CoreFoundation 0x314656bc __CFRunLoopDoSource1 + 160 31 CoreFoundation 0x31457f76 __CFRunLoopRun + 514 32 CoreFoundation 0x31457c80 CFRunLoopRunSpecific + 224 33 CoreFoundation 0x31457b88 CFRunLoopRunInMode + 52 34 GraphicsServices 0x35d664a4 GSEventRunModal + 108 35 GraphicsServices 0x35d66550 GSEventRun + 56 36 UIKit 0x338d5322 -[UIApplication _run] + 406 37 UIKit 0x338d2e8c UIApplicationMain + 664 38 Wine Brain 0x000021ba 0x1000 + 4538 39 Wine Brain 0x00002184 0x1000 + 4484 I have no idea why my app's memory locations aren't being symbolocated, but the code paths lead to only two manavedObjectContext save: calls. The time this happend, addEntityForType was called all the way through, creating a new object for the "whereTasted" entity, before the final save: on the entire wine object. When I go through the same procedure again, it works fine. This leads me to believe it's something to do with the app having been run for a while when adding a new location, but I'm not sure. Any thoughts on how I can debug this and get more info the next time this happens?

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• Azure git deployment - missing references in 2nd assembly

  - by Dan

  I'm trying to setup Bitbucket deployment to an Azure website. I successfully have Bitbucket and Azure linked, but when I push to Bitbucket, I get the following error on the Azure site: If I click on 'View Log', it shows the following compile errors: D:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Common.targets(1578,5): warning MSB3245: Could not resolve this reference. Could not locate the assembly "System.Web.Mvc, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. [C:\DWASFiles\Sites\<projname>\VirtualDirectory0\site\repository\<projname>.Common\<projname>.Common.csproj] D:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Common.targets(1578,5): warning MSB3245: Could not resolve this reference. Could not locate the assembly "WebMatrix.WebData, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. [C:\DWASFiles\Sites\<projname>\VirtualDirectory0\site\repository\<projname>.Common\<projname>.Common.csproj] CustomMembershipProvider.cs(5,7): error CS0246: The type or namespace name 'WebMatrix' could not be found (are you missing a using directive or an assembly reference?) [C:\DWASFiles\Sites\<projname>\VirtualDirectory0\site\repository\<projname>.Common\<projname>.Common.csproj] CustomMembershipProvider.cs(9,38): error CS0246: The type or namespace name 'ExtendedMembershipProvider' could not be found (are you missing a using directive or an assembly reference?) [C:\DWASFiles\Sites\<projname>\VirtualDirectory0\site\repository\<projname>.Common\<projname>.Common.csproj] Models\AccountModels.cs(3,18): error CS0234: The type or namespace name 'Mvc' does not exist in the namespace 'System.Web' (are you missing an assembly reference?) [C:\DWASFiles\Sites\<projname>\VirtualDirectory0\site\repository\<projname>.Common\<projname>.Common.csproj] CustomMembershipProvider.cs(198,37): error CS0246: The type or namespace name 'OAuthAccountData' could not be found (are you missing a using directive or an assembly reference?) [C:\DWASFiles\Sites\<projname>\VirtualDirectory0\site\repository\<projname>.Common\<projname>.Common.csproj] Models\AccountModels.cs(40,10): error CS0246: The type or namespace name 'Compare' could not be found (are you missing a using directive or an assembly reference?) [C:\DWASFiles\Sites\<projname>\VirtualDirectory0\site\repository\<projname>.Common\<projname>.Common.csproj] Models\AccountModels.cs(40,10): error CS0246: The type or namespace name 'CompareAttribute' could not be found (are you missing a using directive or an assembly reference?) [C:\DWASFiles\Sites\<projname>\VirtualDirectory0\site\repository\<projname>.Common\<projname>.Common.csproj] Models\AccountModels.cs(73,10): error CS0246: The type or namespace name 'Compare' could not be found (are you missing a using directive or an assembly reference?) [C:\DWASFiles\Sites\<projname>\VirtualDirectory0\site\repository\<projname>.Common\<projname>.Common.csproj] Models\AccountModels.cs(73,10): error CS0246: The type or namespace name 'CompareAttribute' could not be found (are you missing a using directive or an assembly reference?) [C:\DWASFiles\Sites\<projname>\VirtualDirectory0\site\repository\<projname>.Common\<projname>.Common.csproj] Note that these compile errors are against another assembly in my project (the assembly where I put the business logic). When Googling, the only mention I found was about having to set the "local copy" flag to true for those references. I've tried this, but still got the same errors. This all compiles fine locally. Any ideas?

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• JRuby wrong element type class java.lang.String(array contains char) related to JAVA_HOME

  - by Daryl

  I am on Ubuntu x64 bit running: java version "1.6.0_18" OpenJDK Runtime Environment (IcedTea6 1.8) (6b18-1.8-0ubuntu1) OpenJDK 64-Bit Server VM (build 14.0-b16, mixed mode) and jruby 1.4.0 (ruby 1.8.7 patchlevel 174) (2010-02-11 6586) (OpenJDK 64-Bit Server VM 1.6.0_18) [amd64-java] I have this code running on my Windows 7 computer at home. I recently copied over my whole folder over to Ubuntu, installed java, jruby, and associated gems but I get this error when I run my main file: jruby run.rb test =================Processing FREDERICKSBURG_1.1======================= ERROR IN TESTING wrong element type class java.lang.String(array contains char) /home/daryl/Desktop/work/Code/geografikos/lib/sentence_splitter/splitter.rb:21:in `to_java' /home/daryl/Desktop/work/Code/geografikos/lib/sentence_splitter/splitter.rb:21:in `split' /home/daryl/Desktop/work/Code/geografikos/lib/models/page.rb:103:in `sentences' /home/daryl/Desktop/work/Code/geografikos/lib/extractor/lingpipe_svm.rb:34:in `extract' /home/daryl/Desktop/work/Code/geografikos/lib/extractor/geo_controller.rb:9:in `process' /home/daryl/Desktop/work/Code/geografikos/lib/extractor/geo_controller.rb:8:in `each' /home/daryl/Desktop/work/Code/geografikos/lib/extractor/geo_controller.rb:8:in `process' /home/daryl/Desktop/work/Code/geografikos/lib/extractor/geo_controller.rb:6:in `each' /home/daryl/Desktop/work/Code/geografikos/lib/extractor/geo_controller.rb:6:in `process' /home/daryl/Desktop/work/Code/geografikos/lib/statistics.rb:111:in `generate_all' /home/daryl/Desktop/work/Code/geografikos/lib/statistics.rb:105:in `each' /home/daryl/Desktop/work/Code/geografikos/lib/statistics.rb:105:in `generate_all' run.rb:56 The focus of the error is: ERROR IN TESTING wrong element type class java.lang.String(array contains char) Everything works fine on my windows machine. I figured I was getting this error because I did not have JAVA_HOME set however I added this to bashrc as: export JAVA_HOME=/usr/lib/jvm/java-1.6.0-openjdk and have confirmed: echo $JAVA_HOME /usr/lib/jvm/java-1.6.0-openjdk I can produce a similar error by removing my JAVA_HOME variable on windows: =================Processing FREDERICKSBURG_1.3======================= ERROR IN TESTING cannot convert instance of class org.jruby.RubyString to char C:/work/Code/geografikos/lib/sentence_splitter/splitter.rb:21:in `to_java' C:/work/Code/geografikos/lib/sentence_splitter/splitter.rb:21:in `split' C:/work/Code/geografikos/lib/models/page.rb:103:in `sentences' C:/work/Code/geografikos/lib/extractor/lingpipe_svm.rb:34:in `extract' C:/work/Code/geografikos/lib/extractor/geo_controller.rb:9:in `process' C:/work/Code/geografikos/lib/extractor/geo_controller.rb:8:in `each' C:/work/Code/geografikos/lib/extractor/geo_controller.rb:8:in `process' C:/work/Code/geografikos/lib/extractor/geo_controller.rb:6:in `each' C:/work/Code/geografikos/lib/extractor/geo_controller.rb:6:in `process' C:/work/Code/geografikos/lib/statistics.rb:111:in `generate_all' C:/work/Code/geografikos/lib/statistics.rb:105:in `each' C:/work/Code/geografikos/lib/statistics.rb:105:in `generate_all' run.rb:56 It is obviously not exactly the same but I have a feeling this has to do with the java path. You can probably derive from the error that I am just trying to convert a ruby variable to java using to_java. This works fine on my windows machine and I have confirmed the gems are the same but I don't think this has to do with gems. I lied. I changed my JAVA_HOME back on my windows machine and this error still occurs. So now the code doesn't run on either machine. I recently installed git on my windows machine and added the code to a repository. But I haven't really done anything with it. All it said was it will convert all LF to CRLF...That shouldn't change anything though should it? Any ideas on why I am now getting these errors? I haven't changed anything on my windows machine in months except for installing git.

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• Build a gem with native extension (Gem::Installer::ExtensionBuildError)

  - by Arnaud Leymet

  I have the following configuration: uname -a : Linux 2.6.24.2 i686 GNU/Linux (Ubuntu) ruby -v : ruby 1.9.0 (2007-12-25 revision 14709) [i486-linux] rails -v : Rails 3.0.0.beta3 gem -v : 1.3.5 rake --version : rake, version 0.8.7 make -v : GNU Make 3.81 gem env : RUBYGEMS VERSION: 1.3.5 RUBY VERSION: 1.9.0 (2007-12-25 patchlevel 0) [i486-linux] INSTALLATION DIRECTORY: /usr/lib/ruby1.9/gems/1.9.0 RUBY EXECUTABLE: /usr/bin/ruby1.9 EXECUTABLE DIRECTORY: /usr/bin RUBYGEMS PLATFORMS: ruby x86-linux GEM PATHS: /usr/lib/ruby1.9/gems/1.9.0 /root/.gem/ruby/1.9.0 GEM CONFIGURATION: :update_sources = true :verbose = true :benchmark = false :backtrace = false :bulk_threshold = 1000 REMOTE SOURCES: http://gems.rubyforge.org/ And when I try this simple command: gem install nokogiri Here is what I get: # gem install nokogiri Building native extensions. This could take a while... ERROR: Error installing nokogiri: ERROR: Failed to build gem native extension. /usr/bin/ruby1.9 extconf.rb checking for iconv.h in /opt/local/include/,/opt/local/include/libxml2,/opt/local/include,/opt/local/include,/opt/local/include/libxml2,/usr/local/include,/usr/local/include/libxml2,/usr/include,/usr/include/libxml2,/usr/include,/usr/include/libxml2... yes checking for libxml/parser.h in /opt/local/include/,/opt/local/include/libxml2,/opt/local/include,/opt/local/include,/opt/local/include/libxml2,/usr/local/include,/usr/local/include/libxml2,/usr/include,/usr/include/libxml2,/usr/include,/usr/include/libxml2... yes checking for libxslt/xslt.h in /opt/local/include/,/opt/local/include/libxml2,/opt/local/include,/opt/local/include,/opt/local/include/libxml2,/usr/local/include,/usr/local/include/libxml2,/usr/include,/usr/include/libxml2,/usr/include,/usr/include/libxml2... yes checking for libexslt/exslt.h in /opt/local/include/,/opt/local/include/libxml2,/opt/local/include,/opt/local/include,/opt/local/include/libxml2,/usr/local/include,/usr/local/include/libxml2,/usr/include,/usr/include/libxml2,/usr/include,/usr/include/libxml2... yes checking for xmlParseDoc() in -lxml2... yes checking for xsltParseStylesheetDoc() in -lxslt... yes checking for exsltFuncRegister() in -lexslt... yes checking for xmlRelaxNGSetParserStructuredErrors()... yes checking for xmlRelaxNGSetParserStructuredErrors()... yes checking for xmlRelaxNGSetValidStructuredErrors()... yes checking for xmlSchemaSetValidStructuredErrors()... yes checking for xmlSchemaSetParserStructuredErrors()... yes creating Makefile make cc -I. -I/usr/include/libxml2 -I/usr/include -I/usr/include/ruby-1.9.0/i486-linux -I/usr/include/ruby-1.9.0 -I. -DHAVE_XMLRELAXNGSETPARSERSTRUCTUREDERRORS -DHAVE_XMLRELAXNGSETPARSERSTRUCTUREDERRORS -DHAVE_XMLRELAXNGSETVALIDSTRUCTUREDERRORS -DHAVE_XMLSCHEMASETVALIDSTRUCTUREDERRORS -DHAVE_XMLSCHEMASETPARSERSTRUCTUREDERRORS -I/opt/local/include/ -I/opt/local/include/libxml2 -I/opt/local/include -D_FILE_OFFSET_BITS=64 -fPIC -fno-strict-aliasing -g -fPIC -g -DXP_UNIX -O3 -Wall -Wcast-qual -Wwrite-strings -Wconversion -Wmissing-noreturn -Winline -o xml_document_fragment.o -c xml_document_fragment.c In the included file starting at ./nokogiri.h:75, From ./xml_document_fragment.h:4, From xml_document_fragment.c:1: ./xml_document.h:5:16: error: st.h : No file or folder with this type make: *** [xml_document_fragment.o] Error 1 Gem files will remain installed in /usr/lib/ruby1.9/gems/1.9.0/gems/nokogiri-1.4.1 for inspection. Results logged to /usr/lib/ruby1.9/gems/1.9.0/gems/nokogiri-1.4.1/ext/nokogiri/gem_make.out The "gem_make.out" file contains the exact same information as described above. If I try with another gem: gem install gherkin Here is what I get: u# gem install gherkin Building native extensions. This could take a while... ERROR: Error installing gherkin: ERROR: Failed to build gem native extension. /usr/bin/ruby1.9 extconf.rb checking for main() in -lc... yes creating Makefile make cc -I. -I/usr/include/ruby-1.9.0/i486-linux -I/usr/include/ruby-1.9.0 -I. -D_FILE_OFFSET_BITS=64 -fPIC -fno-strict-aliasing -g -fPIC -o gherkin_lexer_ar.o -c gherkin_lexer_ar.c /Users/aslakhellesoy/scm/gherkin/tasks/../ragel/i18n/ar.c.rl:11:16: erreur: re.h : Aucun fichier ou dossier de ce type make: *** [gherkin_lexer_ar.o] Erreur 1 Gem files will remain installed in /usr/lib/ruby1.9/gems/1.9.0/gems/gherkin-1.0.30 for inspection. Results logged to /usr/lib/ruby1.9/gems/1.9.0/gems/gherkin-1.0.30/ext/gherkin_lexer_ar/gem_make.out In fact whenever I try to install a gem with native extension, I get the same type of error. Would that ring a bell to anyone?

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• Asp.net with RegularExpression problem

  - by Eyla

  Greetings, I'm try to do valdation textbox input to valdate a phone number. I have a asp.net textbox and checkbox. the defualt is to validate a us phone number and when I check the checkbox I should change the RegularExpression and error message to validate an international phone using my own RegularExpression. I have no problem to validate the international phone but the problem is when validating the usa phone number I'm always getting error message that it is invalde phone number. I used diffrent RegularExpression but did not work. Please look at my code and davice me. Regards, ! ..................... ASP.net Code ..................... <%@ Page Language="C#" MasterPageFile="~/Master.Master" AutoEventWireup="true" CodeBehind="UpdateContact.aspx.cs" Inherits="IMAM_APPLICATION.UpdateContact" Title="Untitled Page" %> <%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %> <asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="server"> <script src="js/jquery-1.4.1-vsdoc.js" type="text/javascript"></script> <script src="js/jquery.validate.js" type="text/javascript"></script> <script src="js/js.js" type="text/javascript"></script> <script type="text/javascript"> $(document).ready(function() { ValidPhoneHome("#<%= chkIntphoneHome%>"); $("#aspnetForm").validate({ // debug: true, rules: { "<%=txtHomePhone.UniqueID %>": { phonehome: true } }, errorElement: "mydiv", wrapper: "mydiv", // a wrapper around the error message errorPlacement: function(error, element) { offset = element.offset(); error.insertBefore(element) error.addClass('message'); // add a class to the wrapper error.css('position', 'absolute'); error.css('left', offset.left + element.outerWidth()); error.css('top', offset.top - (element.height() / 2)); } }); }) </script> <div id="mydiv"> <asp:CheckBox ID="chkIntphoneHome" runat="server" Text="Internation Code" Style="position: absolute; top: 620px; left: 700px;" onclick=" ValidPhoneHome(this)" /> <asp:TextBox ID="txtHomePhone" runat="server" Style="top: 650px; left: 700px; position: absolute; height: 22px; width: 128px" ></asp:TextBox> </div> </asp:Content> ............................. js.js File ................... var RegularExpression; var USAPhone = /(^[a-z]([a-z_\.]*)@([a-z_\.]*)([.][a-z]{3})$)|(^[a-z]([a-z_\.]*)@([a-z_\.]*)(\.[a-z]{3})(\.[a-z]{2})*$)/i; var InterPhone = /^\d{9,12}$/; var errmsg; function ValidPhoneHome(sender) { if (sender.checked == true) { RegularExpression = InterPhone; errmsg = "Enter 9 to 12 numbers as international number"; } else { RegularExpression = USAPhone; errmsg = "Enter a valid number"; } jQuery.validator.addMethod("phonehome", function(value, element) { return this.optional(element) || RegularExpression.test(value); }, errmsg); }

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• How to display a person record just after saving his data to iPhone Address Book?

  - by camelCase

  this is my code and it works flawless, where my_value is a string with separator ','. everythign works fin but i'd like to display the person record from the address book after i saved it, so in the function if(isSaved) { // **** code here *** } here the complete function - (void) addToAgenda: (NSString*) my_value{ //NSArray *strings = [my_value componentsSeparatedByString: @","]; NSArray *dati=[[NSArray alloc] initWithArray:[my_value componentsSeparatedByString:@","]]; NSString *userwebsite = [dati objectAtIndex:0]; NSString *fname = [dati objectAtIndex:1]; NSString *lname = [dati objectAtIndex:2]; NSString *useremail = [dati objectAtIndex:3];; NSString *usermobile = [dati objectAtIndex:4]; NSString *usercompany = @"xxx"; ABRecordRef aRecord = ABPersonCreate(); CFErrorRef anError = NULL; // fisrst name ABRecordSetValue(aRecord, kABPersonFirstNameProperty, fname, &anError); // last name ABRecordSetValue(aRecord, kABPersonLastNameProperty, lname, &anError); // Phone Number. ABMutableMultiValueRef multi = ABMultiValueCreateMutable(kABMultiStringPropertyType); ABMultiValueAddValueAndLabel(multi, (CFStringRef)usermobile, kABWorkLabel, NULL); ABRecordSetValue(aRecord, kABPersonPhoneProperty, multi, &anError); CFRelease(multi); // Company ABRecordSetValue(aRecord, kABPersonDepartmentProperty, usercompany, &anError); // email NSLog(@"%@", useremail); ABMutableMultiValueRef multiemail = ABMultiValueCreateMutable(kABMultiStringPropertyType); ABMultiValueAddValueAndLabel(multiemail, (CFStringRef)useremail, kABWorkLabel, NULL); ABRecordSetValue(aRecord, kABPersonEmailProperty, multiemail, &anError); CFRelease(multiemail); // website NSLog(@"%@", userwebsite); ABMutableMultiValueRef multiweb = ABMultiValueCreateMutable(kABMultiStringPropertyType); ABMultiValueAddValueAndLabel(multiweb, (CFStringRef)userwebsite, kABWorkLabel, NULL); ABRecordSetValue(aRecord, kABPersonURLProperty, multiweb, &anError); CFRelease(multiemail); if (anError != NULL) NSLog(@"error while creating.."); CFStringRef personname, personlname, personcompind, personemail, personwebsite, personcontact; personname = ABRecordCopyValue(aRecord, kABPersonFirstNameProperty); personlname = ABRecordCopyValue(aRecord, kABPersonLastNameProperty); personcompind = ABRecordCopyValue(aRecord, kABPersonDepartmentProperty); personemail = ABRecordCopyValue(aRecord, kABPersonEmailProperty); personwebsite = ABRecordCopyValue(aRecord, kABPersonURLProperty); personcontact = ABRecordCopyValue(aRecord, kABPersonPhoneProperty); ABAddressBookRef addressBook; CFErrorRef error = NULL; addressBook = ABAddressBookCreate(); BOOL isAdded = ABAddressBookAddRecord (addressBook, aRecord, &error); if(isAdded){ NSLog(@"added.."); } if (error != NULL) { NSLog(@"ABAddressBookAddRecord %@", error); } error = NULL; BOOL isSaved = ABAddressBookSave (addressBook, &error); if(isSaved) { // **** code here *** } if (error != NULL) { NSLog(@"ABAddressBookSave %@", error); UIAlertView *alertOnChoose = [[UIAlertView alloc] initWithTitle:@"Unable to save this time" message:nil delegate:self cancelButtonTitle:nil otherButtonTitles:@"Ok", nil]; [alertOnChoose show]; [alertOnChoose release]; } CFRelease(aRecord); CFRelease(personname); CFRelease(personlname); CFRelease(personcompind); CFRelease(personcontact); CFRelease(personemail); CFRelease(personwebsite); CFRelease(addressBook); }

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• Why do I get error "prefix [..] is not defined" when I try to use my jsf custom tag?

  - by Roman

  I created a jsf custom tag (I'm not sure that it's correct, I could miss something easily, so I attached code below). Now I'm trying to use this tag but I get an error: error on line 28 at column 49: Namespace prefix gc on ganttchart is not defined So, here is the xhtml-page: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xmlns:ui="http://java.sun.com/jsf/facelets" xmlns:h="http://java.sun.com/jsf/html" xmlns:f="http://java.sun.com/jsf/core" xmlns:gc="http://myganttchart.org"> <body> <ui:composition template="/masterpage.xhtml"> <ui:define name="title">Gantt chart test</ui:define> <ui:define name="content"> <f:view> <gc:ganttchart width="300" height="100" rendered="true"/> ... </f:view> </ui:define> </ui:composition> </body> </html> And here is tld-file (it's placed in WEB-INF/): <taglib xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-jsptaglibrary_2_1.xsd" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="2.1"> <tlib-version> 1.0 </tlib-version> <short-name> oext </short-name> <uri> http://myganttchart.org </uri> <tag> <name>ganttchart</name> <tag-class>usermanagement.support.ganttchart.GanttChartTag</tag-class> <body-content>empty</body-content> <attribute> <name>binding</name> <deferred-value> <type>javax.faces.component.UIComponent</type> </deferred-value> </attribute> ... </tag> </tablib> Here is a part of tag-class code: public class GanttChartTag extends UIComponentELTag { private ValueExpression width; private ValueExpression height; private ValueExpression styleClass; public String getComponentType () { return "org.myganttchart"; } public String getRendererType () { return null; } ... } Correspondent block from faces-config: <component> <component-type>org.myganttchart</component-type> <component-class>usermanagement.support.ganttchart.UIGanttChart</component-class> </component> And the last part if UIGanttChart: public class UIGanttChart extends UIOutput { public UIGanttChart() { setRendererType (null); } //some test code public void encodeBegin(FacesContext context) throws IOException { ResponseWriter writer = context.getResponseWriter (); writer.startElement("img", this); writer.writeAttribute("src", "no-img", "source"); writer.writeAttribute("width", getAttributes ().get ("width"), "width"); writer.writeAttribute("height", getAttributes ().get ("height"), "height"); writer.writeAttribute("class", ".someclass", "styleClass"); writer.endElement("img"); } } So, what did I miss?

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