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• why gwt-user-1.7.0 contains Servlet API classes

  - by Anton S. Kraievoy

  Does anyone know any sane reason for such bundling decision? Google engineers act wisely in most cases, so this kinda surprized me. This would cause collisions with other versions of servlet API pulled via Maven dependencies: webapp classpath will likely contain version which is bundled with GWT; container may refuse to load the GWT jar as it contains the javax.servlet package; in most cases this will likely deviate classpaths across your IDE's debugger and the really executing VM. Link to the jar in question (just so you see the same thing after unzipping as I do): http://repo1.maven.org/maven2/com/google/gwt/gwt-user/1.7.0/gwt-user-1.7.0.jar

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• Doubling a number - shift left vs. multiplication

  - by ToxicAvenger

  What are the differences between int size = (int)((length * 200L) / 100L); // (1) and int size = length << 1; // (2) (length is int in both cases) I assume both code snippets want to double the length parameter. I'd be tempted to use (2) ... so are there any advantages for using (1)? I looked at the edge cases when overflow occurs, and both versions seem to have the same behavior. Please tell me what am I missing.

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• What is a good rule for when to prepend members with 'this' (C#)?

  - by RichAmberale

  If I am accessing a member field, property, or method, I'm never sure when I should prepend it with 'this'. I am not asking about cases where it is required, like in the case where a local variable has the same name. I am talking about cases where the meaning is exactly the same. Which is more readable? Are there any standards, best practices, or rules of thumb I should be following? Should it just be consistent throughout a class, or an entire code base?

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• Tell me a situation in which SQL Server indexing is not required

  - by Mahesh

  Could you please tell me cases where indexing on an SQL Server table is not required?

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• Programmatically get valid switch/case values

  - by craigim

  When MATLAB scans through cases in a switch/case block, does it remember the values that it skips, and is it possible to access that list? I have a few functions with long switch\case block and I would like to have them return a list of valid case values if they make it down to otherwise. For instance, I have a function that returns a set of optical constants for a material. It currently has about 20 different materials and it is growing as I consider new ones. I realize I can brute-force it and just re-type all of the valid cases into a cell array under otherwise and have the function throw an error and return the list of valid responses, but maintaining both lists without errors or laziness creeping in over time is challenging.

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• About scrollViewDidEndScrollingAnimation

  - by Michael

  When this guy is being called and in which cases would I need to use it?

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• How often does memcache on Google AppEngine lose data?

  - by Freed

  Memcache in general and on AppEngine in specific is unreliable in the sense that my data may be deleted from the cache for whatever reason at any point in time. However, in some cases there might be cases where a small risk may be worth the added performance using memcache could give, such as updating some data in memcache that gets saved periodically to some other, more reliable storage. Are there any numbers from Google that could give me an indication of the actual probability that a memcache entry would be lost from the cache before its expiration time, given that I keep within my quotas? Are there any reasons other than hardware failure and administrative operations such as machines at the data centers being upgraded/moved/replaced that would cause entries to be removed from memcache prematurely?

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• How to extract images from flash viewers?

  - by RC

  This deals with the (diverse) flash viewers that let you zoom in on images on websites. I’m trying to extract the large, zoomed-in image rendered by the viewer. In many cases the images seem to be dynamically called by the viewer, or are created only for the part of the image you are zooming on at that point. Ideally, the approach here would be a programmatic one that could be called on an identified flash element. Expect there is nothing universal, but interested in the top few approaches that will grab most cases.

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• inner workings of PHP (really long PHP script)

  - by econclicks

  I have a really long php script for just 1 page i.e. something like: mywebsite.com/page.php?id=99999 I have about 10000-20000 cases of the id, each with a different settings. Will this slow down my website significantly? i.e. my question is really along the lines of, what happens when php is executed. does the server execute it and display the results, or does the client's computer download it, execute it and display the results. if its the latter, does it mean a really slow load time? each of the 10000-20000 cases has about 20-25 lines of code after it. thanks, xoxo

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• Trying to run chrooted suPHP with UserDir, getting 500 server error

  - by Greg Antowski

  I've managed to get suPHP working fine with UserDir (i.e. PHP files run from the /home/$username/public_html) directory, but I can't get it to work when I chroot it to the user's home directory. I've been following this guide: http://compilefailure.blogspot.co.nz/2011/09/suphp-chroot-gotchas.html And adapting it to my needs. I'm not creating vhosts, I just want PHP scripts to be jailed to the user's home directory. I've gotten to the part where you use makejail and set up a symlink. However even with the symlink set up correctly, PHP scripts won't run. This is what's shown in the Apache error log: SoftException in Application.cpp:537: Could not execute script "/home/jimmy/public_html/test.php" [error] [client 127.0.0.1] Caused by SystemException in API_Linux.cpp:444: execve() for program "/usr/bin/php-cgi" failed: No such file or directory The thing is, if I try running either of the following commands in the terminal it works without any issues: /home/jimmy/usr/bin/php-cgi /home/jimmy/public_html/test.php /usr/bin/php-cgi /home/jimmy/public_html/test.php I've been trying for hours to get this going and documentation for this kind of stuff is almost non-existent. If anyone could help me out with this, I'd be extremely grateful.

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• fedora12, yum not releasing "lock" after performing an action

  - by James.Elsey

  Hello, This problem has been occurring quite frequently recently and I can't seem to find a way of preventing it. Whenever I perform an action with yum such as to install or remove software, it appears to execute successfully but then I'm unable to move onto the next yum command For example, I executed yum remove skype, it appeared to remove ok, but next when I try to yum search skype it appears that yum is still processing, and I have to manually kill that process via kill 1234 (or whatever the PID is) My output is as follows [root@nevada james]# yum remove skype Loaded plugins: presto, refresh-packagekit Setting up Remove Process Resolving Dependencies --> Running transaction check ---> Package skype.i586 0:2.1.0.47-fc10 set to be erased --> Finished Dependency Resolution Dependencies Resolved ================================================================================ Package Arch Version Repository Size ================================================================================ Removing: skype i586 2.1.0.47-fc10 installed 24 M Transaction Summary ================================================================================ Remove 1 Package(s) Reinstall 0 Package(s) Downgrade 0 Package(s) Is this ok [y/N]: y Downloading Packages: Running rpm_check_debug Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction Erasing : skype-2.1.0.47-fc10.i586 1/1 Removed: skype.i586 0:2.1.0.47-fc10 Complete! [root@nevada james]# yum search skype Loaded plugins: presto, refresh-packagekit Existing lock /var/run/yum.pid: another copy is running as pid 3639. Another app is currently holding the yum lock; waiting for it to exit... The other application is: PackageKit Memory : 79 M RSS (372 MB VSZ) Started: Fri Dec 18 08:39:18 2009 - 00:01 ago State : Sleeping, pid: 3639 Kernel version : 2.6.31.6-166.fc12.x86_64 Any ideas how I can prevent this behaviour? Thanks

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• can't get php mail() working on Ubuntu desktop version with sendmail and postfix

  - by EricP

  I'm running Ubuntu 9.10 LAMP and trying to do a simple email test with PHP and I'm not getting any emails sent. mail("[email protected]", "eric-linux test", "test") or die("can't send mail"); I get no errors from PHP when running that script. In my php.ini file is: sendmail_path = /usr/lib/sendmail -t -i $ sudo ps aux | grep sendmail eric 2486 0.0 0.4 8368 2344 pts/0 T 14:52 0:00 sendmail -s “Hello world” [email protected] eric 8747 0.0 0.3 5692 1616 pts/2 T 16:18 0:00 sendmail eric 8749 0.0 0.3 5692 1636 pts/2 T 16:18 0:00 sendmail start eric 9190 0.0 0.3 5692 1636 pts/2 T 19:12 0:00 sendmail start eric 9192 0.0 0.3 5692 1616 pts/2 T 19:12 0:00 sendmail eric 9425 0.0 0.3 5692 1620 pts/1 T 19:37 0:00 sendmail eric 9427 0.0 0.3 6584 1636 pts/1 T 19:37 0:00 sendmail restart eric 9429 0.0 0.3 5692 1636 pts/1 T 19:38 0:00 /usr/lib/sendmail restart eric 9432 0.0 0.1 3040 804 pts/1 R+ 19:38 0:00 grep --color=auto sendmail When I run $ sendmail start it just hangs there doing nothing. I installed postfix also to see if it would help, but it didn't. I tried to see port 25: eric@eric-linux:~$ telnet localhost 25 Trying ::1... Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. 220 eric-linux ESMTP Postfix (Ubuntu) thanks

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• Nginx case-insensitive reverse proxy rewrites

  - by BrianM

  I'm looking to setup an nginx reverse proxy to make some upcoming server moves and load balanced implementations much easier within our apps. Since our servers are all IIS case sensitivity hasn't been an issue, but now with nginx it's becoming one for me. I am simply looking to do a rewrite regardless of case. Infrastructure notes: All backend servers are IIS Most services are WCF services I am trying to simplify the URLs so I can move services around as we continue to build out I can't set my location to case insensitive due to the following error: nginx: [emerg] "proxy_pass" cannot have URI part in location given by regular expression, or inside named location, or inside "if" statement, or inside "limit_except" block in /etc/nginx/sites-enabled/test.conf:101 The main part of my conf file where I am trying to handle the rewrite is as follows location /svc_test { proxy_set_header x-real-ip $remote_addr; proxy_set_header x-forwarded-for $proxy_add_x_forwarded_for; proxy_set_header host $http_host; proxy_pass http://backend/serviceSite/WFCService.svc; } location ~* /test { rewrite ^/(.*)/$ /svc_test/$1 last; } It's the /test location that I can't get figured out. If I call http://nginxserver/svc_test/help I get the WCF help page to display correctly and I can make all available REST calls. This HAS to be a boneheaded regex issue on my part, but I have tried several variations and all I can get are 404 or 500 errors from nginx. This is NOT rocket science so can someone point me in the right direction so I can look like an idiot and just move on?

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• QoS basics on a Cisco ASA

  - by qbn

  Could someone briefly explain how to use QoS on Cisco ASA 5505? I have the basics of policing down, but what about shaping and priorities? Basically what I'm trying to do is carve out some bandwidth for my VPN subnets (in an object-group called priority-traffic). I've seen this Cisco QoS document, however configuring shaping and priority-queue don't seem to have any effects in my test. A full download of the linux kernel from kernel.org will boost a ping to a server via VPN sky high. Policing has been successful in passing this test, although it doesn't seem as efficient (I cap non-vpn traffic at 3 of my 4.5 megabits of bandwidth). Am I misunderstanding the results of the test? I think there is some simple concept I'm not grasping here. EDIT: Here is my config thus far (I have 4.5 megabits of bandwidth): access-list priority-traffic extended permit ip object-group priority-traffic any access-list priority-traffic extended permit ip any object-group priority-traffic access-list priority-traffic extended permit icmp object-group priority-traffic any access-list priority-traffic extended permit icmp any object-group priority-traffic access-list non-priority-traffic extended deny ip object-group priority-traffic any access-list non-priority-traffic extended deny ip any object-group priority-traffic access-list non-priority-traffic extended permit ip any any priority-queue outside queue-limit 440 class-map non-priority-traffic match access-list non-priority-traffic class-map priority-traffic match access-list priority-traffic class-map inspection_default match default-inspection-traffic policy-map type inspect dns preset_dns_map parameters 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 rsh inspect rtsp inspect sqlnet inspect skinny inspect sunrpc inspect xdmcp inspect sip inspect netbios inspect tftp policy-map outbound-qos-policy class non-priority-traffic police input 2500000 police output 2500000 class priority-traffic priority service-policy global_policy global service-policy outbound-qos-policy interface outside

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• Unconvert Text File from Binary Format

  - by Hammer Bro.

  I've got a rather large CSV file (~700MB) which I know to consist of lines of 27-character alpha-numeric hashes; no commas or anything fancy. Somehow, during its migration from Windows to Linux (via winSCP and then a few regular SCPs), it has converted into some kind of binary format I am unfamiliar with. If I open the file in vi, everything appears fine, and it says [converted] at the bottom, although I know it's not a line endings issue (and dos2unix doesn't help). If I 'head' the file, it looks proper except for a "ÿþ" at the beginning of the first line. If I open up the file in nano, however, I see the "ÿþ" at the start and then "^@" before every character (even newlines and EoF). If I try to re-save or copy the file (say via: head file.csv short.txt), this special encoding is preserved. I copied the first ten lines out of vi (which displays it properly) into my Windows clipboard via my SSH client, then pasted it into a new text file, test.txt. This file is visually identical when opened in vi (and similar through 'head', minus the "ÿþ"), although it's roughly half of the filesize. Additionally, file test.txt test.txt: ASCII text file short.txt short.txt: I have no idea what format this once-text file got converted to (it's notoriously hard to search the internet for symbols), but surely there must be some way to convert it back. Any ideas?

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• Why can't “knife data bag from file” find existing json file on chef server?

  - by ellisera

  Summary: I'm running into a problem with "knife data bag from file", where knife doesn't recognize the .json data bag file pulled down from a remote git repo. Background: I'm currently trying to transition from chef-solo use to chef server while using the cookbooks, data bags and other chef info from our remote git repo. I've currently pulled down a copy of our git repo and set the cookbook path and data bag path in knife.rb. I also loaded the cookbooks, made adjustments, etc. Details: When trying to load our .json data bags by doing "knife data bag add from file FOLDER FILE" it looks like it worked until I do "knife data bag list" and it comes up blank. So I decided to try adding the edit option at the end to see what's being loaded, if it is. This is the error I get: knife data bag from file local_settings test.json -e nano ERROR: Could not find or open file 'test.json' in current directory or in 'data_bags/local_settings/test.json' The data bag file does exist, in the proper location, in a tested, working json file. I've also sometimes gotten an error saying "could not open data bag "local_settings". I would obviously like to keep the data bag path within the appropriate git repo folder to be able to keep track of changes in a more centralized location (our git repo, as opposed to the chef server). Any solutions, advice or pointers in the right direction are appreciated.

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• Use icacls to make a directory read-only on Windows 7

  - by Dave G

  I'm attempting to test some filesystem exceptions in a Java based application. I need to find a way to create a directory that is located under %TMP% that is set to read-only. Essentially on UNIX/POSIX platforms, I can do a chmod -w and get this effect. Under Windows 7/NTFS this is of course a different story. I'm running into multiple issues on this. My user has "administrative" right (although this may not always be the case) and as such the directory is created with an ACL including: NT AUTHORITY\SYSTEM BUILTIN\Administrators <my current user> Is there a way using icacls to essentially get this directory into a state where it is read-only PERIOD, do my test, then restore the ACL for removal? EDIT With the information provided by @Ansgar Wiechers I was able to come up with a solution. I used the following: icacls dirname /deny %username%:(WD) In the page located here I found this in the remarks section: icacls preserves the canonical order of ACE entries as: * Explicit denials * Explicit grants * Inherited denials * Inherited grants By performing the above icalcs command, I was able to set the current user's ability to write or append files (WD) to the directory to deny. Then it was a question of returning it to a state post test: icacls dirname /reset /t /c Done

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• MySQL remote access not working - Port Close?

  - by dave.zap

  I am not able to get a remote connection established to MySQL. From my pc I am able to telnet to 3306 on the existing server, but when I try the same with the new server it hangs for few minutes then returns # mysql -utest3 -h [server ip] -p Enter password: ERROR 2003 (HY000): Can't connect to MySQL server on '[server ip]' (110) Here is some output from the server. # nmap -sT -O localhost -p 3306 ... PORT STATE SERVICE 3306/tcp closed mysql ... # netstat -anp | grep mysql tcp 0 0 [server ip]:3306 0.0.0.0:* LISTEN 6349/mysqld unix 2 [ ACC ] STREAM LISTENING 12286 6349/mysqld /DATA/mysql/mysql.sock # netstat -anp | grep 3306 tcp 0 0 [server ip]:3306 0.0.0.0:* LISTEN 6349/mysqld unix 3 [ ] STREAM CONNECTED 3306 1411/audispd # lsof -i TCP:3306 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME mysqld 6349 mysql 10u IPv4 12285 0t0 TCP [domain]:mysql (LISTEN) I am running... OS CentOS release 5.8 (Final) mysql 5.5.28 (Remi) Note: Internal connections to mysql work fine. I have disabled IPtables, the box has no other firewall, it runs Apache on port 80 and ssh no problem. Had followed this tutorial - http://www.cyberciti.biz/tips/how-do-i-enable-remote-access-to-mysql-database-server.html I have bound the IP address in my.cnf user=mysql bind-address = [sever ip] port=3306 I even started over by deleting the mysql folder in my datastore and running mysql_install_db --datadir=/DATA/mysql --force Then recreated all the users as per the manual... http://dev.mysql.com/doc/refman/5.5/en/adding-users.html I have created one test user CREATE USER 'test'@'%' IDENTIFIED BY '[password]'; GRANT ALL PRIVILEGES ON *.* TO 'test'@'%' WITH GRANT OPTION; FLUSH PRIVILEGES; So all I can see is that the port is not really open. Where else might I look? thanks

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• How to Creat custom content for nginx error 502 page, keep origin url on browser

  - by user123862

  i'm trying to get custom language and message for nginx error page but keep url on browser.. not success for eg: i go to url : xaluan.com/aaa/bbb.html on the time server down.. nginx will show error 502. with the same url but custom message as my language. test 1. I created a custom page at /usr/local/nginx/html/205.html as following config but it show on web site when error is default nginx error at domain.com/50.html ( the content of webpage not same as i created) error_page 502 /502.html; location = /502.html { root /usr/local/nginx/html; } test 2. Then i create same page at my www domain folder /home/xaluano/public_html/502.html but this keep redirect me to root domain.com/502.html the content now same as i created. but.. the url still not as i need error_page 502 /502.html; location = /502.html { root /home/xaluano/public_html; internal; } EDIT UPDATE for more detail 10/06/2012 please download my nginx config http://pastebin.com/7iLD6WQq and vhost config following: http://pastebin.com/ZZ91KiY6 == the case test.. if apache httpd service stop: #service httpd stop then open browser go to: xaluan.com/modules.php?name=News&file=article&sid=123456 I will see the 502 error with the same url on browser address == Custome error page I need the config which help when apache fail .. will show the custom message tell user wail for 1 minute for service back then refress current page with same url ( refresh I can do easy by javascript ), Nginx dosent change url so java-script can work out. any help will be great.. thank in advance

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• PHP/Linux File Permissions

  - by user1733435

  May I ask a question about file permission. I set up Ubuntu server where Apache got running. I have simple php upload form and able to upload file to /var/www/site/uploads as follows. sandbox@sandbox-virtual-machine:/var/www/site/uploads$ ll total 1736 drwxrwxrwx 2 www-data www-data 4096 Oct 18 02:53 ./ drwxrwxrwx 3 sandbox sandbox 4096 Oct 18 00:42 ../ -rw-r--r-- 1 www-data www-data 145998 Oct 18 02:53 3d wallpaper pic.jpg -rw-r--r-- 1 www-data www-data 166947 Oct 18 02:53 3D Wallpapers 9.jpg -rw-r--r-- 1 www-data www-data 1451489 Oct 18 02:53 6453_3d_landscape_hd_wallpapers_green.jpg Is there anyway to upload files and they show up as -rw-r--r-- 1 sandbox sandbox 145998 Oct 18 02:53 3d wallpaper pic.jpg -rw-r--r-- 1 sandbox sandbox 166947 Oct 18 02:53 3D Wallpapers 9.jpg -rw-r--r-- 1 sandbox sandbox 1451489 Oct 18 02:53 6453_3d_landscape_hd_wallpapers_green.jpg so that I could straight away feed them to waiting/running shell script. Right now waiting script(move,checksums,rename,resize,etc) unable to do anything to uploaded files with attributes of www-data. If I just do as local account, such as sandbox@sandbox-virtual-machine:/var/www/site/uploads$touch testfile then the script is able to run as I would like to. Any suggestion would be grateful,thanks in advance as well. Thanks for everyone giving help to me,that I was able to progress. Now I am close to getting solved and append the output sandbox@sandbox-virtual-machine:/var/www/site/uploads$ ll total 388 drwxrwxrwx 2 www-data www-data 4096 Oct 18 04:22 ./ drwxrwxrwx 3 sandbox sandbox 4096 Oct 18 04:17 ../ -rw-r--r-- 1 sandbox sandbox 166947 Oct 18 04:21 3D Wallpapers 9.jpg -rw-r--r-- 1 sandbox sandbox 219808 Oct 18 04:20 adafruit_pi.png -rw-rw-r-- 1 sandbox sandbox 0 Oct 18 04:22 test How may I set permission to uploaded files like 'test' only w difference in middle group. Such as adafruit_pi.png Vs test. Which statement shall I insert to php code,please?

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• Postfix SASL Authentication using PAM_Python

  - by Christian Joudrey

  Cross-post from: http://stackoverflow.com/questions/4337995/postfix-sasl-authentication-using-pam-python Hey guys, I just set up a Postfix server in Ubuntu and I want to add SASL authentication using PAM_Python. I've compiled pam_python.so and made sure that it is in /lib/security. I've also added created the /etc/pam.d/smtp file and added: auth required pam_python.so test.py The test.py file has been placed in /lib/security and contains: # # Duplicates pam_permit.c # DEFAULT_USER = "nobody" def pam_sm_authenticate(pamh, flags, argv): try: user = pamh.get_user(None) except pamh.exception, e: return e.pam_result if user == None: pam.user = DEFAULT_USER return pamh.PAM_SUCCESS def pam_sm_setcred(pamh, flags, argv): return pamh.PAM_SUCCESS def pam_sm_acct_mgmt(pamh, flags, argv): return pamh.PAM_SUCCESS def pam_sm_open_session(pamh, flags, argv): return pamh.PAM_SUCCESS def pam_sm_close_session(pamh, flags, argv): return pamh.PAM_SUCCESS def pam_sm_chauthtok(pamh, flags, argv): return pamh.PAM_SUCCESS When I test the authentication using auth plain amltbXkAamltbXkAcmVhbC1zZWNyZXQ= I get the following response: 535 5.7.8 Error: authentication failed: no mechanism available In the postfix logs I have this: Dec 2 00:37:19 duo postfix/smtpd[16487]: warning: SASL authentication problem: unknown password verifier Dec 2 00:37:19 duo postfix/smtpd[16487]: warning: SASL authentication failure: Password verification failed Dec 2 00:37:19 duo postfix/smtpd[16487]: warning: localhost.localdomain[127.0.0.1]: SASL plain authentication failed: no mechanism available Any ideas? tl;dr Anyone have step by step instructions on how to set up PAM_Python with Postfix? Christian

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• HTTP Upload Problems

  - by jfoster

  We are running a marketplace on ColdFusion8 and IIS with a widely geographically distributed user base and have been receiving complaints of issues with some HTTP uploads. Most of the complaints are coming from geographically distant locations from our main datacenter on the US east coast. I've attempted to upload the same 70MB file from a US West coast test server to both our main site and a backup running the same code on a different network route and I saw the same issues fairly consistently in both places, so I've ruled out the code, route, and internal network errors. I've also tested uploads using both the native cf upload tag and a third party tool called SaFileUp. I saw the same issues with both upload tools, so I also don't think this is necessarily a ColdFusion problem. I don't have any problems uploading the test file from the East coast to other east coast servers, so I'm beginning to think that the distance between our users and our equipment is a factor. I've also found that smaller files are more likely to succeed than large ones (< 10MB) I tried the test upload with both IE and FF and did notice a difference in the way that the browsers seemed to handle packet errors. IE seemed to have a tough time continuing an upload after dropped / bad packets, whereas FF seemed to have the ability to gracefully resume an upload after experiencing packet problems. Has anyone experienced similar issues? Is there anything we can do on our side to make uploads more forgiving to packet loss or resumable after an error? A different upload tool etc… Do we need upload servers in more than one location to shorten the network routes between clients and servers? Does anyone think that switching uploads to SSL will help (no layer7 packet sniffing may lead to a smoother upload). Thanks.

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• Resource reference passing in puppet

  - by paweloque

  Is it possible to pass puppet resource references to other resources? My use-case is to build a jenkins build pipeline with puppet. To chain jenkins jobs into a pipeline I need to pass the successor job to a job. A subset of the definition is: jobs::build { "Build ${release_name}": release => $release_name, jenkins_jobs_path => $jenkins_jobs_path, successors => 'Deploy', } jobs::deploy { "Deploy ${release_name}": release => $release_name, jenkins_jobs_path => $jenkins_jobs_path, successors => 'Smoke Test', } In the def you see that I define the successors by name, i.e. 'Deploy' and in case of the second job 'Smoke Test'. What I'd like to do is to pass a reference to a resource and extract the name from it: jobs::build { "Build ${release_name}": release => $release_name, jenkins_jobs_path => $jenkins_jobs_path, successors => Jobs::Deploy["Deploy ${release_name}"], } jobs::deploy { "Deploy ${release_name}": release => $release_name, jenkins_jobs_path => $jenkins_jobs_path, successors => Jobs::Smoke_test["Smoke Test ${release_name}"], } And then within the jobs::deploy and jobs::build definition I'd access the resource by reference and query for it's type, etc.. Is it possible to achieve this in puppet?

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• How to set up Git on remote instance using keys from local machine?

  - by Lucas

  I have a setup where I can ssh into my remote server (ie a Google Compute instance) from my local machine. I used to be able to clone, push, and pull from a repository on my remote instance without adding any keys to my remote instance, nor adding any new keys to my repository online (just the public key from my local machine). I believe the remote instance was using the keys from my local machine to authenticate my Git pushes and pulls. However, the system broke when I reinstalled the OS on my local machine. Now I when I try to connect with the Github server from my remote instance, I get the following: Cannot clone: [lucas@ecoinstance]~/node$ git clone [email protected]:lucasExample/test.git test Cloning into 'test'... Permission denied (publickey). fatal: The remote end hung up unexpectedly Cannot push: [lucas@ecoinstance]~/node/nodetest1$ git status # On branch master # Your branch is ahead of 'origin/master' by 1 commit. # nothing to commit (working directory clean) [lucas@ecoinstance]~/node/nodetest1$ git push Permission denied (publickey). fatal: The remote end hung up unexpectedly Additional info: [lucas@ecoinstance]~/node/nodetest1$ ssh-add -l Could not open a connection to your authentication agent. [lucas@ecoinstance]~/.ssh$ ls authorized_keys known_hosts As you can see, I have no keys on my remote instance. I have never had keys on the remote, and it would push and pull just fine until I re-installed my local OS. I can still clone, push, and pull on my local machine, it is just my remote machine that cannot get authentication. My local OS is Ubuntu 14.04 and my remote OS is Debian Wheezy. Any suggestions would be great. I am not sure how to search for this concept where I can authenticate from a remote instance via my local machine, so any reference are appreciated as well.

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• MS SQL to MySQL using MySQL Migration Toolkit: permission issue

  - by Zeno

  I have a MS SQL imported into SQL Server 2008 from a .bak and I set it to Mixed mode. I have a SQL user (called "test") that can correctly access the database using SQL Server. I need to convert this to a MySQL database, so I got the MySQL Migration Toolkit. I pick "MS SQL Server" and then it asks for the hostname/username/password/database. I'm not 100% sure on these, but I used "localhost" (running on same computer), left the port as is (1433) and the username/password ("test") for the SQL Server. And I used the database name for the SQL Server database I'm looking to import. I clicked next, enter my MySQL database details and then attempt to run it and I get this error: Connecting to source database and retrieve schemata names. Initializing JDBC driver ... Driver class MS SQL JDBC Driver Opening connection ... Connection jdbc:jtds:sqlserver://localhost:1433/Orders;user=test;password=blah;charset=utf-8;domain= The list of schema names could not be retrieved (error: 0). ReverseEngineeringMssql.getSchemata :Network error IOException: Connection refused: connect Details: net.sourceforge.jtds.jdbc.ConnectionJDBC2.<init>(ConnectionJDBC2.java:372) net.sourceforge.jtds.jdbc.ConnectionJDBC3.<init>(ConnectionJDBC3.java:50) net.sourceforge.jtds.jdbc.Driver.connect(Driver.java:178) java.sql.DriverManager.getConnection(Unknown Source) java.sql.DriverManager.getConnection(Unknown Source) com.mysql.grt.modules.ReverseEngineeringGeneric.establishConnection(ReverseEngineeringGeneric.java:141) com.mysql.grt.modules.ReverseEngineeringMssql.getSchemata(ReverseEngineeringMssql.java:99) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) java.lang.reflect.Method.invoke(Unknown Source) com.mysql.grt.Grt.callModuleFunction(Unknown Source)

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