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• Automatic deployment of VNC server to remote terminals (PC's) via Remote Desktop

  - by BradyKelly

  We have several remote, unmanned terminals where I require a VNC server, as using Remote Desktop prevents others using the terminals. Often the connection to one of these is extremely slow, and manually using Remote Desktop to perform the VNC installation is painstaking. What I would like to do is build a package that I could copy onto the remote terminal using Remote Desktop, and then have the package executed to install and configure VNC when the terminal restarts, as they all automatically restart nightly. The terminals are all running Windows XP. Also, out of the many VNC variants out there, which would suit this application?

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• cloud/grid computing

  - by tom smith

  Hi guys. I'm appologizing in advance to the guys who will tell me this isn't a tech/server/IT issue! But I've been beating my head around this for a couple of days now. I'm trying figure out who to talk to, or which company I can approach to try to see if there are Grid/Cloud Computing companies who have programs setup to deal with colleges. I'm dealing with a compsci course, and we're looking at a few projects that would require a great deal of computing/computational resources. But in calling different companies (HP/Rackspace/etc..) I'm either not getting through to the right depts, or to the right people, or the companies just aren't setup for this. There are plenty of companies who have discounts for desktop software/hardware, but who in the biz deals with discounts/offerings for Cloud/Grid Computing solutions?? Any thoughts/pointers would be greatly appreciated. Thanks -tom

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• How dangerous can javascript be?

  - by CrazyJugglerDrummer

  I have recently started using noscript (in addition to ABP). It took a little while to get used to it and can occasionally require some clicking when visiting a new site to investigate why the site's not working and where I need to allow javascript from. Is the extra security worth it? Some of the controversy is discussed here. I suppose it boils down to a matter of whether javascript is a genuine threat to your computer or not. Any thoughts on this?

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• Windows 7 / Windows Vista won't connect to 802.1x RADIUS Server

  - by Calvin Froedge

  I've deployed Radius and have no problems connecting with TTLS, PEAP, or MD5 using linux, mac, and windows xp. For Windows 7 and Vista, I'm never prompted with the dialog box to enter username & password after configuring 802.1x support on the client. Steps taken: Enabled Wired Autoconfig in services.msc Set to use PEAP Set to require user authentication When I enable the network connection it says "Trying to authenticate" then fails with no error log / message given. The radius server gives no indication that there was ever a request (no Access-Reject - the client simply never tries to authenticate). On the windows 7 client, I can see that the DHCP server does not assign an IP to the client when 802.1x is enabled on the client (though it does when it isn't). How can I debug this further? Has anyone else run into a similar situation? My radius server is freeradius on Ubuntu 11.10.

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• How does bridged networking work?

  - by agz

  How does bridged networking work? I have looked through the virtualbox manuals but nothing extremely technical came up (It was just a generic gloss over of the topic) How does it assign a different ip to the virtual machine but uses the same network card? Why does this different ip (I found using ip addr under linux) not show up under the "attached devices section" of my router but I can port forward to it? How come if I connect to a password protected wifi network, it does not require me to enter my password? Is this multihoming?

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• Export GFI MailArchiver e-mails for import into Exchange 2010 SP1 Personal Archiving

  - by pk.

  We have an existing installation of GFI MailArchiver 5 with several databases of archives (perhaps 100-150GB). The goal is to export each user's archived e-mail and then import it into Exchange 2010 SP1 Personal Archives. GFI has a tool to do this, but it's very rudimentary and has severe, frankly unworkable, limitations. It only allows me to query based on the e-mail headers. Due to the fact that we have multiple aliases that may show in multiple headers (To:, Cc:), not to mention the fact that this won't cover a user's membership in a distribution group at a given point in time, this tool will not suffice. Another option is for me extract the e-mails from the GFI databases without using the tool, but this would require me to write my own tool to reconstruct them and I really would rather not go down that path. I feel very stuck on this issue. Has anyone here done a similar migration? How can this best be handled?

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• Can i upgrade Photoshop CS6 to Adobe Creative Suite 6 at a discounted price?

  - by indifferentDrum

  I've had a look around on the official Adobe Shop website, but I couldn't find a clear answer for this.. I am a freelance developer and I have recently purchased Adobe Photoshop CS6 through the Adobe.com (small/medium business site, volume licensing). However, after downloading and installing it a couple of days ago, I realised that I may require the complete 'Adobe Creative Suite 6' instead. Does anyone out there know if this it is possible to upgrade your purchase, and not just the specific product you've bought previously? I guess I'm looking for something along the lines of 'Complete My Album', but for Adobe software, so that I don't end up with two copies of Photoshop. Thanks :)

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• .htaccess has no effect

  - by Primož Kralj

  I am loosing hours with this (should-be) simple task. I want to restrict access to my website, which is on my server in /var/www/. I've created /etc/apache2/passwords file with httpasswd successfuly (user primoz). I've put .htaccess in /var/www/ and this is the content: AuthType Basic AuthName "RestrictedFiles" AuthBasicProvider file AuthUserFile /etc/apache2/passwords Require user primoz My website is still accessible. I also tried editing the /etc/apache2/sites-enabled/000-default - line AllowOverride None to AllowOverride All. No need to mention that it didn't make any changes. Should restricting really be this frustrating? EDIT: /etc/apache2/httpd.conf is empty by default because I run server on Debian - which uses apache2.conf instead. Here is the whole apache2.conf.

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• g++ in Knoppix 6 LiveCD

  - by HazyBlueDot

  To avoid the inevitable, let me put this in context. I am instructing an Intro to Unix course this semester and the students are using Knoppix 6.4.3 off the LiveCD. They are not required to install the system to their hard drive, and I would like to not require them to, however they do have use of a USB flash drive. This version of Knoppix seems to include gcc, but NOT g++. The course curriculum requires compiling C++ programs. I know I can run: sudo apt-get update sudo apt-get install build-essential to install (among other things) g++, but of course this only makes sense on a system installed to a hard drive. So my question is, can I write a script that calls gcc with appropriate options and flags to compile a C++ program that students could use in place of g++?

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• How to assign hotkeys in OSX-snow-leopard

  - by 2816

  I am trying to assign a hotkey to open a folder in snow leopard. For example, in windows i could simply press the Windows+E to open the My Computer folder (or manually assign whatever folder i wanted to open). Is there a way to get this same behavior in OSX? I want to be able to launch applications, and open folder with my own keyboard mappings. For launching applications I use automator, create a service that receives no input to 'launch application' (from the utilities library). Then i can assign a keyboard shortcut to this service. Now i can launch applications with keyboard shortcuts. I still dont know how to open a folder. I know this can be done using quicksilver - but am looking for an organic approach that does not require any additional installs.

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• Vista Enterprise doesn't find logon servers in a network with 802.1x authentication

  - by jneves

  In a network with 802.1x configuration and a samba server configured in the domain, I have a radius server that delegates the authentication against the samba domain for users (using LDAP). The radius defines which VLAN the user is supposed to have access. I'm trying to put a Windows Vista Enterprise in the same network, but it attempts to logon the domain before authenticating against the network in 802.1x and it doesn't find any logon servers. In the radius logs I see the machine trying to authenticate with 'host/'. Does Vista enterprise require that I put it in a network with access to the logon server at that point? Thanks in advance, João Miguel Neves

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• Amazon EC2 performance vs desktop

  - by flashnik

  I'm wondering how to compare performance of EC2 instances with standard dedicated servers and desktop. I've found only comparance of defferent clouds. I need to find a solution to perform some computations which require CPU and memory (disc IO is not used). The choice is to use: EC2 (High-CPU) or Xeon 5620/5630 with DDR3 or Core i7-960/980 with DDR3 Can anybody help, how to compare their performance? I'm not speaking about reliability of alternatives, I want to understand pros and cons from the point of just performance.

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• Setting the Timezone with an automated script

  - by Tom

  I'm writing scripts to automate setting up new slicehost installations. In a perfect world, after I started the script, it would just run, with no attention from me. I have succeeded, with one exception. How do I set the timezone, in a permanent (survive reboot) and sane (adjust for standard and daylight savings time, so no just forcing the date) ... manner that doesn't require input from me? Currently, I'm using dpkg-reconfigure tzdata This doesn't seem to have any way to force parameters into it. It demands user input. EDIT: I'm editing here, rather than commenting, since comments don't seem to allow code blocks. Here's the actual code I ended up with, based on Rudedog's comment below. I also noticed that this doesn't update /etc/timezone. I'm not certain who uses that, but in case anybody does, I'm setting that too. TIMEZONE="America/Los_Angeles" echo $TIMEZONE > /etc/timezone cp /usr/share/zoneinfo/${TIMEZONE} /etc/localtime # This sets the time

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• Create manual IPSec policy on Window (like spdadd and add on Linux)

  - by hapalibashi

  Hello On Linux it is possible to create an a manual IPSec (no IKE etc) tunnel thus: spdadd 192.168.0.10/32[5066] 192.168.0.11/32[5064] udp -P in ipsec esp/transport//require; add 192.168.0.10 192.168.0.11 esp 2222 -m transport -E des-ede3-cbc "123456789012123456789012" -A hmac-md5 "1234567890123456"; I need to do the same on Windows. I am aware of netsh but I don't think its equivalent, I need to specific the SPI (thats the 2222 above) and this seems impossible. Any ideas or alternatives?! Thanks, Stuart.

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• Secure Connection Failed using Firefox

  - by Saifallah

  I'm using Firefox 5 with some add-ons that require an external connection to a certain server (lastPass & Xmarks). I'm using the connection from my company, and every while & then I get a pop-up; Secure connection failed. This certificate in not trusted because the certificate issuer isn't trusted. (Error code: sec_error_untrusted_issuer) This also occurs using other versions of Firefox. Thanks in advance.

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• apache 2.4 php-fpm proxypassmatch for pretty urls

  - by tubaguy50035

  I have a URL like http://newsymfony.dev/app_dev.php/_profiler/5080653d965eb. I would like to send this script to PHP-FPM. I currently have this as my vhost: VirtualHost *:80> ServerName newsymfony.dev DocumentRoot /home/COMPANY/nwalke/www/newsymfony.dev/web/ ErrorLog /var/log/apache2/error_log LogLevel info CustomLog /var/log/apache2/access_log combined <Directory /home/COMPANY/nwalke/www/newsymfony.dev/web/> AllowOverride All Require all granted DirectoryIndex app.php </Directory> ProxyPassMatch ^/(.*\.php)$ fcgi://127.0.0.1:9003/home/COMPANY/nwalke/www/newsymfony.dev/web/$1 </VirtualHost> If I browse to app_dev.php it works just fine. But if I do app_dev.php/_profiler/5080653d965eb I get a 404 and the request never gets sent to FPM. How can I alter my ProxyPassMatch to pass anything with .php in the URL? I'm trying to do this with Symfony, but I'm pretty sure it applies to everything.

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• Are there any statistics on the number of networks using Ethernet Jumbo frames?

  - by Russell Heilling

  I am often told by Sales Engineers and Product managers that a Layer 2 Ethernet service is not fit for purpose if the maximum supported frame size is in the 1518-1522 range (enough to support standard Ethernet frames or VLAN tagged frames). Or in other words: an MTU of 1500 is not enough (see this blog post for my definition of MTU and a short rant on how the term is often misused) I am never able to get any details from them on: a) What proportion of customers (Enterprise / SMB) require Jumbo frames b) What are typical expectations on frame size for Jumbos on WAN links? 1600, 2000, 9k, etc... I know that in Telco and Data Centre environments Jumbos are pretty common, but I am after some insight as to how common this is within Enterprise and SMB networks.

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• handling long running large transactions with perl dbi

  - by 1stdayonthejob

  I've got a large transaction comprising of getting lots of data from database A, do some manipulations with this data, then inserting the manipulated data into database B. I've only got permissions to select in database A but I can create tables and insert/update etc in database B. The manipulation and insertion part is written in perl and already in use for loading data into database B from other data sources, so all that's required is to get the necessary data from database A and using it to initialize the perl classes. How can I go about doing this so I can easily track back and pick up from where the error happened if any error occurs during the manipulation or insertion procedures (database disconnection, problems with class initialization because of invalid values, hard disk failure etc...)? Doing the transaction in one go doesn't seem like a good option because the amount data from database A means it would take at least a day or 2 for data manipulation and insertion into database B. The data from database A can be grouped into around 1000 groups using unique keys, with each key containing 1000s of rows each. One way I thought I could do is to write a script that does commits per group, meaning I've got to track which group has already been inserted into database B. The only way I can think of to track the progress of which groups have been processed or not is either in a log file or in a table in database B. A second way I thought could work is to dump all the necessary fields needed for loading the classes for manipulation and insertion into a flatfile, read the file to initialize the classes and insert into database B. This also means that I got to do some logging, but should narrow it down to the exact row in the flatfile if any error occurs. The script will look something like this: use strict; use warnings; use DBI; #connect to database A my $dbh = DBI->connect('dbi:oracle:my_db', $user, $password, { RaiseError => 1, AutoCommit => 0 }); #statement to get data based on group unique key my $sth = $dbh->prepare($my_sql); my @groups; #I have a list of this already open my $fh, '>>', 'my_logfile' or die "can't open logfile $!"; eval { foreach my $g (@groups){ #subroutine to check if group has already been processed, either from log file or from database table next if is_processed($g); $sth->execute($g); my $data = $sth->fetchall_arrayref; #manipulate $data, then use it to load perl classes for insertion into database B #. #. #. } print $fh "$g\n"; }; if ($@){ $dbh->rollback; die "something wrong...rollback"; } So if any errors do occur, I can just run this script again and it should skip the groups or rows that have been processed and continue. Both these methods is just variations on the same theme, and both require going back to where I've been tracking my progress (in table or file), skip the ones that've been commited to database B and process the remaining data. I'm sure there's a better way of doing this but am struggling to think of other solutions. Is there another way of handling large transactions between databases that require data manipulation between getting data out from one and inserting into another? The process doesn't need to be all in Perl, as long as I can reuse the perl classes for manipulating and inserting the data into the database.

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• How can I handle parameterized queries in Drupal?

  - by Anthony Gatlin

  We have a client who is currently using Lotus Notes/Domino as their content management system and web server. For many reasons, we are recommending they sunset their Notes/Domino implementation and transition onto a more modern platform--such as Drupal. The client has several web applications which would be a natural fit for Drupal. However, I am unsure of the best way to implement one of the web applications in Drupal. I am running into a knowledge barrier and wondered if any of you could fill in the gaps. Situation The client has a Lotus Domino application which serves as a front-end for querying a large DB2 data store and returning a result set (generally in table form) to a user via the web. The web application provides access to approximately 100 pre-defined queries--50 of which are public and 50 of which are secured. Most of the queries accept some set of user selected parameters as input. The output of the queries is typically returned to users in a list (table) format. A limited number of result sets allow drill-down through the HTML table into detail records. The query parameters often involve database queries themselves. For example, a single query may pull a list of company divisions into a drop-down. Once a division is selected, second drop-down with the departments from that division is populated--but perhaps only departments which meet some special criteria--such as those having taken a loss within a specific time frame. Most queries have 2-4 parameters with the average probably being 3. The application involves no data entry. None of the back-end data is ever modified by the web application. All access is purely based around querying data and viewing results. The queries change relatively infrequently, and the current system has been in place for approximately 10 years. There may be 10-20 query additions, modifications, or other changes in a given year. The client simply desires to change the presentation platform but absolutely does not want to re-do the 100 database queries. Once the project is implemented, the client wants their staff to take over and manage future changes. The client's staff have no background in Drupal or PHP but are somewhat willing to learn as necessary. How would you transition this into Drupal? My major knowledge void relates to how we would manage the query parameters and access the queries themselves. Here are a few specific questions but feel free to chime in on any issue related to this implementation. Would we have to build 100 forms by hand--with each form containing the parameters for a given query? If so, how would we do this? Approximately how long would it take to build/configure each of these forms? Is there a better way than manually building 100 forms? (I understand using CCK to enter data into custom content types but since we aren't adding any nodes, I am a little stuck as to how this might work.) Would it be possible for the internal staff to learn to create these query parameter forms--even if they are unfamiliar with Drupal today? Would they be required to do any PHP programming? How would we take the query parameters from a form and execute a query against DB2? Would this require a custom module? If so, would it require one module total or one module per query? (Note: There is apparently a DB2 driver available for Drupal. See http://groups.drupal.org/node/5511.) Note: I am not looking for CMS recommendations other than Drupal as Drupal nicely fits all of the client's other requirements, and I hope to help them standardize on a single platform. Any assistance you can provide would be helpful. Thank you in advance for your help!

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• Administrator File Modification Privilege

  - by Leigh Riffel

  Windows Server 2008 apparently allows an application to somehow configure the folder so that any changes made within the folder require administrator level access. I login with an account that has administrator privileges, but is not the local administrator account. When I do so I find that I can't save changes to files opened within this folder. I know I can open the application as administrator or move the file out of the folder, make the change, then move it back in, but I'm hoping there is a better way short of disabling the protection entirely. Is there a way perhaps to remove it for the files I frequently edit?

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• Best way to duplicate databases nightly?

  - by Margaret

  Hey all We just got two new servers, that are running Windows Server 2008. The intent is to make the machines pretty much identical, copying the content of the master to the slave on a nightly basis, so that if anything fails, the second copy can stand in immediately. It doesn't need to be up-to-the-minute mirroring, though I suppose that wouldn't hurt if performance is not affected. The two machines will, amongst other things, each be running an instance of SQL Server 2008. The aim is to duplicate the databases on the master down to the slave on a nightly basis. Unless I'm misunderstanding, the slave databases in mirrored databases require the primary to be present to work correctly; I'm hoping for some solution where we have a second machine that can be up and running with minimal downtime if the first one falls over. Am I misunderstanding mirroring? Is that the best way to do things, or should I use some other mechanism? If so, what?

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• How to install cURL with openssl on ubuntu server ?

  - by Hrishikesh Choudhari

  Hey, I am having a problem with cURL here. My localhost has curl with openssl enabled, and thus my php code works fine. On running phpinfo() I get the following -- curl cURL support enabled cURL Information libcurl/7.19.5 OpenSSL/0.9.8g zlib/1.2.3.3 libidn/1.15 However, on my other office server, curl does not have openssl support enabled. On running phpinfo() I get the following -- curl cURL support enabled cURL Information libcurl/7.20.1 zlib/1.2.3.3 How do I get openssl support for curl ? Both - openssl and curl - are installed on the office server as of now. I require immediate help. Thank you.

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• How to install Autoconf on OS X from source?

  - by chacham15

  I want to install autoconf, automake, m4, automake, etc. from the source. The problem is anything that I try and install i have to rely on autoconf. Therefore, I am trying to install autoconf i get configure.ac:30: require Automake 1.11, but have 1.10 I try to install automake, the bootstrap reports: configure.ac:20: error: Autoconf version 2.68 or higher is required configure.ac:20: the top level autom4te: /usr/bin/gm4 failed with exit status: 63 aclocal.tmp: error: autom4te failed with exit status: 63 Autoconf version: autoconf (GNU Autoconf) 2.61 Automake version: automake (GNU automake) 1.10 OS X Version: 10.7.2 XCode Version: 4.2.1

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• Is my system good enough for Hotmail Junk Mail Reporting Program? JMRP

  - by Marius

  Hello there! :) Thank you for a great website! I am interested in Hotmails Junk Mail Reporting Program (JMRP). One of the requirements they have are (translated from Norwegian to English), and I wonder if I qualify: Is the IP-address you registered subject to the company name/domain name? Or do you have your own sending rights from the IP address via the hosting company (that you do not share with other senders) We ask that you attach documents supporting this. These are my details: host: smtp.sharedhostingcompany.com username: username for my email account password: my private password. email address: [email protected] Is this what they require? Thank you for your time. Kind regards, Marius

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• Need advise on choosing aws EC2

  - by Mayank

  I'm planning to host a website where in the first phase I would target 30,000 users. It is in php and runs on Apache server. I'm assuming 8,000 users can be online in worst case scenario and 1000 of them will be uploading photographs. A photograph will be resized to around 1MB at client side and one HTTP request is uploading only one photograph. My plan: 2 Small EC2 instances to run Apache httpd 2 Small EC2 instances to DB (Postgresql). I to write data and other its read replica. EBS volumes for DBs Last, Amazon S3 for uploaded photographs. My question here Is Small EC2 instance more than what I require. I mean should I go for micro Is 8000 simultaneous user a right no. (to decide what EC2 instance to choose) for a new website Or should I go for Small instance so to make it capable of spikes

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