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  • Looking at desktop virtualization, but some users need 3D support. Is HP Remote Graphics a viable solution?

    - by Ryan Thompson
    My company is looking at desktop virtualization, and are planning to move all of the desktop compute resources into the server room or data center, and provide users with thin clients for access. In most cases, a simple VNC or Remote Desktop solution is adequate, but some users are running visualizations that require 3D capability--something that VNC and Remote Desktop cannot support. Rather than making an exception and providing desktop machines for these users, complicating out rollout and future operations, we are considering adding servers with GPUs, and using HP's Remote Graphics to provide access from the thin client. The demo version appears to work acceptably, but there is a bit of a learning curve, it's not clear how well it would work for multiple simultaneous sessions, and it's not clear if it would be a good solution to apply to non-3D sessions. If possible, as with the hardware, we want to deploy a single software solution instead of a mishmash. If anyone has had experience managing a large installation of HP Remote Graphics, I would appreciate any feedback you can provide.

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  • web based source control management software [closed]

    - by tom smith
    hi. not sure if this is the right place, but hopefully someone might have thoughts on a solution/vendor. Starting to spec out a project that will require multiple (50-100) developers to be able to manipulate source files/scripts for a large scale project. The idea is to be able to have each app go through a dev/review/test process, where the users can select (or be assigned) the role they're going to have for the given app. I'm looking for web-based, version control, issue tracking, user roles/access, workflow functionality, etc... Ideally, the process will also allow for the reviewed/valid app to then be exported to a separate system for testing on the test server/environment. This can be hosted on our servers, or we can do the colo process. I've checked out Alassian/Collabnet, but any thoughts you can provide would me appreciated as well. thanks

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  • Why am I getting 'undefined method' exceptions when executing 'run_list add', 'run_list remove' and 'rackspace server delete'?

    - by Peter Groves
    [Originally posted this to opscode forum, got no response] I’m testing out a free hosted chef-server account and multiple subcommands are failing with ‘Unexpected Errors’. Perhaps my version and the server version are incompatible? OS: Ubuntu 12.04LTS Local Chef: 10.12.0 (Installed through gem) Local Ruby: 1.8.7 Also, the workstation machine has been manually configured, but the client(s) I’ve been experimenting with are launched with the Rackspace plugin (using ‘knife rackspace server create…’) The problem commands seem to fail when talking to the host chef-server, however, before it ever tries to modify the client, so I don’t believe that’s where the problem exists. The virtual-servers that are launched by ‘knife rackspace server create’ are launched properly but then deleting them with knife fails. If I include a recipe in the run_list when I create the server, the recipe is properly added to the run_list. If I try to add it later or remove the one that there server was initialized with, those commands fail. Here is the output of a few relevant commands (with stacktraces): https://gist.github.com/7100ada3fd6690113697

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  • puppet agent doesn't retrieve files from master

    - by nicmon
    I have a very basic question regarding to Puppet 3.0.1 configuration. I setup a puppet master server (CentOS) with 2 agents (CentOS and Windows 7), all 3 can ping and access each other. There is no error at all. I have copied a file under /etc/puppet/files/test2.txt my site.pp (/etc/puppet/manifests) contains these lines: node default { include test file { "/tmp/testmaster.txt": owner => root, group => root, mode => 644, source => "puppet:///files/test2.txt" } } but there will no file be created on agent servers under /tmp/ once I run "puppet agent --test" here is the output: [root@agent1 ~]# puppet agent --test Info: Retrieving plugin Info: Caching catalog for agent1.mydomain.com Info: Applying configuration version '1354267916' Finished catalog run in 0.02 seconds "puppet apply /etc/puppet/manifests/site.pp" creates the testmaster.txt under /tmp/ on master.

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  • how install minimum domain email piping to script in centos?

    - by Adam Ramadhan
    hello i have search google on a simple tutorial on how to make a piping email. first how does really email technically work? "stmp is a process that binds to 25, waiting for email request that goes in from another stmp process(in another server) determined by the domain MX route that will send the message to port 25 if any email goes though the MX.domain.tld" that is in a nutshell how emailing work, am i right? or there is something wrong here? second, so if im right, we need to set a SMTP server so we can receive incoming emails from MX SMTP route right? ive googled though google and found two best STMP servers from my opinion, they are EXIM and POSTFIX, can anybody give us a simple tutorial installing and setting up an email piping for a fresh installed linux/centos? example *.domain.tld -> allinonepipe.php thanks.

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  • nginx static file buffer

    - by Philip
    I have a nfs which several frontend-servers are connected to for making the files stored on the nfs available for http downloads. It looks like I have problems with the way apache is serving the files, there seems to be a very small buffer or no buffer at all which results in a lot disk seeks. I did some testing with loading the whole requested file into memory at once and serve it to the client from memory. With this technique I need less disk seeks for a download stream. Since I don't want to implement this by myself for production use I thought that I could maybe use nginx for that because the documentation says that it uses buffers for static file serving. Is it possible to increase the buffer size to a few mb, if so which config parameter do I have to change for this? Has anyone experience with large buffers for static file serving? Is there a better way to reduce disk seeks?

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  • How can I determine whether an Antivirus product is installed?

    - by Chris Lively
    We have a large installation with over 15,000 machines. They are supposed to have a version of Trend Micro installed; however, we don't know that for sure. These are all Windows boxes which includes XP with various SP levels, Vista both RTM and SP1, and several 2000 and 2003 servers. How can I determine: Whether ANY AV product is installed? What version of the product is installed? What version of the pattern file is on the box? Ideas? Thanks,

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  • Looking for a good free or cheap task tracking system

    - by JWood
    I've finally decided that pen and paper/whiteboards are not up to the job as my workload increases so I'm looking for a good task tracking system. I need something that can track tasks in categories (projects) and allow me to assign priority to each task. I've tried iTeamWork which requires projects to have an end time which is no good for me as at least one of my projects is ongoing. I also tried Teamly which was required tasks to be set to a specific day which is no good as tasks sometimes take more than a day and I would like them organised by priority rather than specific days. Preferably looking for something hosted but I'm happy to install on our servers if it supports PHP/MySQL. Oh, and an iPhone client would be the icing on the cake! Can anyone recommend anything?

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  • How to make WinServer's AD work with Linux DNS/DHCP on VMware?

    - by Borald
    Hope you're fine. I got 2 virtual machines : Windows Server 2008 with Active Directory installed. Linux that works as a DNS and DHCP Server I need to make them work together, but I don't if this is going to be possible because VMWARE is sharing the NIC with other virtual machines and computer itself. I've assigned different IP static adresses to the servers. Is there a way for me to make these things get interconnected and test them on some virtual clients ? Any help will be much appreciated... (useful links,tutorials,..) Thanks in advance !

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  • Recommended Tape Library Backup software

    - by D4
    Hi, I recently "inherited" a Tape Library (Powevault 136T / Scalar 100). and I was asking for some advise on the backup software to manage the Library. My goal is to be able to manage backups of all my servers (linux and Windows) and also backup VIP´s laptop computers over the network. I am hoping for a GUI application since I will not be the one managing the process after a couple of months... Any idea is more than welcome... thanks in advance....

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  • HTTPS vs. VPN for communication between business partners?

    - by Andrew H
    A business partner has asked to set up a site-to-site VPN just so that a few servers can communicate with each other over HTTPS. I'm convinced this isn't necessary, or even desirable. To be fair it must be part of a wider policy, potentially even a legal requirement. However I'd like to convince them to simply offer an IP to us (and us only) and a port of their choosing for HTTPS. Has anyone had a similar experience, or had to come up with a cast-iron argument against a VPN? Allow me to expand a little - we have a web service that initiates a connection to the partner's corresponding service using an encrypted HTTP connection. The connection uses a client certificate to authenticate. The connection is firewalled so only our IPs can contact the service. So why is a VPN necessary?

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  • does wordpress auto update work without a cron job?

    - by perler
    I'm a bit on a loss here. Since WP 3.7 you can update your wordpress automatically. Since then it's more hit and miss on several servers here. I would like to understand, if it is enough to enable automatic updates described here and how this would work without a cron job. I'm under the impression right now, that the upgrade is only started, when ever someone logs into the backend, is this correct? If so, is there a way to automate the updates via a cron job?

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  • Staying on a registered-only IRC channel

    - by rwallace
    Freenode, like other IRC servers, has the property that one's connection will drop at the slightest hiccup. Fortunately mIRC knows to automatically reconnect when this happens. The problem lies with some channels such as #ai, which cannot be joined unless one's nickname is registered. mIRC doesn't know how to send the password to NickServ, and even if it did, at the time it reconnects, the original connection is still present on the server as a ghost; it doesn't know to wait a few minutes for the original connection to be garbage collected; thus it is not able to stay on such channels. Is there a way to solve this problem either with mIRC or some other IRC client that runs on Windows?

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  • Can't access dfs namespace over vpn

    - by cpf
    Hi Serverfault, I've recently configured 2 servers in AD on the same domain level. They are physically separated and permanently connected through a site-to-site vpn for dfs replication. All well, but when users connect to either site through vpn (from home e.g.) they can't use the domain level method: \\domain.com\data Internally this works perfectly, resolving domain.com when connected through vpn gets the correct IP. I've tried Google to figure things out. What I was able to find was that more people have this issue, no real solution found though. Can anyone explain why this is happening? Especially a solution would be really helpful! Thanks in advance.

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  • how to create a simple radio station [on hold]

    - by John
    I've been digging around for ages but not getting very far so any links or tips would be massively appreciated. I want to create a central "radio station" in my home to stream one playlist to any computers pointing their browser to the ip within my internal network. I have an old mini slave mac mini running ubuntu and was originally thinking I could get php and apache to handle this but then quickly realised that of course, php will serve out streaming independently per connection ie no radio station. Are there any servers already built for this sort of behaviour? is shoutcast one of the only versions Thanks, John

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  • Web Server Users - Best Practice

    - by Toby
    I was wondering what is considered best practice when several developers/administrators require access to the same web server. Should there be one non-root user with a secure username and password unqiue to the web server which everyone logs in as or should there be a username for each person. I am leaning towards a username for each person to aid in logging etc however then does the same user keep the same credentials over several servers, or should at least their password change depending on the server they are on? Should any non-root user of the system be added to the sudoers file or is it best practice to leave everyone off it and only let root perform certain tasks? Any help would be greatly appreciated.

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  • Web Server Users - Best Practice

    - by Toby
    I was wondering what is considered best practice when several developers/administrators require access to the same web server. Should there be one non-root user with a secure username and password unqiue to the web server which everyone logs in as or should there be a username for each person. I am leaning towards a username for each person to aid in logging etc however then does the same user keep the same credentials over several servers, or should at least their password change depending on the server they are on? Should any non-root user of the system be added to the sudoers file or is it best practice to leave everyone off it and only let root perform certain tasks? Any help would be greatly appreciated.

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  • Apache expands REQUEST_FILENAME with filetype

    - by Lauer
    I have a .htaccess fil on a Apache22 server. RewriteEngine On RewriteBase / RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.+)$ /index.php?p=$1 [L] The idea is when the request is /testpage it should be rewritten to /index.php?p=testpage. The problem is that apache does a write before my file, so the actually request is testpage.xml which actually does exists. Therefore, the first RewriteCond is newer true, and my rewrite rule is never applied on the /testpage request. There server should be a standard setup on a FreeBSD server. I know this work on other servers.

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  • Eliminate default SSL certificate

    - by microchasm
    I'm setting up a server for local access. I created a CA and have SSL certs signed and working on other domains. The problem is I'm trying to create a cert for a domain name that is the same as the host name? I copied the steps to make the cert for the other domain, but when I create and sign this cert, and modify httpd.conf with the path to the cert and key, the localhost.localdomain cert seems to be taking precedence. In other words, when I view the cert in firefox, it is the localhost.localdomain cert instead of the one I just created. I looked at ssl.conf, and tried to change the default path to the one issued, and I tried to comment out the VirtualHost, but neither worked. How can I override the servers default certificate with the one I issued and signed? Thanks.

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  • Adding a MySQL StoredProcedure causes not responding state

    - by Omie
    I'm on Windows 7 ultimate 32bit + xampp 1.7.2 [MySQL v5.1.37] This is my stored procedure : delimiter // CREATE PROCEDURE updatePoints(IN parentid INT(5),IN userid INT(5)) DECLARE chpoints INT(5); BEGIN SELECT points INTO chpoints FROM quiz_challenges WHERE id = parentid; UPDATE quiz_users SET points = points + chpoints WHERE forumid=userid; END; // delimiter ; At first it was showing error 1064 while creating stored procedure. I added delimiters part and when I tried running the query from phpmyadmin, Firefox went into not responding state. After that I started Internet Explorer and tried opening my pages which use the same database, it worked fine. However, I tried opening phpmyadmin and IE went into not responding state as well. I restarted both servers. Later restarted PC. Tried again but its same behavior. So whats wrong with this tiny little code ? Am I missing something which might be causing infinite loop ? Thanks

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  • Is it safe to use consumer MLC SSDs in a server?

    - by Zypher
    We (and by we I mean Jeff) are looking into the possibility of using Consumer MLC SSD disks in our backup data center. We want to try to keep costs down and usable space up - so the Intel X25-E's are pretty much out at about 700$ each and 64GB of capacity. What we are thinking of doing is to buy some of the lower end SSD's that offer more capacity at a lower price point. My boss doesn't think spending about 5k for disks in servers running out of the backup data center is worth the investment. Just how dangerous of an approach is this and what can be done to mitigate these dangers?

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  • Why isn't VIM storing macros across sessions?

    - by dotancohen
    In VIM 7.3 on Ubuntu Server 12.04.1, VIM forgets macros and registers after closing. I do have set nocompatible in .vimrc and the command :set viminfo? gives this result: viminfo='100,<50,s10,h What might be preventing the macros and registers from being stored across close / open? Note that I am not interested in storing mappings for long term use in .vimrc. Rather, sometimes (such as during refactoring) I need to perform a simple operation on a few files and I find it easier to do in VIM than with Perl. I just need the macros and registers stored across open / close, which I do have working on other servers. Thanks.

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  • Nothing is written in php5-fpm.log

    - by jaypabs
    I have two servers which is Ubuntu 12.04 and Ubuntu 14.04. When I use Ubuntu 14.04 in my new server and enabled the php-fpm log file found under /etc/php5/fpm/php-fpm.conf that reads as follows: error_log = /var/log/php5-fpm.log I noticed that most of the log that I found in Ubuntu 12.04 is not written in 14.04. For example, if I restart php5-fpm in my Ubuntu 12.04, a restart log is being written, however, this does not happen in 14.04. Another log which I missed in 14.04 are the following: [23-Aug-2014 16:23:03] NOTICE: [pool web42] child 118098 exited with code 0 after 12983.480191 seconds from start [23-Aug-2014 16:23:03] NOTICE: [pool web42] child 147653 started [23-Aug-2014 17:27:31] WARNING: [pool web8] child 76743, script '/var/www/mysite.com/web/wp-comments-post.php' (request: "POST /wp-comments-post.php") executing too slow (12.923022 sec), logging I really wanted to have this kind of log so I will know the length of time a slow script has executed. Does anyone know if there are other settings in Ubuntu 14.04 that I need to change in addition to /etc/php5/fpm/php-fpm.conf?

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  • Distributed website server redundancy

    - by Keith Lion
    Assume a website infrastructure is very complicated and is fully distributed (probably like most large web companies). Am I right in thinking that although there are all these extra web servers to handle multiple client requests, there is still a single "machine" whereby users must enter? I am guessing this machine will be the one physically associated to the IP address? I ask because I need to know whether, in places where distributed systems exist, there is still a single point of failure- usually the control node or, in this example, the machine connected to the public internet? Surely there cannot be two machines connected to the internet, as they would have to have different IP addresses? This "machine" may not be a server per se, but maybe it is a piece of cisco equipment. I just need to know whether, in the real world, these distributed systems still have a particular section where they depend on the integrity of one electronic device?

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  • Transferring Postfix install to new computer

    - by mlissner
    I have postfix installed on one computer, with DKIM and SPF working properly. What I'd like to do is start using a different computer instead, with the minimal amount of fuss. Mail servers have a way of baffling me, but I know there are things with cryptography going on here that I don't fully understand (and I don't really care to - I figured it out when I set up the last computer about a year ago, and am happy not to delve into it again). Right now, I'm working on the early steps of this process -- installing postfix on the new machine, and getting it going. Are there specific steps I could take to move the correct configs and key files and such to the new computer?

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