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  • After upgrading to 12.04 lts server, the mouse is intermittently working

    - by Jason
    After this upgrade, I've had a problem with the mouse intermittently working and programs crashing (like zentyal crashing and the error reporting application crashing) I also had an error on the screen that said: "Could not grab your mouse. A malisious client may be eavesdropping on your session or you may have just clicked a menu or some application just decided to get focus. Try again." What's going on with this system? Did I really get malware that quickly? This system has been boxed up since 2011. I only did the upgrade today... In regards to the mouse I can move it around, but when I click on something, it doesn't work.

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  • Which mysql server package should I install?

    - by jim
    I just switched hosts and now have the task of reinstalling everything. I'm on CentOS now and I need to install mysql but have no idea which package to install. I can't seem to find any info on the differences either. Would anyone know? Yum is not an option as it wants to install 1.0.77 and this is too old. The machine is 64 bit.

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  • Restart an in-use NFS server without interruption (within timeout)

    - by zebediah49
    I have a bunch of compute clients working on jobs, saving output data to a NAS machine. All machines are centos 6.2. They mount it via automount NFS, with a timeout of 1200 (default config). The NAS machine needs to be restarted. If I can restart the machine within that 1200s (20 minute) window, will the clients just block on IO until it comes back up? A minor interruption (pause) in service is ok, as long as it doesn't cause the running processes to error out. If necessary I could loop through and SIGSTOP all job processes, restart and resume them -- I just don't want to break the open file handles. How can I run a restart like this without killing processes with open files?

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  • Apache: Setting up local test server with subdomains

    - by RC
    Hi everyone, I have XAMPP running on my desktop machine, and I do all my work on it with no issue. http://localhost ---> points to public_html http://site1.localhost ---> points to site 1 http://site2.localhost ---> points to site 2 http://site3.localhost ---> points to site 3 Entering the above URLs in my web browser on the machine with Apache works great, and I can work on multiple sites within distinct subdomains. But what I want to do now is to transfer Apache and all the files to another Windows 7 machine within the LAN, but still be able to view the subdomains from my main development machine. With a vanilla XAMPP installation on the new hosting machine, entering the IP address of that machine (e.g. 192.168.1.10) into my development computer would send me to the main public_html folder. But how do I set up subdomains such that I can access it externally? For example, http://site1.devmachine Thanks for any help.

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  • How to make Nginx fire 504 immediately is server is not available?

    - by Georgiy Ivankin
    I have Nginx set up as a load balancer with cookie-based stickiness. The logic is: If the cookie is NOT there, use round-robbing to choose a server from cluster. If the cookie is there, go to the server that is associated with the cookie value. Server is then responsible for setting the cookie. What I want to add is this: If the cookie is there, but server is down, fallback to round-robbing step to choose next available server. So actually I have load balancing and want to add failover support on top of it. I have managed to do that with the help of error_page directive, but it doesn't work as I expected it to. The problem: 504 (and the fallback associated with it) fires only after 30s timeout even if the server is not physically available. So what I want Nginx to do is fire a 504 (or any other error, doesn't matter) immediately (I suppose this means: when TCP connection fails). This is the behavior we can see in browsers: if we go directly to server when it is down, browser immediately tells us that it can't connect. Moreover, Nginx seems to be doing this for 502 error: if I intentionally misconfigure my servers, Nginx fires 502 immediately. Configuration (stripped down to basics): http { upstream my_cluster { server 192.168.73.210:1337; server 192.168.73.210:1338; } map $cookie_myCookie $http_sticky_backend { default 0; value1 192.168.73.210:1337; value2 192.168.73.210:1338; } server { listen 8080; location @fallback { proxy_pass http://my_cluster; } location / { error_page 504 = @fallback; # Create a map of choices # see https://gist.github.com/jrom/1760790 set $test HTTP; if ($http_sticky_backend) { set $test "${test}-STICKY"; } if ($test = HTTP-STICKY) { proxy_pass http://$http_sticky_backend$uri?$args; break; } if ($test = HTTP) { proxy_pass http://my_cluster; break; } return 500 "Misconfiguration"; } } } Disclaimer: I am pretty far from systems administration of any kind, so there may be some basics that I miss here. EDIT: I'm interested in solution with standard free version of Nginx, not Nginx Plus. Thanks.

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  • Are my web server permissions for uploading correct?

    - by user1699176
    I'm on debian and I have my website in the directory /srv/www/mysite.com/public_html I set chown for www-data:www-data on /srv/www. I have root disabled and created a sudo user which is id 1000:1000. I would also like to use this user to upload to /srv/www so I added my sudo user to the www-data group. I originally got a message saying that I didn't have permissions to upload a file to that directory. After playing around with multiple permissions for a while I finally was able to upload properly, but I'm not sure if this set up is correct. I'm hesitant to change it for now since it actually works, so I thought I'd ask for advice. I think what I ended up doing was this: sudo chown -R www-data:www-data /srv/www sudo chmod g+s /srv/www sudo usermod -aG www-data myuser sudo chgrp -R www-data /srv/www sudo chmod -R g+w /srv/www When I was finally able to successfully upload a file (with FileZilla) it showed the owner as myuser myuser. Shouldn't it have been www-data myuser? My question is whether this is correct and if there are any potential security issues? For example, I wasn't sure if I was actually supposed to use "myuser" to own the /srv/www directory instead sudo chown -R myuser:myuser /srv/www or maybe sudo chown -R www-data:myuser /srv/www If you need more info, let me know, thanks.

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  • Transfer iptables rules to another server (almost) real time

    - by MrShunz
    I'm running 2 cPanel servers with ConfigServer Security & Firewall plugin. One of the functions of the plugin is to block via iptables (temporarily and/or permanently) IPs which fail various authentications (POP3/IMAP, SMTP, FTP, webmail, mod_security and such). Now, i'd like to push those IP blocks to the border router to drop packets as soon as possible (and doing so protecting the other machines on the network). Keep in mind that after N failed logins IP is blocked for 5 minutes, then re-allowed. If multiple bans occours in an hour IP is blocked permanently and should be unlocked "by hand". So I need a near realtime solution. What I'm looking for is a better way than firing some cronjobs both on cPanels and border router to: dump the rules to file transfer the file to border router (via scp/sftp) load the rules from the file in the border router I'm aware that I will need some scripts to parse and modify the rules as cPanels have one ethernet interface and some aliases while border router has two ehternet interfaces and some loopbacks. All machines involved use Linux. EDIT as per @pjmorse comment. The plugin consists of a bunch of perl and config files. The part I'm intrested in is a process which scans logfiles (lfd) and installs iptables rules (and sends an alert email). Fact is, it upgrades quite often (one or two times a week) and itself is 7000 lines of perl so I'm not comfortable on tampering with it.

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  • How to share internet over network

    - by abc
    i have a machine connected to internet, i want to set up proxy server or any other configuration that can help me to share internet over other machines in the same network machine may be of diff. platform (linux,mac, , windows), and server can be (either linux or windows) so how to configure now.. all machine are in network. Thanks

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  • Not able to delete file from the server?

    - by kvijayhari
    I've a file called piture-list.php in my website... When i see them through the ftp client it shows two files with different filesizes.. as File name filesize picture-list.php 19818 picture-list.php 9063 When i select the file with 9063 and delete using ftp it deletes the file with the filesize 19818 then i used the command prompt to list files and happened to see actually there were two files one with the original name and other with a space before the filename (" picture-list.php").. I tried to move, delete the file but nothing is successful.. What may be the issue??

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  • MySQL Replication fix after server shutdown/start

    - by Jagbir
    Server1 is Master Server2 is Slave Both are in our AWS testing env and we stop them once done with our work. When start again, Master rotates/creates new binary log file but slave keep looking for same/existing one and replication stops. Right now, I'm manually repairing it by (slave): stop slave; CHANGE MASTER TO MASTER_HOST='xx', MASTER_USER='xxx', MASTER_PASSWORD='xxx' , MASTER_LOG_FILE='new-mysql-bin.00000x',MASTER_LOG_POS=107; start slave; show slave status\G and slave becomes good again.Mysql is 5.5.x on Ubuntu 12.04. Will appreciate any help in automating it.

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  • Server redirect

    - by Tyy
    I have asp.net app XYZ which requires SSL. I am supposed to work with IIS that has only one Web Site - DefaultWebSite - containing multiple apps and virtual directories (3rd party). So, my app is located at domain.com/XYZ. I have to meet these conditions: 1.) requesting DefaultWebSite (domain.com) will run my app. It could redirect to ../XYZ, but I would rather not to. If it has to be done this way, requesting DefaultWebSite or my app over both HTTP and HTTPS will always ends up with redirecting to https://domain.com/XYZ 2.) I can't touch any other apps or virtual directories, can't create additional Web Site, can't set DefaultWebSite to require SSL, ... EDIT: 3.) transmitted data (GET or POST) must be preserved I tried to: set Web Site root directory to my app, but it this caused other apps to crash because of my Web.config (not sure why). set up HTTP redirect on DefaultWebSite to https://domain.com/XYZ. This seems to work correctly, but this doesn't work if user requests my app directly (redirected to domain.com/XYZ/XYZ, or redirect loop). set up Default Document, but this seems to work only if it is located in the Web Site root directory. I know I could write simple .aspx with Response.Redirect, but... is there any better solution? Am I missing something?

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  • How to get a subdomain to point a different server than the main domain

    - by alexchoi
    I have a site at say: foo.com and I would like the subdomain blog.foo.com to point to fooblog.com blog.foo.com - fooblog.com However, our DNS provider says that if we do an alias such as that, since the provider at fooblog.com does not recognize the name blog.foo.com. We asked if we could just point blog.foo.com at the IP address of fooblog.com and they say the same problem will occur. Any advice? Due to our configuration we can't really put the blog on foo.com. We are willing to move our hosting and even our domain name hosting if necessary. -- Yes, I am a n00b when it comes to DNS.

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  • Microsoft publie Windows Server 2012 R2, avec System Center 2012 R2 et la mise à jour de Windows Intune

    Microsoft publie Windows Server 2012 R2 avec System Center 2012 R2 et la mise à jour de Windows Intune Au lendemain du lancement grand public de Windows 8.1, Microsoft a annoncé la disponibilité générale de ses solutions serveur Windows Server 2012 R2, Hyper-V Server 2012 R2, Windows Server 2012 R2 Essentials, Windows Intune et System Center 2012 R2.Windows Server 2012 R2 renforce la vision « Cloud OS » introduite par son prédécesseur, pour permettre aux entreprises de déployer et administrer...

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  • ruby on rails server is intermittently slow

    - by Richard
    My rails installation was chugging along nicely. Last night we had to perform a hot-patch with was really a standard deploy of some exception code. Once capistrano finished the operation one of our admins discovered that there were two long running passenger processes. While we have deployed release over the past two weeks it would appear that these processes have been here and alive the whole time. Granted they could have been zombies or any other artifact and at this point we do not know what state they were in. Which leads me to the question: There are so many moving parts between the rails application and the OS/hardware that being a SME is probably no longer possible. So; how does a sysadmin perform root-cause analysis with any certainty? And: When do I just start rebooting servers?

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  • Plus sign ( + ) in a rewrite rule (.HTACCESS on Linux Server) (SOLVED)

    - by ienabellamy
    i've this snippet, but it doesn't works. Obviously is that plus sign + tha must be escape ? RewriteCond %{QUERY_STRING} ^orderby=position&controller=search&orderway=desc&search_query=t+max$ RewriteRule ^it/cerca$ http://www.wrs.sm/it/cerca?orderby=position&controller=search&orderway=desc&search_query=tmax? [R=301,L] i want to redirect this url http://www.wrs.sm/it/cerca?orderby=position&controller=search&orderway=desc&search_query=t+max to this http://www.wrs.sm/it/cerca?orderby=position&controller=search&orderway=desc&search_query=tmax Thanks ;) I found the solution, the correct rules are: RewriteCond %{QUERY_STRING} ^orderby=position&controller=search&orderway=desc&search_query=t\+max$ RewriteRule ^it/cerca$ http://www.wrs.sm/it/cerca?orderby=position&controller=search&orderway=desc&search_query=tmax [R=301,L]

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  • Access server by hostname without domain

    - by projectshave
    I want to access services on other machines on my home network with just their hostname. In every browser, "http://machine" fails, but adding a period in "http://machine./" works. Is there a way to avoid adding that extra period? My setup is a router with DD-WRT w/ DNSmasq turned on, Win7 machines and several Ubuntu VMs. nslookup works fine with just hostname. Remote desktop works, but TightVNC needs the extra period. ssh needs the period. As I said, all my browsers need the extra period. I'd prefer a solution that doesn't require manually maintaining the hosts file. Thanks.

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  • How can I get a windows server to collate and email 4 daily reports/graphs for server performance

    - by Glyn Darkin
    I run a windows 2008 webserver and would like to setup the most basic performance monitoring in the world. What i would like is: a plot of ASP.Net request time for each w3wp process for a 24hour period a plot of CPU% utilisation for each w3wp process for a 24hour period a plot of Memory utilisation for each w3wp process for a 24hour period a plot of network utilisation for each w3wp process for a 24hour period a plot of disk utilisation for each w3wp process for a 24hour period I would these plots to be emailed to me each morning. Anybody know what is the simplest way to set this up? Thanks for your help in advance. Glyn

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