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  • Any good resources on setting up an ubuntu virtual machine for web development?

    - by Relequestual
    I'm currently on my placement year at uni with 4 months left. Before working at my current place, I have not used a nix environment for web development and have used WAMP. Over the past year I have found some very interesting new tech that requires a bit more than my shared hosting even to play with (eg node.js, RoR 3). At work we use a Virtual Machine for development, but that's all been set up and configured to match the live servers, and is managed with a Puppet server. Are there any really good resources for setting up and configuring an Ubuntu VM as a web server? Work currently uses Ubuntu so I would assume this is a good OS to use. I do of course know how to use google, but the noise ratio is just too big, so thought I'd ask here, as I know many of you will have a ton of bookmarks. Cheers.

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  • SVN - Server sent unexpected return value (500 Internal Server Error)

    - by person
    I'm using RabbitVCS to work with Google Code, and I just recently started having problems with trying to commit. Whenever I try to commit, it says... Commit failed Server sent unexpected return value (500 Internal Server Error) in response to Checkout request for (some file that is involved in the commit. The file it fails on isn't consistent). I have no idea what is wrong, any help is appreciated, thanks.

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  • Fixing Broken Groups

    - by themaestro
    Hey, I just got onto a new project with the student government at my University and we're trying to get our webserver into a more workable state. The current problem is that all of us for some reason have sudo power on the server, but we can't write/create files anywhere on the server (as far as we can tell) currently. Our groups are currently as follows: /srv/ice/db$ groups goshri sshamim rmenezes goshri : goshri sshamim : sshamim ptx rmenezes : rmenezes ptx daifotis : daifotis ptx We added a few of us to ptx because we thought that might give us write access but it didn't. We have a bunch of webapps running on this server but since it's university things change hands quickly. What can we do to give us read access?

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  • Can't ping Ip over bridge

    - by tmn29a
    I'm unable to ping another host over a bridge I created, I can't see the error -.- It's a remote machine running debian stable with some backports for which I want to set up DHCP on the new Subnet 172.30.xxx.xxx to be used for KVM-Guests. ifconfig : bond0 Link encap:Ethernet HWaddr e4:11:5b:d4:94:30 inet addr:10.54.2.84 Bcast:10.54.2.127 Mask:255.255.255.192 inet6 addr: fe80::e611:5bff:fed4:9430/64 Scope:Link UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1 RX packets:34277 errors:0 dropped:0 overruns:0 frame:0 TX packets:18379 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:2638709 (2.5 MiB) TX bytes:2887894 (2.7 MiB) br0 Link encap:Ethernet HWaddr f2:fc:4d:7f:15:f0 inet addr:172.30.254.66 Bcast:172.30.254.127 Mask:255.255.255.192 inet6 addr: fe80::f0fc:4dff:fe7f:15f0/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:252 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:10800 (10.5 KiB) Pings : ping -I br0 172.30.xxx.65 PING 172.30.xxx.65 (172.30.xxx.65) from 172.30.xxx.66 br0: 56(84) bytes of data. --- 172.30.xxx.65 ping statistics --- 3 packets transmitted, 0 received, 100% packet loss, time 2017ms ping -I bond0 172.30.254.65 PING 172.30.xxx.65 (172.30.xxx.65) from 10.54.2.84 bond0: 56(84) bytes of data. 64 bytes from 172.30.x.65: icmp_req=1 ttl=64 time=0.599 ms 64 bytes from 172.30.x.65: icmp_req=2 ttl=64 time=0.575 ms 64 bytes from 172.30.x.65: icmp_req=3 ttl=64 time=0.565 ms --- 172.30.x.65 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 1999ms rtt min/avg/max/mdev = 0.565/0.579/0.599/0.031 ms Route : Destination Gateway Genmask Flags Metric Ref Use Iface 172.30.x.64 * 255.255.255.192 U 0 0 0 br0 10.54.x.64 * 255.255.255.192 U 0 0 0 bond0 default 10.54.x.65 0.0.0.0 UG 0 0 0 bond0 default 172.30.x.65 0.0.0.0 UG 0 0 0 br0 The Interface : cat /etc/network/interfaces auto lo br0 iface lo inet loopback # Bonding Interface auto bond0 iface bond0 inet static address 10.54.x.84 netmask 255.255.255.192 network 10.54.x.64 gateway 10.54.x.65 slaves eth0 eth1 bond_mode active-backup bond_miimon 100 bond_downdelay 200 bond_updelay 200 iface br0 inet static bridge_ports bond0 address 172.30.x.66 broadcast 172.30.x.127 netmask 255.255.x.192 gateway 172.30.x.65 bridge_maxwait 0 If you need more info please ask. Thanks for your help !

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  • KVM-Guest does not boot: qemudParsePCIDeviceStrs

    - by markus
    I have a Server running Ubuntu 10.10 Server-Edition kvm, and libvirt (both ubuntu-native packages) HDD-Partitioning was done with LVM. Then I created some VMs with Virt-Manager and assigned LVM-Volumes to the VMs. Now the VMs do not boot. Virt-Manager shows a CPU-Usage of 100% for this Guest and the VNC-Connection states Booting from Hard Disk The VM-specific logfiles do not show any abnormality only syslog shows a warning warning : qemudParsePCIDeviceStrs:1422 : Unexpected exit status '1', qemu probably failed What can I do to find the error?

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  • CSF Unresolved issue

    - by josephmarhee
    I began receiving service failures for CSF/LFD once the limit was reached in iptables preventing the service from working properly. I flushed all iptables rules, and redid by rules using CIDR rather than the individual IPs that were listed and the issue persists. Error: The VPS iptables rule limit (numiptent) is too low (1527/1536) - stopping firewall to prevent iptables blocking all connections, at line 1459 This is after restarting CSF, which gave me: You have an unresolved error when starting csf. You need to restart csf successfully to remove this warning CSF still seems to be trying to enforce rules that no longer exists (lists entire chains upon trying to be restarted,only to fail with that error). Any idea of what's going on?

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  • Compiz: Switching focus by application instead of by window

    - by Ivan Vucica
    I got used to OS X way of doing things (separate shortcuts for switching between applications and switching between current application's windows). Is there a way to get Compiz to have a shortcut (such as Super+Tab) to switch between applications ("window groups") instead of between windows? I already got the "Scale" plugin (an expose clone) to display only windows from current window group, proving there is a way to group by application, but I cannot find a way to get the "Application Switcher" to switch between these groups instead of between windows themselves.

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  • My server keeps sending emails to [email protected]

    - by xtrimsky
    When I type mailq on my server, I get: BB523653A62 4025 Wed Jun 4 10:40:07 MAILER-DAEMON (delivery temporarily suspended: host p3smtpout.secureserver.net[208.109.80.54] refused to talk to me: 554 p3plsmtpout002.prod.phx3.secureserver.net : DED : AJeb1o0334uf1Y801 : DED : You've reached your daily relay quota - IP.ADDRESS) [email protected] B33AD653A4A 4025 Wed Jun 4 08:20:07 MAILER-DAEMON (delivery temporarily suspended: host p3smtpout.secureserver.net[208.109.80.54] refused to talk to me: 554 p3plsmtpout002.prod.phx3.secureserver.net : DED : AJeb1o0334uf1Y801 : DED : You've reached your daily relay quota - IP.ADDRESS) [email protected] B77DF653A63 4025 Wed Jun 4 10:50:07 MAILER-DAEMON (delivery temporarily suspended: host p3smtpout.secureserver.net[208.109.80.54] refused to talk to me: 554 p3plsmtpout001.prod.phx3.secureserver.net : DED : AJvF1o00L4uf1Y801 : DED : You've reached your daily relay quota - IP.ADDRESS) [email protected] B943C653A3C 4025 Wed Jun 4 06:40:07 MAILER-DAEMON (delivery temporarily suspended: host p3smtpout.secureserver.net[208.109.80.54] refused to talk to me: 554 p3plsmtpout001.prod.phx3.secureserver.net : DED : AKBv1o00P4uf1Y801 : DED : You've reached your daily relay quota - IP.ADDRESS) [email protected] (there is probably about 50 of these, and I've cleared the queue today), do you know where these could be coming from ? is it my server sending some logs to "hostmaster" ? I've replaced my actual domain, with "MYDOMAIN". How can I find what could be sending these emails ? The server has recently been hacked so I'm also a bit worried. Thanks!

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  • How do I use command line and wmctrl to make a window larger than the screen to get a huge screenshot?

    - by Mnebuerquo
    I use a program which makes a large image which I have to scroll to view. The program has no way to save the image, and I have no access to the source to modify it. The only way I have to get the image from the program is by screenshot. My goal is to save the full size image without having to piece together individual screenshots. I'm using this script to try taking a screenshot: #!/bin/bash window=$(wmctrl -l | grep "Program$" | awk '{print $1}') wmctrl -v -i -r $window -e '0,0,0,6030,5828' wmctrl -i -a $window import -window $window ~/Desktop/screenshot.png This uses wmctrl to get the window id ($window) for a window named "Program". It then tries to resize the window to the desired dimensions. It uses imagemagick (import) to save a screenshot.png on the user's Desktop. All of this works except the resize step. I can resize the window using wmctrl -r -e, but sizes greater than the screen size don't work. I'm using Ubuntu 10.04 and the Gnome Desktop. I run two monitors, but I've tried this with one of them disabled. Is there a way to resize the window larger than my screen to get a huge screenshot?

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  • Understanding ulimit -u

    - by tripleee
    I'd like to understand what's going on here. linvx$ ( ulimit -u 123; /bin/echo nst ) nst linvx$ ( ulimit -u 122; /bin/echo nst ) -bash: fork: Resource temporarily unavailable Terminated linvx$ ( ulimit -u 123; /bin/echo one; /bin/echo two; /bin/echo three ) one two three linvx$ ( ulimit -u 123; /bin/echo one & /bin/echo two & /bin/echo three ) -bash: fork: Resource temporarily unavailable Terminated one I speculate that the first 122 processes are consumed by Bash itself, and that the remaining ulimit governs how many concurrent processes I am allowed to have. The documentation is not very clear on this. Am I missing something? More importantly, for a real-world deployment, how can I know what sort of ulimit is realistic? It's a long-running daemon which spawns worker threads on demand, and reaps them when the load decreases. I've had it spin the server to its death a few times. The most important limit is probably memory, which I have now limited to 200M per process, but I'd like to figure out how I can enforce a limit on the number of children (the program does allow me to configure a maximum, but how do I know there are no bugs in that part of the code?)

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  • Running two Magentos installations, one of which has 3 stores set up as multi-store. Which server?

    - by Pedro Peixoto
    I want to run 4 Magento stores in 2 different installations. 1 is a standalonne installation with 3 languages. The other is a multi-store with 3 different online stores in different domains. At the moment we have a VPS with 1GB memory, would that be enough? I ask because I've finished the standalone store and already put it online, and the server is already running on 62% memory. The ideal would be that this is enough as my company wouldn't like to move to a Dedicated Server (as it involves costs). I'm sure I can try to optimize Magento to run on lower memory (I'm expecting visits averaging 2000/day on all sites), if I could have some tips on the best way to do that Id appreciate it too.

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  • Setup Webmail server unable to receive mails

    - by user26516
    I installed centos and configured email server and if I send email goes perfectly but if i reply from email that email i am getting this kind of error. Technical details of permanent failure: Google tried to deliver your message, but it was rejected by the server for the recipient domain example.com by mx00.1and1.com. [74.208.5.3]. I have bought domain in 1and1.com and i successful parked the domain. But i have doubt shall i need to add anything in MX record for other mail server. Please anyone help.

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  • Pass parameters to a script securely

    - by codeholic
    What is the best way to pass parameters to a forked script securely? E. g. passing parameters through command line operands is not secure, since someone who has an account on the host can run ps and see them. Unnamed pipe is quite secure, as far as I understand, isn't it? I mean, passing parameters to STDIN of the forked process. What about passing parameters in environment vars? Is it secure? What about passing parameters by other means I didn't mention?

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  • Backup all plesk MySQL Databases to individual files

    - by Michael
    Hy, Because I'm new to shell scripting I need a hand. I currently backup all mydatabases to a single file, thing that makes the restore preaty hard. The second problem that my MySQL password dosen't work because of a Plesk bug and i get the password from "/etc/psa/.psa.shadow". Here is the code that I use to backup all my databases to a single file. mysqldump -uadmin -p`cat /etc/psa/.psa.shadow` --all-databases | bzip2 -c > /root/21.10.2013.sql.bz2 I found some scripts on the web that backup each database to individual files but I don't know how to make them work for my situation. Here is a example script: for db in $(mysql -e 'show databases' -s --skip-column-names); do mysqldump $db | gzip > "/backups/mysqldump-$(hostname)-$db-$(date +%Y-%m-%d-%H.%M.%S).gz"; done Can someone help me make the script above work for my situation? Requirements: Backup each database to individual file using plesk password location.

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  • How to configure three IP address into single server

    - by user1363308
    I have Cisco device for call forwarding and three different system,I want to configure 15 and 16 server IP into 192.168.53.197 means eth0 --> 192.168.53.197 eth1 --> 192.168.16.15 eth2 --> 192.168.16.16 which work i have done with 15 and 16 individual , I will do some work on 197 after configuration eth1 and eth2. Means one system have three IP address but base IP address is 192.168.53.197

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  • I wanna save some terminal commands in a file

    - by Jakob Abfalter
    I am using Opensuse 12.3 What I wanna do is, create a link on my desktop for some specific terminal commandos. The backround is, that I do some backup via rsync and don`t wanna type the commandos everytime new. I also dont wanna use a cronjob, since my computer isnt running everytime. Perfect would be some desktop icons, which on clicking execute the command(s). Could somebody tell me how to do this?

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  • How to setup IP alias on bridged interface in Ubuntu

    - by Anonymouslemming
    How do I setup an IP alias on a bridge (br0) device on Ubuntu ? If I wait for br0 to come up and then do /sbin/ifconfig br0:0 192.168.10.1 netmask 255.255.255.0 then it works fine. If however I add the following to my /etc/network/interfaces file, it does not work and the network fails to start: auto br0:0 iface br0:0 inet static address 192.168.10.1 netmask 255.255.255.0 At the moment, I have a script in /etc/network/if-up.d/bridge_alias that does this as follows: #!/bin/bash if [ "${LOGICAL}" == "br0" ] && [ "${PHASE}" = "post-up" ]; then echo -n "Starting br0:0 ... " /sbin/ifconfig br0:0 192.168.10.2 netmask 255.255.255.0 echo "Done!" fi What is the right way of doing this though, just using the OS network config files ?

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  • Software RAID 1 broken, how do I fix this?

    - by Edward
    I'm running CentOS 6 x86_64. There is a software RAID 1 being used on the two internal 80GB drives. I got the following e-mail sent to me: A DegradedArray event had been detected on md device /dev/md1. Faithfully yours, etc. P.S. The /proc/mdstat file currently contains the following: Personalities : [raid1] md0 : active raid1 sda1[0] 511988 blocks super 1.0 [2/1] [U_] md1 : active raid1 sda2[0] 8190968 blocks super 1.1 [2/1] [U_] bitmap: 1/1 pages [4KB], 65536KB chunk md4 : active raid1 sdc1[0] sdb1[1] 1953512400 blocks super 1.2 [2/2] [UU] md3 : active raid1 sdd5[1] sda5[0] 61224892 blocks super 1.1 [2/2] [UU] bitmap: 1/1 pages [4KB], 65536KB chunk md2 : active raid1 sdd3[1] sda3[0] 8190968 blocks super 1.1 [2/2] [UU] unused devices: <none> The system appears to have booted fine and is working. The two drives' content did not change at all. I only removed and reinstalled them while I was booted on the CentOS Live DVD. How do I get the array working again?

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  • Unified inbox shows twice on Thunderbird

    - by That Help Vampire Guy
    I'm using Thunderbird 24. If I show folders in Unified mode, my inbox folder shows up twice. If I choose the "All" folders mode, I see only one inbox. The issue started when I was using Ubuntu 12.04, but now I'm on Fedora 19. (I have migrated the folders on /home). I do remember having it not-duplicated, but then it started while still on Ubuntu. I noticed it when using the Converation plugin, but I had previously used the plugin without it happening. I have disabled the plugin and it persists. What I have tried If I close Thunderbird, rename the .thunderbird folder on my /home to something else, then it will create a new config profile, I have to set up everything again, and then it works as expected, see images below: Before resetting Unified vs All Folders After resetting Unified vs All Folders (I'm trying to avoid resetting the profile and creating a fresh new one, because the server -- MS Exchange -- doesn't support IMAP labels, so I'd lose all the tags on my messages, and I have organized it based on tags instead of folder).

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  • rsync --link-dest behaviour when run as sudo

    - by fotNelton
    In order to create regular backups, I'm using rsync together with --link-dest so as to create hard-links for unchanged files. For example: rsync -ax \ --partial --delete --delete-excluded --inplace \ --exclude-from=/tmp/temp_excludes \ --link-dest=/Volumes/Backup/current \ /Users /Volumes/Backup/2012-06-25 This works very well as long as I start the process from my normal user account. Though as soon as I start the process using sudo it behaves erradically, meaning that rsync copies all the unchanged files instead of hard-linking them. Since sudo modifies the environment, I've already also tried sudo -E in conjunction with making sure that my sudoers file has the corresponding option set. Well, that didn't work either. So, the question is, how can I run rsync using sudo? Whereas the above example only shows a backup of the Users directory, I also need to backup some system files that I can only access as root.

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  • "shell not found" on start of backtrack 5

    - by Jor-el
    I am using backtrack5 in VMware on my system. I was trying to change my default shell to ksh. After executing the 'chsh' command. On restarting the OS, it shows "Cannot execute ksh: no such file or directory", which apparently because of giving a bad path while changing shell. Because of this I am not able to start the OS, as I have no terminal to interact with (cannot start the GUI). Now I need to restore the previous shell, but I don't have any access to the terminal. Thanks for the help.

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  • VirtualBox to use dual monitors

    - by fnord_ix
    I am am running Kubuntu Hardy Heron, with a dual monitor setup, and have VirtualBox on it running Windows XP in seamless mode. My problem is, I can't get virtualbox to extend to the second monitor. Has anyone been able to achieve this or know if it can be achieved?

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