I have repurposed an old machine to serve as an Intranet server for our LAN. I was planning to use it to host some Drupal projects. I initially used Cherokee with PHP-FPM. It was working well when I was the only accessing it during development. Upon testing with ApacheBench using 10000 requests (...

I've been trying for weeks to figure out the right network configurtion for sharing a range of public IPs with KVM virtual machines running on my server, but so far with little luck. My ISP routes all the traffic to 192.168.8.118 (so that needs to be the primary IP of eth0), but I have 192.168.2...

I need a very small custrom made distribution that I can use to boot my system (add to boot options of an Ubuntu CD) that will mount the filesystem on disk and make some changes to it (install packages, copy files etc.) I can modify the existing debian-installer image on ubuntu ISO by extractin...

I'm trying to create an upstart script that will run gunicorn and it doesnt appear to be running. (Ubuntu 11.10 btw) this is my test.sh script that starts gunicorn(it starts the server fine when I simply run it): #!/bin/bash set -e LOGFILE=/www/mysite/mysite.log LOGDIR=$(dirname $LOGFILE) NUM_W...

I added some commands, as noted above, to /etc/profile, so that my aliases would be there in a login shell as well. The side-effect, however, turned out to be that after typing in my password, the graphical login screen just blinks as if beginning to show the wallpaper, but then returns to the pr...

I had two files, driver.c, and sort.c. I then changed the name of sort.c to old_sort.c, and created a sort.asm (it works too). I changed my makefile to work with sort.asm, but make is stubborn and it either still compiles sort.c (if I don't change the name of sort.c) or it says undefined referenc...

We have a standard Rails application that we have been running on Ubuntu 10.04 LTS server for many years. Since Ubuntu 12.04 LTS server has now been released, we are looking at deploying the Rails app on that platform. I have gone through the exact same installation process on both servers and ...

I've got Mercurial installed on the live server so that I can easily "pull" in changes for deployment. It was set up for my account, e.g. it always asks for my password whenever I do a pull. However, now I want to hand over access to someone else. How do I "switch" it over to that other account...

I added some commands, as noted above, to /etc/profile, so that my aliases would be there in a login shell as well. The side-effect, however, turned out to be that after typing in my password, the graphical login screen just blinks as if beginning to show the wallpaper, but then returns to the pr...

I have enable ufw to reject some in going traffic, only allow port 80,22 to be opened. And further more, today I need to block specific user to access Internet using iptables rule as follow: $ iptables -A OUTPUT -m owner --uid-owner winguse -j REJECT But it doesn't work! If I disable ufw, an...

I have followed 1 to try and connect but when I enter my password: sudo iwconfig wlan0 key pizza1121 I receive the error: Error for wireless request "Set Encode" (8B2A) Invalid argument "pizza1121". Can someone please help me?! This has messed me up for a while...

I customise ubuntu precis.Deleted top panel and Applications and moved to bottom. Now what I want is create a top panel with some application shortcut such as gedit,terminal,firefox etc.Please Explain the steps.

I need to find drivers for Ubuntu for the Konica Minolta C200, but the home page of Konica doesn't have any?

I would like to write a bash script that prints out the date in the following format: 20120205_16 (year)(month)(day)_(24 hour) so the command to do this for the current date is: date +'20%y%m%d_%H' What i would like to do is print every date like this (using a for loop or something) from a ...

i'm trying to use fann library in qt environment.i make a project to test a simple example of fann and add "LIBS += -L/usr/local/lib -lfann" to ".pro file" but whenever try to run example i countered with this error : undefined reference to 'sin' libfann.so undefined reference to 'exp' ...

I'd like to install Linux server to virtualbox. I'm running Windows 7 Ultimate x64 as my host. Should i make my virtual machine x64 or x86? What would have better performance for my host? x86 probably uses less resources than x64, but x64 is matching my host. Regards!

I've followed the instructions on the Ubuntu site to setup the Ubuntu 12.04 on a USB stick. However when I reboot I get a "Boot Error" message. Some online forums suggested using "unetbootin" instead of Pen Drive Linux's USB installer to create the USB, but this doesn't work either. I've tried ...

I recently suffered from a huge hard drive crash. I got a new hard drive for my laptop, an hp6910us (x2 turion, 3 gb ram...) The HD is a 750GB 5400RPM SATA drive. After trying to install XP from CD, I learned that my CD drive was broken. Apparently, XP doesn't install well from USB drive, so tha...

I use Skype and Brosic to make conference video calls with my friends. Often there is a noise from the background. I use Centos and Ubuntu for workstation. Is there a way to configure Linux to activate the microphone only when I press a key for example Shift? I want people to hear me when I pre...

I am currently working on using freerdp webconnect(site) to set my machine as the server and connect two other machines via my machine(recieve input from one and send it to the other). I have configured freerdp on my linux machine(ubuntu 11.10) but the problem is I am not able to start the server...

I tried to install Linux Ubuntu 12.04 and recieved the continous message loop: udev["number"]: timeout: killing '/sbin/bikid -o udev -p /dev/sdc' ["number"] I suspected this error resulted due to a missing dev/sdc file. It woud be great if I could have some insight resolving this issue.

I have a MySQL database on Ubuntu 10.04. Every time I work on it I'm worried that I am accidentally going to drop a table or the entire database. Is there anyway to configure MySQL to give a "warning" before going forward with executing the command in question?

I currently have postfix set up to relay messages from my websites through gmail, and up until recently it was working perfectly. However, within the last week or so (not really sure when) I started getting the below error whenever attempting to send an email: Jul 20 07:40:46 localhost postfix/s...

I'm currently have a Firebird Super Server 2.1 x86 installed at my Ubuntu Server 11.0. From time to time the server stops accept connections... resulting the error msg above (for clients) "Connection not established. Connection rejected by remote interface." To solve the problem, I need to res...

I need help. I'm trying to install pip for Python. $ sudo apt-get install python-pip python-dev build-essential errors: E: Write error - write (28: No space left on device) E: Can't mmap an empty file E: Failed to truncate file - ftruncate (9: Bad file descriptor) E: The package lists or sta...

I have an uncommon situation te resolve. Let me explain : I bought a domain name and set up 2 e-mail address linked to this domain name. I used to work with a Ubuntu distribution in the past. On it, I was using Thunderbird as a mail client. The connection was going to an IMAP server. I had some...

I've set up an OpenVPN server on a VPS (ubuntu 11.04) and configured clients (mix of ubuntu 11.10 and 12.04) to use it. After starting the VPN connection on the client, all internet traffic gets routed trough the VPS. I would like to route only some of the traffic trough this setup. I have a lis...

Anyone know some image viewers for Linux/Ubuntu which have faster loading times than the gimp and firefox which I can install with apt-get, or which are already on the system. Fed up of having to wait for these to load, each time I need to view an image. I need something fast and jiffy. I'm als...

This is a weird one. I have vagrant setup as my local dev environment. When vagrant is up and I edit my css file and look at it's source in the browser the new css I have written is not in the file and the file is now appended by loads of question marks: �������������������������� If I do vag...

I have a server that keeps resetting. I installed lm_sensors last time, and discovered it was die to the fan not working, causing the temperature to rise. Now the problem has returned, and lm_sensors is reporting the fan is not spinning, and also a load of in1, in3 things not working. sysadmin@...

I have Code Igniter based site and I have it on ubuntu 12.04 in /var/www/mysite folder My ubuntu serves as a server so I access my site trough other computer, but both computers are on LAN network. I use http://xxx.yyy.zzz.ttt/mysite url to access it. The problem I have is that I cannot use url...

I am having trouble getting NFS setup on with vagrant: On my local machine I have installed NFS: apt-get install nfs-common nfs-kernel-server And in my vagrant file set it to be used: config.vm.share_folder("v-root", "/vagrant", ".", :nfs => true) On vagrant up I get exportfs: /home/&l...

I have been trying to install the GD toolkit on my Ubuntu VM. The operation is simple enough: sudo apt-get install php5-gd However, when I run this, I get a 404 (Not Found error) for a package: Reading package lists... Done Building dependency tree Reading state information... Done The follow...

I renamed a directory that my virtual disk was in and now I can't start the Ubuntu VM, and can't figure out how to specify the virtual disk's new location with VirtualBox. Please help.

I have a text file that has information in it structured in the following manner (all separated by tabs): word0 word1 word2 word3 word4 word5 word6 I'm looking to, from the command line in Linux, get only word6. How would I go about doing this? Next once I have word6 how would I get say ...

I'm trying to get the python postgres client module installed on ubuntu 12.04. The guidance is to do the following: apt-get install python-psycopg2 However, apt says that the package can't be located. I'm keen to install this through apt. Is this part of another package that i can install thr...

I have hadoop 1.3.0 configured in my ubuntu. Now how can I integrate it with sqoop? When I tried to install sqoop it says no package is found eventhough i added the cloudera repository? Please anyone help me.

When I was using apache2 server, setting default umask in /etc/apache2/envvars to 0002 used to solve all my permissions problems. Now that I am trying to setup nginx/php-fpm, I have come across the same problems when files are created with improper permissions. Is there umask setting in nginx o...

Lets say I'm passing: echo hello | Command Here >> temp.txt I am looking for a command to pass only hel or llo (a subsection of the string subtracting characters from the end of the string).

I am running ubuntu 12.04, how can I configure my shell/ubuntu so that 'history' commands will display all the previous command from different shells? Basically, I want to a list of my previous command regardless which shell I enter. Thank you.

:) I'm wanting to be able to run a system command when an IPTable rule is hit, passing the IP address of the remote device to it. I've had a look around but found nothing. I thought of grepping logs, but I'm expecting a lot of traffic.. Any help would be fantastic! Thanks (If it helps, Ubunt...

I have recently received a PSD file. I need to extract all images from the PSD file. I am using Ubuntu 12.04 GIMP 2.6.12 Any Idea?

My issue is that I have a function call it function 1 which runs indefinitely. The function itself echo's "hello" every 1 second. Using the command: function 1 >> temp.txt Every 1 second if I am to view the file temp.txt I should see a new line with "hello". However what's happening is that the...

My issue is that I have a function call it function1 which runs indefinitely. The function itself echo's "hello" every 1 second. Using the command: function1 >> temp.txt Every 1 second if I am to view the file temp.txt I should see a new line with "hello". However what's happening is that the f...

I'll start out by saying that I'm very very new to Linux and I want to use it for MySQL cluster. I installed 2 Ubuntu servers on different machines that have no GUI. My question is: Is there a way to install Ubuntu desktop with GUI and connect to Ubuntu server, and would I be able to manage it ...

I need to send a file via xmodem to a serial device, from the command line. Must be 115200 8N1 with no flow control. I can't for the life of me work out how to do this! I'm using ubuntu if it makes any difference. Many thanks

Just trying out VirtualBox & Vagrant and my initial lucid64 VM can't resolve us.archive.ubuntu.com but can resolve google.com and www.apple.com (but not apple.com w/out the www?!?!). The host can resolve us.archive.ubuntu.com just fine as well as every other domain. No idea what's going on...