Ubuntu is a Linux distribution with an emphasis on ease of use and installation. Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

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3
votes
1answer
226 views

mpirun with ssh and X11

At present we're trying to write a program which uses mpirun to launch multiple X11 clients. If the programs are text-only, then using the following command, we can run proceses on a list of ...
1
vote
2answers
674 views

Nginx + PHP + FTP - user permission issue

I have a wordpress copy installed on /home/username/public_html/site, and now the problem is : Nginx running PHP with "www-data" identity The site folder owner and group are "username", not ...
3
votes
1answer
417 views

What is the default font for Grub in Ubuntu and Fedora?

I was wondering what the name of the font is for the grub set by default after installation in Ubuntu and Fedora (they are different ones). Any help would be great!
0
votes
1answer
878 views

Nginx Ubuntu PHP5 - not found php-fastcgi.pid

I was setting-up Nginx with PHP5 on Ubuntu 10.04.4 TLS Server, and follow this instructions - http://library.linode.com/web-servers/nginx/php-fastcgi/ubuntu-10.04-lucid Everything is fine before I ...
3
votes
3answers
6k views

Recovering from “chmod -R 777 /” in Ubuntu [duplicate]

Possible Duplicate: Wrongly set chmod / 777. Problems? I am using Ubuntu for development purposes. As I work on the database side, there are a lot of things which require file permissions ...
1
vote
0answers
287 views

Error while importing Compiz profile from Terminal

File name : import.py #!/usr/bin/python import sys import compizconfig #The last input on the command line will be the path to save the file to. savefile=sys.argv[-1] ...
2
votes
1answer
527 views

Installed programs not appearing at the Dash Home?

Some software that I install on my Ubuntu doesn't appear on the Dash Home menu. For example, I installed Komodo Edit (thru a .sh file). If I want to run this program, I have to go to the directory ...
1
vote
0answers
800 views

OpenVPN dropping connection every time interval

I have setup OpenVPN. The server is a router running DD-WRT with OpenVPN setup. The client is Ubuntu 12.04. The connection is established without issues. I can ping clients at the VPN side. The ...
1
vote
1answer
8k views

Missing 32 bit library on a 64 bit Linux install

I am trying to figure out why Eclipse is complaining about being unable to find a library. I've managed to reproduce/reduce the java problem to: $ ldd ...
1
vote
0answers
467 views

Problem getting Fedora to run in VirtualBox

I'm using Ubuntu 12.04 64-bit, trying to get Fedora 18 64-bit to run in the Oracle VM VirtualBox. I've got VirtualBox installed (via the .deb package available from the official site,) and I got the ...
1
vote
1answer
2k views

Gnome and Cinnamon loads in fallback (classic) mode only

So I have been using linux mint for a while now. A few months ago my Gnome shell crashed and I was unable to use the full 3d features and loaded into fallback mode only. From that day (around 2 months ...
6
votes
2answers
2k views

Configuring File Associations in Ubuntu with Wine

Related to this question, I have Ubuntu 20.04.1 LTS. I downloaded PlayOnLinux 4.1.9 (the Precise version) and used it to install Microsoft Office 2010 Pro. PlayOnLinux downloaded Wine 1.5.21 and ...
2
votes
3answers
1k views

How to start subsequent shells as root?

I run my local testing server inside a VM. I often have to open up multiple windows in it, and all have to be logged in root. Usually this is accomplished by writing su on every tab, a total of 7-8 ...
2
votes
2answers
2k views

Linux and Android apps on ARM vs x86

There are a plethora of low-cost ARM-based mini-devices coming out (Cotton Candy, etc). Some of these are Android-only, some Linux-only, and some allow both operating systems to run. The only issue ...
2
votes
1answer
576 views

Installing Debian on USB

From my Ubuntu, I want to create a bootable Debian USB. I tried to install Debian with debootstrap. A brief list of commands is mount /dev/sdb1 /mnt debootstrap sid /mnt http://ftp.debian.org/debian ...
1
vote
2answers
944 views

NFS Mounting over WAN which ports

I have a NAS box setup at a different location than our company. The idea was to use it as offsite backup. When the NAS box was on our LAN we had no issues mounting the NFS shares. Once we moved it ...
0
votes
0answers
275 views

CakePHP shell as cron permissions issue

First to say that I know basics of Linux systems. I am familiar with cron jobs. I am using CakePHP shell as cronjob. The script is using model's method to download pages from site user entered. ...
2
votes
1answer
424 views

Recommendation of books to setup and admin a web server in Linux [closed]

Hi I am quite a newbie on Linux, I knew basic concept and some commands of it. And now I am going to setup and admin a web server in Ubuntu Linux distribution. I installed it by default setting, and ...
0
votes
2answers
675 views

Issue with bad sectors on a laptop hard drive

I had Windows installed on my laptop and suddenly one morning Windows couldn't start. Then I tried after formatting and for once it became possible. I also installed Ubuntu as logical drive (deleted ...
1
vote
2answers
263 views

OpenVPN struggling

I've got some problems with my OpenVPN setup. The Setup: -> Ubuntu Server 12.04 -> Two active NIC's: eth0 (default): 192.168.1.0/24 eth1: x.x.x.x (external ip) I've managed to get the routing to ...
2
votes
1answer
408 views

Installing the kernel EFI stub loader in kernel 3.2?

Kernel EFI stub loader support was added in kernel 3.3, but I'm stuck on 3.2 running an Ubuntu 12.04 64bit distribution. Is there a way for me to somehow bring that stub loader support into my kernel? ...
2
votes
1answer
398 views

Trouble with postfix install (timing out from client) [closed]

I have just outfitted a basic server (Ubuntu 12.04 LTS /Precise Pangolin) and have installed Postfix and Dovecot, based on the Ubuntu manuals. https://help.ubuntu.com/community/Dovecot ...
0
votes
2answers
218 views

Create a CentOS Guest img over Ubuntu

I want to create a basic CentOS 5.8 system from scratch. for now i build my own img for Ubuntu Guest (debootstrap), my host is a Ubuntu 12.04.1LTS but I don't know how to make for a CentOS, is ...
0
votes
1answer
475 views

Ubuntu 12.04, black background for some areas of GTK programs under KDE

I use ubuntu 12.04, x86_64, kernel 3.2.0-35-generic. I use KDE desktop. However, under KDE the GTK programs have black background in some areas. e.g. How to solve the problem?
4
votes
2answers
606 views

disabling ssh session expiration

I am installed Ubuntu on Virtual Box, and use xshell (a remote terminal application) to ssh to ubuntu. when I hibernate computer during night, after powering it on, the session is expired and I should ...
1
vote
0answers
174 views

vsftpd on Ubuntu not obeying filesystem permissions

I'm trying to set an FTP upload to a web root on Ubuntu 12.04 using vsftp. The user has a local account, username_ftp. I changed their home to their web root in /etc/passwd. ...
7
votes
1answer
5k views

Overflow /tmp mounted when there is free space on /

I recently faced an "overflow" issue on /tmp. I don't have a separate /tmp partition, and there is 17% free in / – then why did I get an overflow tmp filesystem? # /etc/fstab: static file ...
1
vote
2answers
5k views

How to setup VLAN on same subnet as Ethernet ?

I have a physical NIC with dev name eth0 with ip 192.168.1.2 and gateway 192.168.1.1 and I want to setup a VLAN with ip 192.168.1.x and same gateway as eth0. Setting up the VLAN runs smoothly and I ...
0
votes
4answers
2k views

Optimal Setup for Windows & Linux - Sharing and Partitioning

This question gets a little complicated so please bear with me. So we have a new custom designed desktop which we will be mostly a dedicated machine for scientific computations in FORTRAN and ...
0
votes
1answer
165 views

Unable to add source via command line

I am trying to install latest version of glusterfs in Ubuntu by running this command: apt-add-repository ppa:semiosis/glusterfs-3.2 It does not give any result. The session won't even close ...
0
votes
1answer
2k views

Installing prstat package command on Ubuntu Linux

I'm trying to run the prstat command on my Ubuntu server, but it doesn't seem to be installed, I have searched the web for the package name needed to install it but without any luck for some reason.. ...
1
vote
2answers
117 views

When all hardware resources are free what would cause linux to run slowly

Sometimes, after a few hours, my system works slowly. I have checked status of these resources: Hard disk using iotop Ram usage using free CPU usage using top None of them are busy. top also shows ...
3
votes
1answer
6k views

Convert .ISO to .IMG in terminal (Mac) (Linux)

I am trying to make a bootable flash drive with Linux on it for my Mac. I have Ubuntu desktop downloaded, and it is in my downloads. The instructions on the Ubuntu website tell me I need to convert ...
3
votes
1answer
292 views

Awesome: Incorrect timezone

Typically, I set the timezone of my computer's clock by changing the .bashrc file, appending, say, TZ='America/Los_Angeles'; export TZ such that whenever date is invoked the right time in the right ...
1
vote
1answer
654 views

CentOS connected to Internet but not updates

I have installed CentOS 6.3, OpenSUSE 12.1 and Ubuntu 12.04 on VMware Workstation 9. On any of these when I use ping to check network connectivity, I receive a proper answer, but when try to update ...
2
votes
1answer
3k views

Can one install an armel Ubuntu package on armhf Ubuntu system?

My particular concern is about installing "coq" in Ubuntu 12.04 for Toshiba AC100 (armhf distro), which hasn't been built successfully for armhf, but is available for armel -- ...
3
votes
3answers
3k views

XEN Storage Repository has option type=lvm missing (XCP)

Several online documents on this subject talk about creating an SR with the option type=lvm but trying these: # xe sr-create type=lvm device-config:device=/dev/server/sr_guest1 name-label=sr1 ...
1
vote
1answer
250 views

Synchronize software packages between different Linux distributions

Is there any way to synchronize software packages between different Linux distributions? There are several software packages that I need to synchronize between a Linux Mint installation and an Ubuntu ...
2
votes
1answer
744 views

Passwordless sudo of a command containing a comma

I have a number of users of a desktop machine, who each have a folder on a remote samba server. I am trying to set up per-user mounting of these network folders following the instructions here: ...
1
vote
0answers
238 views

Wireless doesn't connect automatically in Ubuntu when connection is established with wifi Router Again

I am facing a problem here with Ubuntu version 10.4 I am working with. I am having a wifi router and when I start my system, Ubuntu connects to wifi automatically. But if due to some reasons the ...
0
votes
1answer
138 views

relaying ports to remote pc via vpn

I've got a situation where a remote pcs is vpn'ed to my Ubuntu box, and I'm wondering how I set the Ubuntu box up to redirect calls to specific ports over to the PC. Any Ideas?
2
votes
1answer
840 views

How to find the type of an img file so it can be mounted

I have a .img file and I want to see what's inside of it. I tried mounting it, but I don't know what filesystem type it is. Is there a way to detect what it is so I can mount it? I'm using Ubuntu. ...
1
vote
0answers
166 views

Making CodeBlocks work with Terminator?

I want to make the programs compiled by Codeblocks, run the shell program 'Terminator'. So I went into Environment Settings > Terminal to launch console programs, the default value is xterm -T $TITLE ...
10
votes
1answer
2k views

is upstart and supervisord used for the same thing?

I have a some jvm based processes that I need to make sure start whenever my server is rebooted, and also if it stops because of an unexpected error etc. I'm running Ubuntu 12.04 in case in matters. ...
1
vote
1answer
114 views

Yarbu Execution

I am attempting to use a Project called Yarbu It appears to be exactly what I am looking for. However I am a noob at Linux and am having difficulty getting it to work. I successfully completed the ...
2
votes
4answers
1k views

Finding computer uptime from first day until now

I need to find PC uptime from the day of installation until now. Is this logged somewhere? Does any file log this cumulative uptime?
2
votes
1answer
200 views

write pc uptime in a file in shutdown

I need to log PC uptime. How I can do this? I use uptime for this and I will when ubuntu is shutdown write this command output in a file.
2
votes
2answers
586 views

Changing permissions for files in linux

I have started using Linux recently for development of a project and currently facing some issues with file permissions in the directories. I have some libraries .so files that I need to access from ...
5
votes
1answer
984 views

NFS server causes high load even when idle

I have an Ubuntu (12.04) NFS server that has a high load (larger than 10) even when nothing is running. In detail, the storage is provided by an iSCSI device, on which I have 5 logical volumes (LVM) ...
6
votes
1answer
8k views

~/.xinitrc not being run

I am not able to run my ~/.xinitrc (~/.xsession) scripts when logging into my computer. I'm using Xubuntu 12.10 with vanilla lightgm as the login manager. Both these files have the right permission ...