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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2
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1answer
1k views

Jenkins does not use system's locales

I got a interesting behavior in Jenkins. Jenkins' shell does not use my systems locales. Jenkins runs as user jenkins on my system. Logged in as jenkins via SSH: locale displayed: ...
5
votes
2answers
2k views

Having trouble exporting FUSE via NFS

I've got a self-written FUSE file system I mount on my NFS server on mountpoint /export/example/mount. Then I export a parent directory of the FUSE via NFS. The /etc/exports contains the options ...
2
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0answers
440 views

How to set LANG in locale, despite it's in /etc/default/locale in ubuntu for unicode support?

I run Ubuntu 12.04, I can't set the locale to en_US.utf8. I set the LANG by configuring /etc/default/locale as described here. $cat /etc/default/locale LANG=en_US.utf8 $locale LANG= LANGUAGE= ...
1
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0answers
122 views

SSH broken when connected to VPN upon upgrading from Ubuntu 13.04 to 14.04

I need to SSH into a server which is only accessible when I am connected to a VPN (PPTP). Using my Ubuntu 13.03 virtual machine, this works perfectly. First I connect to the VPN, then I ssh into the ...
3
votes
2answers
164 views

Should I install npm in Kubuntu?

I am using Kubuntu. I am looking into installing a plugin to help in javascript. This seems to be good jshint but it mention npm install What is this? My understanding is that in Kubuntu I should only ...
6
votes
1answer
24k views

How do you fix apt-get update “Hash Sum mismatch”

I have an Ubuntu 12.04 virtual box vm that I instantiate using Vagrant. git clone https://github.com/spuder/puppet-gitlab vagrant up As soon as the vagrant box runs apt-get update, I get the ...
1
vote
1answer
1k views

line 4: 5 + : syntax error: operand expected (error token is “+ ”)

noticing the error mentioned in the subject line when trying to execute the below listed bash script on Ubuntu (53-Ubuntu x86_64 x86_64 x86_64 GNU/Linux) #!/bin/bash read x y echo $(($x + $y)) ...
1
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1answer
4k views

Error because $DISPLAY environment variable is not properly set

Is it possible to start an xfreerdp session into Microsoft windows from a command-line only install of Linux? The command I use from a full blown Linux install is this: $ sudo xfreerdp ...
2
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0answers
41 views

Virtual packages with reprepro?

I have been working on making Zentyal packages possible on the armhf architecture, and finally succeeded in a working build of 4.0 packages. However the installation is quirky as these packages have ...
1
vote
2answers
3k views

How to install Ubuntu from a USB key using syslinux?

I'm making a bootable USB key for myself, and one function of it is to install Ubuntu. I have downloaded the ubuntu-11.10-desktop-i386.iso file. There is a pretty good method for installation of ...
1
vote
1answer
361 views

Best conventions for icons in Debian/Ubuntu

I've been looking for a while for the best conventions for icons, but I just find lots of inconsistent web pages. Maybe the conventions have changed and they need updating, or maybe I just haven't ...
0
votes
1answer
258 views

Ubuntu on macbook won't boot from USB

I cannot boot Ubuntu from my macbook. I have tried the official Ubuntu walkthrough for creating a USB boot stick (located here: http://www.ubuntu.com/download/desktop/create-a-usb-stick-on-mac-osx ) ...
2
votes
1answer
403 views

Why does my Cylon Linux Live/Install disc say that it's Lubuntu at install?

I have a "Cylon Linux" live/install DVD that I have used to install Cylon on my desktop. Works fine, install was trouble free. Now I am using the SAME install DVD to install this distro on my laptop ...
1
vote
1answer
120 views

I am try to interactively add a user via “useradd”

I am basically trying to write a simple script to allow for interactive use of "useradd" with select options. The options I am trying to allow for specific use are to either be defined interactively ...
3
votes
1answer
684 views

Weird issue with unmet dependencies when cloning package states from earlier installation on same machine [closed]

I've been doing the usual routine of saving the package selections and also marking the packages as auto or manual as outlined in the question and answer here: Restoring all data from backup of dpkg ...
2
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0answers
724 views

Using RAW video encoding with gstreamer & VLC

I'm streaming RAW video with gstreamer like so: gst-launch-1.0 -v videotestsrc ! rtpvrawpay ! udpsink host="127.0.0.1" port="5000" This outputs the following caps: caps = application/x-rtp, ...
0
votes
1answer
938 views

How to use UPSTART feature of ubuntu to restart the python script but not as root?

I am running my Python script using upstart feature of Ubuntu so that if for whatever reason my Python script dies or gets killed, it can be restarted automatically and everything is working fine - ...
1
vote
1answer
153 views

Why are --older-than and --younger-than killall options missing in RHEL/CentOS?

I've experienced this issue in cleaning up scripts written by developer who were writing for Ubuntu systems, as well as ServerFault questions like this. Is there any reason the -o, -y (--older-than ...
0
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0answers
186 views

Opening Nautilus without --no-desktop, on Xmonad on top of Ubuntu, what happens?

I have a standard Ubuntu install with an Xmonad install on top of it [1]. Now, when I run nautilus from the command line a view unexpected things happen. While Nautilus does appear, there is now also ...
0
votes
1answer
1k views

grep: input file 'X' is also the output

I use ubuntu 14.4, and attempt to redirect the output of grep command to a file, but I keep getting this error: grep: input file 'X' is also the output I've searched for this issue and just found ...
1
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0answers
76 views

chromium-browser processes' cmdline not available in full form

I am running Ubuntu 14.04, with 3.13.0-38-generic kernel on a MacBookPro11,2. (late 2013) I'm trying to get the process ids of all chromium-browser processes, a bit selectively such as only renderers ...
1
vote
2answers
104 views

Odd behavior of software sources GUI in Ubuntu-based eOS (sources selected in the background)

Oddly enough, they all look unselected - I do not know that this is really true, but they look like they are not selected. But most odd is that selecting them is impossible - as seen HERE. For a ...
0
votes
2answers
202 views

Start/stop service script like Ubuntu for RedHat

Is there a .sh script that manages starting and stopping the service like Debian/Ubuntu but for Red Hat/Fedora? Looking to place it into the file running some software.
2
votes
3answers
3k views

Registering Ubuntu Client With Spacewalk

Right now I'm just testing the process for some desktop machines I'll be managing so I have a fresh install of Ubuntu 12.04.04 LTS. We have a non-satellite spacewalk server that I'd like to have ...
0
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1answer
42 views

Software packaging for RedHat similar to Ubuntu

I'm currently helping a professor who is having trouble installing a particular software onto the school's server which runs on Red Hat/Fedora. The professor thinks that the software was packaged for ...
10
votes
5answers
19k views

Can a linux user change their password without knowing the current password?

I'm setting up a few ubuntu boxes, and using opscode's chef as a configuration tool. It would be fairly easy to install public keys for each user on each of these servers, and disable password ...
2
votes
2answers
3k views

Guest OS Ubuntu 12.04 no network connection

Recently added a new *.VDI image with Ubuntu 12.04 to my existing VirtualBox. The machine hangs with a "Waiting for network configuration" error, eventually times out after 60 seconds and boots in ...
1
vote
1answer
241 views

Setting Solarized colors on a Vagrant Ubuntu Box

I am trying to set the colors of my Ubuntu Box to match the 16 colors palette of the Solarized color theme. I have installed Ubuntu 14.04 Server, no GUI option enabled. When I ssh into this VM and I ...
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0answers
372 views

Post installation error: no such device . grub rescue

I installed ubuntu 14.04 as the only operating system on a computer with 1 hard disk and chose the following partitioning: sda1 (fat32) for EFI sda2 (ext4) for /home sda3 swap sda4 (ext4) for ...
0
votes
1answer
544 views

How do I add custom GPG key to Ubuntu/Debian installer?

I'm trying to setup custom Ubuntu install CD using instructions on http://beezari.livejournal.com/191717.html I've added my GPG key to ubuntu-keyring and signed Release file with it (resulting in ...
1
vote
1answer
3k views

how to use nvidia vdpau decoding for mplayer video player in linux?

How can I manage to switch on nvidia vdpau decoding on mplayer video player in Ubuntu 11.04? It doesn't work with default options. I've got the proprietary drivers installed: dpkg -l nvidia-current ...
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0answers
79 views

How can I add a package to the default installation of Ubuntu?

I want to add the xclip package as default package in Ubuntu. When I install Linux then xclip package should also be installed with it. How can I do it?
3
votes
1answer
156 views

Why isn't Firefox 33 use GCM on our webserver?

We have a webserver (Ubuntu 12.04) with apache2 2.2.22-1ubuntu1.7. From client side with openssl: $ echo QUIT | openssl s_client -connect OURSERVER:8080 2>/dev/null | egrep "Cipher is|Protocol" ...
1
vote
4answers
2k views

Uninstalling *.run file

I just installed a file called SenchaCmd-4.0.2.67-linux-x64.run by executing the following code: ./SenchaCmd-4.0.2.67-linux-x64.run Due to a problem I describe in detail here, I decided to ...
1
vote
1answer
340 views

Networking issue in IBM x3650 after install Ubuntu 14.04.1

I have a problem making TCP connections after a fresh Ubuntu 14.04 installation. First of all, after booting the interface is always off. In my case the interface is manually configured and named em2. ...
2
votes
1answer
260 views

Cannot change vncserver default geometry

I'm using Ubuntu 12.04 (I think it's desktop...) and running vncserver to connect to it remotely. I can successfully set the resolution if I use the -geometry flag when starting the server, but I ...
2
votes
2answers
343 views

Install Ubuntu for Android

Canonical has an item on their site called Ubuntu for Android. This is a special distribution of Ubuntu which integrates with the Android system. Their website mentions that it is specifically ...
2
votes
1answer
240 views

apparmor and Firefox

I am currently re-setting up the apparmor profile for Firefox 19.0.2 on Ubuntu 12.04 and I am slightly confused. I must of had Firefox 7.01 last time I used this and if I do apparmor_status then ...
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0answers
74 views

Why can't I start a VNC session using the randr flag?

I'm using Ubuntu 12.04 (I think it's desktop...) and can successfully run vncserver (which ultimately links to /usr/bin/vnc4server) and connect with my client, and I can also add the -geometry flag ...
0
votes
1answer
371 views

Formatting secondary hard drive that has windows on it

I recently installed an setup an Ubuntu Server machine. It has two drives in it and the other drive has windows installed on it. (I didn't want to overwrite the windows installation until I had my ...
0
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0answers
367 views

Why does my wlan0 stop working?

A few minutes ago, my internal wireless card wlan0 on Thinkpad T400 starts not working. This always happen after a while (between half an hour and several hours) from starting Ubuntu 12.04, especially ...
0
votes
0answers
180 views

wireless adapter doesn't show up in iwconfig after unload and reload its module

I unload and load the module which I suppose to be the one for my internal wireless adapter, $ sudo rmmod iwlwifi $ sudo modprobe iwlwifi My internal wireless adapter isn't show up in iwconfig, ...
0
votes
1answer
56 views

Real time show the max temperature outputed by sensors?

Is it possible to extract the maximum temperature from the output of sensor, and real time update it, and show it somewhere on desktop of Ubuntu 12.04? I know psensor is to do that, but its version ...
3
votes
1answer
105 views

Why “backporting process does not consider upstream releases”?

From http://opensourcehacker.com/2013/03/20/how-to-backport-packages-on-ubuntu-linux/ backportpackage will download the latest version of the package from Ubuntu archives. The latest ...
0
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2answers
239 views

Why does this Shell script fail as cron job [closed]

I have the following in a shell script, when I run this script it works but when I put this as a cron job it does not work(nothing happens!). How come? script #!/bin/bash ...
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1answer
40 views

When will we use apt-get to download source? [closed]

In what situation, will we like to use apt-get to download source? Can's we install from binary installation by apt-get too? If we are to install from source, can't we download source from its ...
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0answers
65 views

Possible not restore cpu frequency after suspending and waking up?

When I suspend my Ubuntu 12.04 and wake it up, the cpu frequency I set by clicking indicator-cpufreq on the desktop panel will be restored. I wonder if that is a bug or some design? Is there a way to ...
1
vote
1answer
102 views

How to test new kernel releases ?

I am using ubuntu 14.04 with linux kernel 3.13.0-37-generic . I know that the latest stable release of the kernel is 3.17.01 and want to test it. Can I test it on my system without blowing away my ...
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vote
2answers
65 views

Increasing performance of clear text file reads

In our bioinformatics application we have large files (up to 900MB, typically 100MB). These files contain a clear text representation of a genome, and are essentially a 1 line file with a sequence of ...
4
votes
1answer
59 views

Softlink in rc0.d is working on poweron rather than shutdown

I want to run a script on poweroff in Ubuntu. so I made a script, placed it in init.d & made a softlink in rc0.d with name S36xyz. my script is working perfectly when I run it in terminal. so ...