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Questions tagged [ubuntu]

Ubuntu is a free desktop and server operating system based on Debian GNU/Linux. This tag is for programming questions specific to Ubuntu. General Ubuntu support is off-topic. Support questions may be asked at https://askubuntu.com/.

Ubuntu is a free desktop and server operating system based on Debian GNU/Linux.

Questions concerning the use and administration of Ubuntu, running third-party applications, development, or services provided by Ubuntu may be better suited for Ask Ubuntu rather than StackOverflow.

Philosophy

The goal of the Ubuntu project is to provide a free computer environment, centered on a Linux distribution and complemented by online services.

Releases

The core of the distribution contains a -based desktop environment which is tightly integrated to the system, in particular providing a GUI for hardware management and system administration. The supported core also includes other desktop environments such as , although their integration is managed by side projects such as Kubuntu.

includes a small amount of non-free software such as drivers. Ubuntu offers a large amount of packages directly taken from Debian's unstable distribution, in the form of the universe repository.

There is a release of Ubuntu every six months: one in April and one in October. One in four is a long-term support (LTS) release. The latest LTS version of Ubuntu is (Bionic Beaver). It was released in April 2018 and is supported until April 2023.

Latest release: 20.04.1 LTS (Focal Fossa) released on August 2020

Derivatives

Side projects of Ubuntu include:

  • Edubuntu: for use in teaching.
  • Kubuntu: managing the integration of KDE into Ubuntu.
  • Ubuntu Studio: for multimedia production.
  • Xubuntu: managing the integration of Xfce into Ubuntu.
  • Lubuntu: managing the integration of LXDE into Ubuntu, focusing on speed and energy efficiency.

Documentation

Currently supported versions

Common tasks

Related

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Eclipse cannot load SWT libraries

Every time I try to open Eclipse in Ubuntu 12.04 I get an Unsatisfied Link Error and it will not open. I have recently installed the java JDK and Android SDK, could this be the problem? I followed this tutorial. Here is the log info: !SESSION…
TomRichardson
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set up device for development (???????????? no permissions)

I am using a Samsung galaxy nexus phone (Android 4.0 platform) . I am developing Android app on Ubuntu linux OS. I would like to run my application directly on the Samsung handset device, so I performed the following setup steps: in my project…
Leem.fin
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How to properly add include directories with CMake

About a year ago I asked about header dependencies in CMake. I realized recently that the issue seemed to be that CMake considered those header files to be external to the project. At least, when generating a Code::Blocks project the header files do…
Matthieu M.
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nginx - nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)

All of a sudden I am getting the below nginx error * Restarting nginx * Stopping nginx nginx ...done. * Starting nginx nginx nginx: [emerg] bind() to [::]:80 failed (98: Address already in use) nginx: [emerg] bind() to [::]:80 failed (98:…
Tampa
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Vagrant error : Failed to mount folders in Linux guest

I have some issues with Vagrant shared folders, my base system is Ubuntu 13.10 desktop. I do not understand why I have this error is something that is not right configured ? Is a NFS issue or Virtualbox Guest Additions ? I have tried with different…
Ek Kosmos
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How do I SET the GOPATH environment variable on Ubuntu? What file must I edit?

I am trying to do a go get: go get github.com/go-sql-driver/mysql and it fails with the following error: package github.com/go-sql-driver/mysql: cannot download, $GOPATH not set. For more details see: go help gopath when I do a go env , a list of…
David Saintloth
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How do I install the OpenSSL libraries on Ubuntu?

I'm trying to build some code on Ubuntu 10.04 LTS that uses OpenSSL 1.0.0. When I run make, it invokes g++ with the "-lssl" option. The source includes: #include #include #include #include…
Daryl Spitzer
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"Unable to find remote helper for 'https'" during git clone

I am unable to clone HTTPS repositories. I can clone SSH repos fine, but not HTTPS repos. I cannot test the GIT protocol since I am behind a corporate firewall. This is what I am trying to do: $ git clone https://github.com/nvie/gitflow.git Cloning…
Ben K
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Adding a new entry to the PATH variable in ZSH

I'm using zsh and I'm trying to add a new entry (/home/david/pear/bin) to the PATH variable but I don't know how. The thing that confuses me the most is that there's not a single reference to a PATH variable in my ~/.zshrc file, but doing echo $PATH…
David Barreto
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How to run cron job every 2 hours?

How can I write a Crontab that will run my /home/username/test.sh script every 2 hours?
Vignesh
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sqlite3-ruby install error on Ubuntu

I have the following error during sqlite3-ruby install: Building native extensions. This could take a while... ERROR: Error installing sqlite3-ruby: ERROR: Failed to build gem native extension. /usr/bin/ruby1.8 extconf.rb checking for…
Dmitry
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Window appears off screen on ubuntu

I have a dual monitor setup, and I am using Ubuntu 12.04 LTS I have changed the positioning of the monitors several times, and now for some reason some of the windows open up off-screen (outside of both screens), Update Manager, for instance. How…
Mladen Danic
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Docker command can't connect to Docker daemon

I want to make a move to Docker, so I've just started to mess around with it. I've installed Docker on a VirtualBox Ubuntu 15.10 (Wily Werewolf) installation and as suggested here I then tried running a basic nginx Docker image: $ docker run --name…
kramer65
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What are the differences and similarities between ffmpeg, libav, and avconv?

When I run ffmpeg on Ubuntu, it shows: $ ffmpeg ffmpeg version v0.8, Copyright (c) 2000-2011 the Libav developers built on Feb 28 2012 13:27:36 with gcc 4.6.1 This program is not developed anymore and is only provided for compatibility. Use…
why
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What is makeinfo, and how do I get it?

I'm trying to build GNU grep, and when I run make, I get: [snip] /bin/bash: line 9: makeinfo: command not found What is makeinfo, and how do I get it? (This is Ubuntu, if it makes a difference)
mike
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