A tag is a keyword or label that categorizes your question with other, similar questions.
Use this tag if you have trouble booting Ubuntu or you have questions about the bootup process.
Managing and using network connectivity on a Ubuntu system
Questions about using the command-line interface (CLI).
Questions specific to 14.04 are no longer supported here and are supposed to be closed as off-topic. Fifth LTS (Long Term Support) release of Ubuntu, code-named "Trusty Tahr". Released on 17th April, 2014 and has reached its End Of Life (EOL) in April 2019.
Questions about 16.04 are off-topic on Ask Ubuntu. Sixth LTS (Long Term Support) release of Ubuntu, code-named "Xenial Xerus". Released on April 21, 2016. Reached End of Standard Support (ESS) on April 30, 2021.
For questions related to modules, the ones that control and orchestrate how the kernel should communicate with the hardware
For questions regarding the installation of two or more operating systems on a single computer.
Fourth LTS (Long Term Support) release of Ubuntu, code-named Precise Pangolin. Released on 26th April, 2012, no longer supported (EOL) since 28th April 2017. Questions about unsupported versions are likely to be closed as off-topic.
Questions about using any of the apt tools should use this tag. Advanced Packaging Tool, the package manager for Debian-based distributions. It is also the most used tool for installing packages in Ubuntu.
Questions related to Ubuntu Server, and server-related packages.
Seventh LTS (Long Term Support) release of Ubuntu, code-named "Bionic Beaver". Released on April 26, 2018. Will reach End of Standard Support (ESS) in April 2023. Only use this tag for version-specific questions.
Eighth LTS (Long Term Support) release of Ubuntu, code-named "Focal Fossa". Released on April 23, 2020. Will reach End of Standard Support (ESS) in April 2025. Only use this tag for version-specific questions.
Disk partitioning is the act of dividing a hard disk drive into multiple logical storage units referred to as 'partitions'
GRUB 2 is the next generation of the GRand Unified Bootloader (GRUB). Ubuntu has used GRUB 2 as the boot loader since 9.10 (Karmic Koala). Commonly referred to as simply "GRUB".
Questions about using Wireless connections in Ubuntu. This tag is not limited to Wifi only.
Questions related to the NVIDIA graphics and motherboard chipsets and the related drivers.
Bash (Bourne-Again SHell), is the shell used in Ubuntu's command-line interface by default.
This is a very general tag that should only be used for questions referring to GNOME in general and not a specific component. GNOME (GNU Network Object Model Environment) is a collection of GTK-based software that provides the desktop environment GNOME Shell.
Questions about the management of software packages, in particular the APT and dpkg systems.
For questions regarding the Unity desktop environment, including configuring and using Unity. Unity has been the default Ubuntu desktop environment from Ubuntu 11.04 to Ubuntu 17.04.
Questions about installing Ubuntu in any supported architecture. Post-installation questions should not be under this tag.
Questions about upgrading packages, systems or hardware.
Questions about sound issues with Ubuntu spanning from sound cards, microphones and speakers/headset to the transfer of audio signals via audio port, bluetooth and HDMI.
Installing software on a running system, either as binaries or from source.
USB is an acronym for Universal Serial Bus. The current USB standard is USB 3.0, which supports transfer speeds of up to 625 MB/s. USB devices are plug-and-play.
Questions concerning the Linux kernel in Ubuntu. Issues may including upgrading and installing kernels, compiling, patches, and kernel modules.
Short for "file system permissions" - access control based on user, group, or global access.
Questions about mounting filesystems, such as those on internal drives or on CDs, DVDs, external hard drives or USB flash drives, or about using the `mount` command.
Questions about updates. This is a very general tag. If you have a tag that's more specific (e.g. the package name that your question is about) please use that one.
A script is a series of instructions written in a "plain text" file. The script interpreter (for example, Bash or another shell, Python, Perl, Ruby, etc.) reads the file and carries out the instructions as if they had been entered at the command prompt.
**DO NOT USE THIS TAG**. Use either the [system-installation] tag (for system installs) or the [software-installation] tag (for installing software on a running system). Questions about installing Ubuntu, or installing programs from within Ubuntu.
Questions about keyboards, both touch and otherwise. However, please add the "touchscreen" tag for touchscreen keyboard questions.
SSH, or "Secure Shell", is a networking protocol or client using SSH for securely connecting to a remote computer. This tag is for questions involving using SSH and troubleshooting SSH connection problems as well as setting up and configuring SSH for applications which use the SSH protocol. This tag should be used with other tags to better identify the environment of the problem. Questions should contain any logs from client and/or remote (see "ssh -vvv").
Questions related to graphics, in particular getting graphics cards to work. Please tag your exact graphics card version as well if you know what it is.
The official Ubuntu derivative using the KDE Plasma Desktop
VirtualBox is a platform-independent open-source virtualization software available for Linux, OS X, Solaris and Windows hosts. Guest additions need to be installed to automatically adjust the guest screen resolution. USB is supported through a proprietary extension.