A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

systemd is a collection of daemons, libraries and tools for system management. Ubuntu's Upstart system was replaced with systemd starting with Ubuntu 15.04.
Chromium is the open source (BSD-licenced) web browser that Google Chrome is based on. Use this tag for questions about installing, configuring or using the free software Chromium browser, not the pro…
1523 questions
RAID stands for redundant array of independent disks, and allows for disks to be linked in various ways. Common RAID setups in Ubuntu are a hardware RAID, FakeRAID and software RAID.
For questions related to users, user accounts, user permissions or guest accounts.
Questions about Intel products or technologies. Intel is one of the leading manufacturers of CPUs and motherboards as well as a host of other hardware.
Questions about managing/using repositories in general and about selecting Ubuntu repositories in particular. Most of the latter questions could be added under the "ppa" and "apt-get" tags as well.
Questions about improving the performance, speed, and/or overall system responsiveness of Ubuntu. Note that this is a general tag, and should be accompanied by another tag indicating what kind of perf…
VMWare, Inc. is a company that provides cloud and virtualization products and services. Use this tag if you are using VMware's products along with the tag for the software you are using; either [vmwar…
Random-access memory (RAM) is a form of computer data storage. Today, it takes the form of integrated circuits that allow stored data to be accessed in any order with a worst case performance of const…
Juju is a Charmed Operator Framework, composed of a Charmed Operator Lifecycle Manager and the Charmed Operator SDK.
1415 questions
Broadcom wireless cards are known to have compatibility issues in Linux systems, and this tag should be used for questions about getting wireless working well on Ubuntu when a Broadcom card is involve…
VLC Media Player is an open-source media player / transcoder / streaming server maintained by the VideoLAN organization.
For questions related to AMD graphic cards, their drivers and related problems.
Questions about 19.04 are off-topic on Ask Ubuntu. Ubuntu 19.04 (Disco Dingo) was a non-LTS version released on April 18, 2019. It became End Of Life (EOL) on January 23, 2020.
1377 questions
For questions regarding storage drives that connect using a USB port.
Questions related to crashes of system or applications.
Portable Document Format (PDF) is an open standard for document exchange.
1362 questions
Python 3 is the latest major version of Python, a scripting language used by many open source developers.
Brand of graphics processing units from AMD, included with other manufacturers' graphics cards. Ask questions about configuring or troubleshooting in Ubuntu.
CPU stands for Central Processing Unit, and is the main processing chip used in every computer. Brands include Intel, AMD and ARM. CPUs are commonly available in 32- and 64-bit, and come in a variety …
should be used for questions relating to desktop environments, and not a specific desktop environment such as Gnome Shell, KDE, XFCE, LXDE, Unity.
Indicators are the icons that are located in the upper panel, doing things like estimating the battery level, displaying the current time, letting you adjust your volume, etc.
1331 questions
Unix systems, and other Unix-like operating systems, use the term "swap" to describe both the act of moving memory pages between RAM and disk, and the region of a disk the pages are stored on. In some…
1329 questions
Questions about 19.10 are off-topic on Ask Ubuntu. Ubuntu 19.10 (Eoan Ermine) was a non-LTS version released on October 17, 2019. It became End Of Life (EOL) on July 17, 2020.
1321 questions
The /etc/fstab file contains static file system information. It normally contains an entry for each partition name or UUID that lists the mount point, filesystem type and mount options.
Flash Players and Flash in general (the format etc). Use this tag if you have trouble enabling or installing Flash in Ubuntu.
1312 questions
Ubuntu One is the single account you use to log in to all services and sites related to Ubuntu. Previously, it was also a cross-platform synchronization service for files, contacts, notes, music and b…
1309 questions
Brand of laptop computers originally designed, manufactured and sold by IBM and now owned by Lenovo.
Questions about 17.04 are off-topic on Ask Ubuntu. Ubuntu 17.04 (Zesty Zapus) is a non-LTS version released on April 13, 2017. It became End Of Life (EOL) on January 13, 2018.
1283 questions
Questions about Wubi, a way to dual boot Ubuntu and Windows without partitioning. However, it's been abandoned for years and is depreciated.
1272 questions
Questions related to email setup and troubleshooting. Most questions can be tagged with your email client (such as "thunderbird" or "evolution")
Questions relating to Microsoft's Skype VOIP application and services.
1251 questions
Iptables is used to set up, maintain, and inspect the tables of IP packet filter rules in the Linux kernel.
Questions about the login screen, specifically customizing/troubleshooting it.
for questions regarding installing or using Ubuntu on Mac hardware. For questions about the hardware MAC address use the "networking" tag.
1239 questions
A microphone is a device that turns sound waves into something the computer can interpret. You can use microphones to capture audio for things like video chat, recording videos or podcasts, etc.
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