systemd
systemd is a software suite for system and service management on Linux built to unify service configuration and behavior across Linux distributions. Its main component is an init system used to bootstrap user space and manage user processes. It also provides various daemons and utilities, including device management, login management, network connection management, and event logging. The name systemd adheres to the Unix convention of naming daemons by appending the letter d, and also plays on the French phrase Système D (a person's ability to quickly adapt and improvise in the face of problems
Key facts
- Software.name
- systemd
- Software.logo
- Systemd-logo.svg
- Software.logo_size
- 200px
- Software.logo alt
- systemd logo, showing green circle and reverse symbol enclosed by bracket
- Software.screenshot
- Systemd-on-fedora.svg
- Software.screenshot alt
- systemd on Fedora 17 showing multiple component startups
- Software.caption
- systemd startup on Fedora 17
- Software.author
- Lennart Poettering
- Software.developer
- Red Hat (Lennart Poettering, Kay Sievers, Harald Hoyer, Daniel Mack, Tom Gundersen, David Herrmann); 345 different authors in 2018 and 2,032 different authors in total
- Software.programming language
- C
- Software.operating system
- Linux
~22 min read
Article
27 sectionsContents
- History
- Design
- Core components and libraries
- <span id="hostnamed"></span><span id="localed"></span><span id="machined"></span><span id="resolved"></span><span id="shutdownd"></span><span id="timesyncd"></span>Ancillary components
- Configuration of systemd
- Adoption
- Integration with other software
- Reception
- Forks and alternative implementations
- Forks of components
- eudev
- elogind
- Alternatives to components
- ConsoleKit2
- Abandoned forks
- Fork of components
- LoginKit
- systembsd
- notsystemd
- Fork including init system
- uselessd
- InitWare
- All Systems Go!
- See also
- Notes
- References
- External links
systemd is a software suite for system and service management on Linux built to unify service configuration and behavior across Linux distributions. Its main component is an init system used to bootstrap user space and manage user processes. It also provides various daemons and utilities, including device management, login management, network connection management, and event logging. The name systemd adheres to the Unix convention of naming daemons by appending the letter d, and also plays on the French phrase Système D (a person's ability to quickly adapt and improvise in the face of problems).
In Linux distributions, systemd is used as a replacement for Sysvinit and other init systems. Since 2015, nearly all Linux distributions have adopted systemd. It has been praised by developers and users of distributions that adopted it for providing a stable, fast out-of-the-box solution for issues that had existed in the Linux space for years. At the time of its adoption, it was the only parallel boot and init system offering centralized management of processes, daemons, services, and mount points..