YaST logo, an Aardvark
|Initial release||May 1996|
4.2.1 / April 26, 2019
|Type||Operating system setup and configuration tool|
|License||GNU General Public License|
YaST features tools that can configure many aspects of the system.
The first SuSE distribution that included YaST was released in May 1996. YaST was re-written in 1999 and included first in SuSE Linux 6.3 as only an installer. YaST2 was added to the desktop in SuSE Linux 6.4 and co-existed with YaST1 until YaST1's removal in SuSE Linux 8.0.
YaST is free software that SUSE has made available under the GPL in 2004. It is a tool for administering and maintaining a SUSE Linux installation. It allows administrators to install software, configure hardware, set up networks and servers, and more.
A feature of YaST is that it contains both Graphical user interface (GUI) and Text-based user interface (TUI) (with ncurses) front ends. This is especially useful for non-GUI installations such as servers, for system administration over slow Internet connections, and for when one is unable to boot into a graphical X server but still requires an advanced user interface to the package manager (for example, a novice user trying to downgrade an Xorg package to fix a graphical installation).
YaST offers package management functionality through the ZYpp project. The first ZYpp enabled package management YaST applications had performance problems and long start up times, but was improved in the 10.2 and 10.3 releases. Starting with openSUSE 11.0 alpha 3, ZYpp was integrated with the SAT solver project, making YaST and Zypper faster than other rpm based package managers.
YaST used to include SaX and SaX2, the Suse Advanced X configuration. SaX was re-written as SaX2 in SuSE Linux 6.4. SaX1 was removed in SuSE Linux 8.1 and SaX2 was removed from the YaST Control Center in openSUSE 11.2. SaX2 was removed completely in openSUSE 11.3. The GTK interface was removed in openSUSE Leap 42.1.
YaST often receives updates and improvements in Tumbleweed and between versions of Leap. openSUSE Leap 15.1, for example, saw improvements to the YaST interface for managing firewalls including of the addition of an interface in the command line version of YaST. In this same release of openSUSE Leap, YaST now has an updated logo and improved partition management module. 
AutoYaST is a system for installing one or more openSUSE systems automatically without user intervention. AutoYaST installations are performed using a control file with installation and configuration data.
The profile of each current system is stored in
WebYaST is a web interface for YaST that can be used to check the status of the current machine. It can check on the installation of packages, shutdown or reboot the system, change some system settings (such as the time), and change the status of system services or daemons.
The change of license of YaST from a previous rather restrictive license to the GPL in 2004 made it possible to port YaST to other GNU/Linux distributions. As a consequence of this, the project YaST4Debian was launched, which worked on a port of YaST to Debian.
The project, which was in contact with the YaST team of Novell/SuSE, reached some important milestones, such as the port of the modules yast2-ncurses and yast2-qt. Currently, the project is dormant, searching for a new voluntary project maintainer.
- Larabel, Michael (2013-08-12). "openSUSE 13.1 M4 Brings Ruby-Based YaST". Phoronix. Retrieved 2013-08-13.
- "File on GitHub". Retrieved 2014-05-14.
- "YaST2 Resource Page". Retrieved 2008-06-29.
- heise.de: YaST wird freie Software (german)
- "Novell Launches Open Source Systems Management Project". Novell. Retrieved 2008-03-01.
- "Libzypp". opensuse.org. Archived from the original on March 30, 2008. Retrieved 2008-04-27. Cite uses deprecated parameter
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- "fast package management". duncan.mac-vicar.com. Retrieved 2008-04-27.
- "openSUSE Community Releases Leap 15.1 Version". openSUSE News. Retrieved 2019-05-31.
- openSUSE 10.3 Startup. Novell. September 7, 2007. p. 32.
- Friedl, Jakub. "WebYaST User Guide". Novell. Novell. Retrieved 2014-05-17.
- yast4debian.alioth.debian.org YaST4Debian project status
- yast4debian.alioth.debian.org YaST4Debian project website