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SYSTEMD-SYSV-GENERATOR(8) systemd-sysv-generatorSYSTEMD-SYSV-GENERATOR(8)
systemd-sysv-generator - Unit generator for SysV init scripts
/usr/lib/systemd/system-generators/systemd-sysv-generator
Note: this component is deprecated and scheduled for removal.
Please replace remaining SysV init scripts with native unit files.
systemd-sysv-generator is a generator that creates wrapper
.service units for System V init[1] scripts in /etc/init.d/* at
boot and when configuration of the system manager is reloaded.
This allows systemd(1) to support them similarly to native units.
LSB headers[2] in SysV init scripts are interpreted, and the
ordering specified in the header is turned into dependencies
between the generated unit and other units. The LSB facilities
"$remote_fs", "$network", "$named", "$portmap", "$time" are
supported and will be turned into dependencies on specific native
systemd targets. See systemd.special(7) for more details.
Note that compatibility is quite comprehensive but not 100%, for
more details see Compatibility with SysV[3].
systemd does not support SysV scripts as part of early boot, so
all wrapper units are ordered after basic.target.
systemd-sysv-generator implements systemd.generator(7).
systemd(1), systemd.service(5), systemd.target(5)
1. System V init
https://savannah.nongnu.org/projects/sysvinit
2. LSB headers
http://refspecs.linuxbase.org/LSB_3.1.1/LSB-Core-generic/LSB-Core-generic/iniscrptact.html
3. Compatibility with SysV
https://systemd.io/INCOMPATIBILITIES
This page is part of the systemd (systemd system and service
manager) project. Information about the project can be found at
⟨http://www.freedesktop.org/wiki/Software/systemd⟩. If you have a
bug report for this manual page, see
⟨http://www.freedesktop.org/wiki/Software/systemd/#bugreports⟩.
This page was obtained from the project's upstream Git repository
⟨https://github.com/systemd/systemd.git⟩ on 2025-08-11. (At that
time, the date of the most recent commit that was found in the
repository was 2025-08-11.) If you discover any rendering
problems in this HTML version of the page, or you believe there is
a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
systemd 258~rc2 SYSTEMD-SYSV-GENERATOR(8)
Pages that refer to this page: systemd.service(5), systemd.directives(7), systemd.generator(7), systemd.index(7)