Systemd: Difference between revisions
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[http://www.freedesktop.org/wiki/Software/systemd/ systemd] is the "master process" of a SprezzOS instance. It is the first userspace process invoked following the kernel/initramfs, and lives as PID 1 throughout the instance, playing the traditional role of <tt>/sbin/init</tt>. | [http://www.freedesktop.org/wiki/Software/systemd/ systemd] is the "master process" of a SprezzOS instance. It is the first userspace process invoked following the kernel/initramfs, and lives as PID 1 throughout the instance, playing the traditional role of <tt>/sbin/init</tt> (indeed, <tt>/sbin/init</tt> is a symlink to <tt>/lib/systemd/systemd</tt> on a typical SprezzOS box). | ||
The Debian packages from which we derived generally did not ship systemd service files, though some upstream projects did ship their own. For each such package, we must add systemd support. We want to remain compatible with the Debian <tt>/etc/default</tt> system, so our systemd units specify these as <tt>EnrionmentFile</tt> entries as appropriate. The sysvinit file installed into <tt>/etc/init.d</tt>, however, is removed, and symlinks are no longer set up in <tt>/etc/rc.d</tt>. | |||
==Conversion== | ==Conversion== | ||
Latest revision as of 23:53, 20 February 2013
systemd is the "master process" of a SprezzOS instance. It is the first userspace process invoked following the kernel/initramfs, and lives as PID 1 throughout the instance, playing the traditional role of /sbin/init (indeed, /sbin/init is a symlink to /lib/systemd/systemd on a typical SprezzOS box).
The Debian packages from which we derived generally did not ship systemd service files, though some upstream projects did ship their own. For each such package, we must add systemd support. We want to remain compatible with the Debian /etc/default system, so our systemd units specify these as EnrionmentFile entries as appropriate. The sysvinit file installed into /etc/init.d, however, is removed, and symlinks are no longer set up in /etc/rc.d.
Conversion
| Service | Unit file | Starts appropriately? | Stops appropriately? |
|---|---|---|---|
| DBUS | Yes, 1.6.8-SprezzOS1 | Yes, 1.6.8-SprezzOS1 | |
| GPM | No, 1.99.7-SprezzOS1git20130208 | N/A | |
| OpenNTPD | Yes, 20080406p-SprezzOS8 | Yes, 20080406p-SprezzOS8 | |
| OpenSSH | Yes, 1:6.1p1-SprezzOS13 | Yes, 1:6.1p1-SprezzOS13 | |
| Postfix | Broken, 2.10.0-SprezzOS1 | N/A |
See Also
- Gentoo's systemd unit archive
- ArchWiki's systemd wiki page
