
System and Service Manager
System and Service Manager systemd is a suite of basic building blocks for a Linux system. It provides a system and service manager that runs as PID 1 and starts the rest of the system.
systemd-boot UEFI Boot Manager
systemd-boot reads simple and entirely generic boot loader configuration files; one file per boot loader entry to select from. All files need to reside on the ESP.
Control Group APIs and Delegation - systemd
So you are wondering about resource management with systemd, you know Linux control groups (cgroups) a bit and are trying to integrate your software with what systemd has to offer there.
Frequently Asked Questions - systemd
A: By default, systemd places all systemd daemons in their own cgroup in the “cpu” hierarchy. Unfortunately, due to a kernel limitation, this has the effect of disallowing RT entirely for the …
systemd Coredump Handling
While we recommend usage of the systemd-coredump handler, it’s fully supported to use alternative coredump handlers instead. A similar implementation pattern is recommended.
systemd Optimizations
This still needs some love in systemd upstream to be a smooth ride, but we definitely would like to go this way sooner or later, even for the normal desktops. Add an option for service units to …
New Control Group Interfaces - systemd
Systemd provides three unit types that are useful for the purpose of resource control: Services encapsulate a number of processes that are started and stopped by systemd based on …
systemd-resolved and VPNs
systemd-resolved.service supports routing lookups for specific domains to specific interfaces. This is useful for hooking up VPN software with systemd-resolved and making sure the exact right …
File Descriptor Store - systemd
The systemd-analyze tool may be used to list the current contents of the fdstore of any running service. The systemd-run tool may be used to quickly start a testing binary or similar as a service.
Presets - systemd
systemd 32 and newer support package “preset” policies. These encode which units shall be enabled by default when they are installed, and which units shall not be enabled.