
systemd
systemd provides aggressive parallelization capabilities, uses socket and D-Bus activation for starting services, offers on-demand starting of daemons, keeps track of processes using Linux …
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
The systemd-coredump handler will extract a backtrace and ELF packaging metadata from any coredumps it receives and log both.
Running Services After the Network Is Up - systemd
systemd provides three target units related to network configuration: Network pre-configuration: network-pre.target. network-pre.target is used to order services before any network interfaces …
systemd-boot UEFI Boot Manager
systemd-boot is a UEFI boot manager which executes configured EFI images. The default entry is selected by a configured pattern (glob) or an on-screen menu. systemd-boot operates on the …
systemd Repository Architecture
This document provides a high-level overview of the various components of the systemd repository. Source Code Directories in src/ provide the implementation of all daemons, …
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. …
Users, Groups, UIDs and GIDs on systemd Systems
Users, Groups, UIDs and GIDs on systemd Systems. Here’s a summary of the requirements systemd (and Linux) make on UID/GID assignments and their ranges. Note that while in theory …
TPM2 PCR Measurements Made by systemd
TPM2 PCR Measurements Made by systemd. Various systemd components issue TPM2 PCR measurements during the boot process, both in UEFI mode and from userspace. The following …
Using /tmp/ and /var/tmp/ Safely - systemd
By default, systemd-tmpfiles will apply a concept of ⚠️ “ageing” to all files and directories stored in /tmp/ and /var/tmp/. This means that files that have neither been changed nor read within a …