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 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.

A: The recommended way is to copy the service file from /usr/lib/systemd/system to /etc/systemd/system and edit it there. The latter directory takes precedence over the former, …

Its primary purpose is for ordering things properly at shutdown: since the shutdown ordering of units in systemd is the reverse of the startup ordering, any unit that has After=network.target …

This allows placing encrypted credentials in the EFI System Partition, which are then picked up by systemd-stub and passed to the kernel and ultimately userspace where systemd receives them.

When you have systemd running to the extent that it can provide you with a shell, please use it to extract useful information for debugging. Boot with these parameters on the kernel command line:

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.

Well, as mentioned above, a dependency network between objects, usable for propagation, combined with a powerful execution engine is basically what systemd is. Since cgroups …

Starting with v197 systemd/udev will automatically assign predictable, stable network interface names for all local Ethernet, WLAN and WWAN interfaces. This is a departure from the …

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 …