Linux cli command systemd-volatile-root.service

➡ A Linux man page (short for manual page) is a form of software documentation found on Linux and Unix-like operating systems. This man-page explains the command systemd-volatile-root.service and provides detailed information about the command systemd-volatile-root.service, system calls, library functions, and other aspects of the system, including usage, options, and examples of _. You can access this man page by typing man followed by the systemd-volatile-root.service.

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NAME 🖥️ systemd-volatile-root.service 🖥️

volatile-root.service, systemd-volatile-root - Make the root file system volatile

SYNOPSIS

systemd-volatile-root.service

/usr/lib/systemd/systemd-volatile-root

DESCRIPTION

systemd-volatile-root.service is a service that replaces the root directory with a volatile memory file system (“tmpfs”), mounting the original (non-volatile) /usr/ inside it read-only. This way, vendor data from /usr/ is available as usual, but all configuration data in /etc/, all state data in /var/ and all other resources stored directly under the root directory are reset on boot and lost at shutdown, enabling fully stateless systems.

This service is only enabled if full volatile mode is selected, for example by specifying “systemd.volatile=yes” on the kernel command line. This service runs only in the initrd, before the system transitions to the hosts root directory. Note that this service is not used if “systemd.volatile=state” is used, as in that mode the root directory is non-volatile.

SEE ALSO

systemd(1), systemd-fstab-generator(8), kernel-command-line(7)

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