<part xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xi="http://www.w3.org/2001/XInclude" version="5.0" xml:id="ch-running"> <title>Administration</title> <partintro> <para>This chapter describes various aspects of managing a running NixOS system, such as how to use the <command>systemd</command> service manager.</para> </partintro> <xi:include href="service-mgmt.xml" /> <xi:include href="rebooting.xml" /> <xi:include href="user-sessions.xml" /> <xi:include href="control-groups.xml" /> <xi:include href="logging.xml" /> <xi:include href="cleaning-store.xml" /> <xi:include href="containers.xml" /> <xi:include href="troubleshooting.xml" /> </part>