[Unit] Description=libvirt LXC daemon Documentation=man:virtlxcd(8) Documentation=https://libvirt.org/ BindsTo=virtlxcd.socket Wants=virtlxcd-ro.socket Wants=virtlxcd-admin.socket After=virtlxcd.socket After=virtlxcd-ro.socket After=virtlxcd-admin.socket Conflicts=libvirtd.service After=libvirtd.service After=network.target After=dbus.service After=apparmor.service Wants=systemd-machined.service After=systemd-machined.service After=remote-fs.target [Service] Type=notify-reload Environment=VIRTLXCD_ARGS="--timeout 120" EnvironmentFile=-/etc/sysconfig/virtlxcd ExecStart=/usr/bin/virtlxcd $VIRTLXCD_ARGS ExecReload=/bin/kill -HUP $MAINPID Restart=on-failure KillMode=process # Raise hard limits to match behaviour of systemd >= 240. # During startup, daemon will set soft limit to match hard limit # per systemd recommendations LimitNOFILE=1024:524288 # The cgroups pids controller can limit the number of tasks started by # the daemon, which can limit the number of domains for some hypervisors. # A conservative default of 8 tasks per guest results in a TasksMax of # 32k to support 4096 guests. TasksMax=32768 # With cgroups v2 there is no devices controller anymore, we have to use # eBPF to control access to devices. In order to do that we create a eBPF # hash MAP which locks memory. The default map size for 64 devices together # with program takes 12k per guest. After rounding up we will get 64M to # support 4096 guests. LimitMEMLOCK=64M [Install] WantedBy=multi-user.target Also=virtlxcd.socket Also=virtlxcd-ro.socket Also=virtlxcd-admin.socket