Algunos ejemplos de systemd units

Tomado de algunos paquetes arbitrarios Fedora.

/lib/systemd/system/rsyslog.service (Fedora 16)

[Unit]
Description=System Logging Service

[Service]
EnvironmentFile=-/etc/sysconfig/rsyslog
ExecStartPre=/bin/systemctl stop systemd-kmsg-syslogd.service
ExecStart=/sbin/rsyslogd -n $SYSLOGD_OPTIONS
Sockets=syslog.socket
StandardOutput=null

[Install]
WantedBy=multi-user.target

/lib/systemd/system/iptables.service (Fedora 16)

[Unit]
Description=IPv4 firewall with iptables
After=syslog.target
ConditionPathExists=/etc/sysconfig/iptables

[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/usr/libexec/iptables.init start
ExecStop=/usr/libexec/iptables.init stop
Environment=BOOTUP=serial
Environment=CONSOLETYPE=serial
StandardOutput=syslog
StandardError=syslog

[Install]
WantedBy=basic.target