Oneshot
[Unit]
Description=A simple oneshot service
[Service]
Type=oneshot
ExecStart=/bin/bash -c "echo Hello world"
RemainAfterExit=yes
[Install]
WantedBy=multi-user.target
[Unit]
Description=A simple oneshot service
[Service]
Type=oneshot
ExecStart=/bin/bash -c "echo Hello world"
RemainAfterExit=yes
[Install]
WantedBy=multi-user.target