A start job is running for dev-ttyS0.device
[ TIME ] Timed out waiting for device dev-ttyS0.device.
[DEPEND] Dependency failed for Serial Getty on ttyS0.
/lib/systemd/system/serial-getty@.service
Steps
1. First copy the template:
# cp /usr/lib/systemd/system/serial-getty@.service /etc/systemd/system/serial-getty@ttyS0.service
2. Then edit the file and modify the agetty line:
[Service]
ExecStart=-/sbin/agetty --keep-baud 115200,38400,9600 %I $TERM <-- Change this parameter
Type=idle
3. Create a symlink:
# ln -s /etc/systemd/system/serial-getty@ttyS0.service /etc/systemd/system/getty.target.wants/
4. Reload the daemon and start the service:
# systemctl daemon-reload # systemctl start serial-getty@ttyS0.service # systemctl enable serial-getty@ttyS0.service