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Debian-Pi-Aarch64
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#### [ TIME ] Timed out waiting for device dev-ttyS0.device. [DEPEND] Dependency failed for Serial Getty on ttyS0.
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
```