Upgrade all packages and restart monthly:
- Open up the
rootcrontab:
sudo crontab -e
- Add the following:
```
Upgrade all packages and restart monthly:
0 0 * * 5 [ “$(date +\%m -d tomorrow)” != “$(date +\%m)” ] && TZ=Asia/Tokyo bash -c ‘apt update && apt -y upgrade && apt -y autoremove && reboot’
`