如何在Ubuntu 20.04中启动rc.local？

1. sudo vim /lib/systemd/system/rc-local.service

文件末添加

[Install]
WantedBy=multi-user.target
Alias=rc-local.service

2. sudo ln -s /lib/systemd/system/rc-local.service /etc/systemd/system/rc-local.service

3. sudo vim /etc/rc.local

4. sudo chmod +x /etc/rc.local

5. reboot