Ubuntu 22.04 开机自启服务
1、编写开机自启脚本
```
cd /etc/systemd/system
sudo vim vxd.service
```
脚本内容:
```
[Unit]
Description=vx
#After=network.target
After=network-online.target
Wants=network-online.target
[Service]
ExecStart=/etc/init.d/vx.sh
SuccessExitStatus=143
[Install]
WantedBy=multi-user.target
Alias=vxd.service
```
2、启用开机自启
```
sudo systemctl start vx.service
```
3、相关命令
```
systemctl status #显示系统状态
systemctl start [单元] #立即激活单元:
systemctl stop [单元] #立即停止单元
systemctl restart [单元] #重启单元
systemctl enable [单元] #开机自动激活单元
systemctl disable [单元] #取消开机自动激活单元
systemctl is-active [单元] #是否在运行
systemctl daemon-reload #重新载入systemd,扫描新的或有变动的单元
```