添加 rc-local.service 服务
su
# 输入 root 用户密码
cat > /etc/systemd/system/rc-local.service <<EOF
[Unit]
Description=/etc/rc.local
ConditionPathExists=/etc/rc.local
[Service]
Type=forking
ExecStart=/etc/rc.local start
TimeoutSec=0
StandardOutput=tty
RemainAfterExit=yes
SysVStartPriority=99
[Install]
WantedBy=multi-user.target
EOF新建 rc-local 文件
cat > /etc/rc.local <<EOF
#!/bin/sh -e
#
# rc.local
#
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
#
# In order to enable or disable this script just change the execution
# bits.
#
# By default this script does nothing.
exit 0
EOF添加权限并设置开机自启
sudo chmod +x /etc/rc.local
sudo systemctl daemon-reload
sudo systemctl enable rc-local
sudo systemctl start rc-local.service检查状态
systemctl status rc-local.service最后我们就可以在/etc/rc.local里，添加开机的自启命令什么的了。记住添加在exit 0之前。