ubuntu-18.04 设置开机启动脚本-亲测有效

ubuntu-18.04不能像ubuntu14同样经过编辑rc.local来设置开机启动脚本，经过下列简单设置后，能够使rc.local从新发挥做用。

二、将下列内容复制进rc-local.service文件

[Unit]
Description=/etc/rc.local Compatibility
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

三、建立文件rc.local

sudo vi /etc/rc.local

四、将下列内容复制进rc.local文件

#!/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.
echo "看到这行字，说明添加自启动脚本成功。" > /usr/local/test.log
exit 0

五、给rc.local加上权限

sudo chmod +x /etc/rc.local

六、启用服务 

sudo systemctl enable rc-local

七、启动服务并检查状态

sudo systemctl start rc-local.service
sudo systemctl status rc-local.service

八、重启并检查test.log文件

cat /usr/local/test.log　　

若是能看到内容，说明设置成功，你就能够经过编辑rc.local文件来设置启动脚本了

参考文档： https://www.cnblogs.com/airdot/p/9688530.html