Ubuntu 18.04 LTS设置开启自启动脚本

在Ubuntu里面安装了几个服务后想让他们开机自启,在Ubuntu里面可以通过systemctl来实现。

下面都将以rc-local这个脚本作为讲解

#建立rc-local.service文件
sudo vi /etc/systemd/system/rc-local.service

#在里面写入如下内容
[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

#然后在创建文件rc.local
sudo vi /etc/rc.local

#里面写入下面内容(这个里面就是所有的执行的脚本了)
#!/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


#加上权限
sudo chmod +x /etc/rc.local
#启动服务
sudo systemctl enable rc-local
#开启服务
sudo systemctl start rc-local.service
#查看状态
sudo systemctl status rc-local.service
#重启并检查test.log文件
cat /usr/local/test.log
#如果里面有内容说自启动脚本安装成功

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