Ubuntu 18.04 设置开机自启动 自动执行命令 亲测成功

Keva
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Ubuntu-18.04不能像Ubuntu14一样通过编辑rc.local来设置开机启动脚本,通过下列简单设置后,可以使rc.local重新发挥作用。

1、创建rc-local.service文件(sudo vim /etc/systemd/system/rc-local.service),并添加以下内容

[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

2、创建rc.local文件(sudo vim /etc/rc.local),并添加以下内容

#!/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
# 执行命令,如启动网站
/home/dev/moltke.sh start
exit 0

3、设置rc.local权限

sudo chmod +x /etc/rc.local

4、启用服务

sudo systemctl enable rc-local

5、启动并查看服务

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

注意:在设置时出现java环境变量问题,可在执行文件sh中重新设置环境变量即可

JAVA_HOME=/home/_dev/jdk1.8.0_261
export PATH=${JAVA_HOME}/bin:$PATH

6、重启并检查test.log文件

cat /usr/local/test.log

如果能看到内容,说明设置成功,你就可以通过编辑rc.local文件来设置启动脚本了

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