系统自带服务/lib/systemd/system/rc-local.service
软连接为 /lib/systemd/system/rc.local.service -> rc-local.service
# SPDX-License-Identifier: LGPL-2.1+
#
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version. # This unit gets pulled automatically into multi-user.target by
# systemd-rc-local-generator if /etc/rc.local is executable.
[Unit]
Description=/etc/rc.local Compatibility
Documentation=man:systemd-rc-local-generator()
ConditionFileIsExecutable=/etc/rc.local
After=network.target [Service]
Type=forking
ExecStart=/etc/rc.local start
TimeoutSec=
RemainAfterExit=yes
GuessMainPID=no
可以看到此文件缺少[install]部分，为他加上。
[Install]
WantedBy=multi-user.target
输入systemctl enable rc-local.service
系统启动时将执行/etc/rc.local文件里的内容
16.10开始不再有/etc/rc.local文件
创建
printf '%s\n' '#!/bin/bash' 'exit 0' | sudo tee -a /etc/rc.local
vim /etc/rc.local
添加以下内容用于测试
#!/bin/bash touch /var/lock/subsys/local source /etc/profile echo `date`,"ok" >>/tmp/test-rc-local.log
sudo chmod +x /etc/rc.local
重启后看效果