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Debian9.5使用rc.local开机启动

时间：2018年09月08日 | 作者 : liuhui | 分类 : Linux | 浏览: 6635次 | 评论 0 人

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由于某些软件并没有增加开启启动的服务，很多时候需要手工添加，一般我们都是推荐添加命令到 /etc/rc.local 文件，但是 Debian 9 默认不带 /etc/rc.local 文件，而 rc.local 服务却还是自带的。

root@debian9 ~ # cat /lib/systemd/system/rc.local.service

# 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

ConditionFileIsExecutable=/etc/rc.local

After=network.target

[Service]

Type=forking

ExecStart=/etc/rc.local start

TimeoutSec=0

RemainAfterExit=yes

GuessMainPID=no

并且默认情况下这个服务还是关闭的状态

root@debian9 ~ # systemctl status rc-local

● rc-local.service - /etc/rc.local Compatibility

Loaded: loaded (/lib/systemd/system/rc-local.service; static; vendor preset: enabled)

Drop-In: /lib/systemd/system/rc-local.service.d

└─debian.conf

Active: inactive (dead)

为了解决这个问题，我们需要手工添加一个 /etc/rc.local 文件

cat <<EOF >/etc/rc.local
#!/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

然后赋予权限

chmod +x /etc/rc.local

接着启动 rc-local 服务

systemctl start rc-local

再次查看状态

root@debian9 ~ # systemctl status rc-local

● rc-local.service - /etc/rc.local Compatibility

Loaded: loaded (/lib/systemd/system/rc-local.service; static; vendor preset: enabled)

Drop-In: /lib/systemd/system/rc-local.service.d

└─debian.conf

Active: active (exited) since Thu 2017-08-03 09:41:18 UTC; 14s ago

Process: 20901 ExecStart=/etc/rc.local start (code=exited, status=0/SUCCESS)