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Debian 10 解决 /etc/rc.local 开机启动问题

由于某些软件没有开机自动启动的服务,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 10 默认不带 /etc/rc.local 文件,而 rc.local 服务却还是自带的.

查看服务配置文件

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[root@debian /root]#  cat /lib/systemd/system/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(8)
ConditionFileIsExecutable=/etc/rc.local
After=network.target

[Service]
Type=forking
ExecStart=/etc/rc.local start
TimeoutSec=0
RemainAfterExit=yes
GuessMainPID=no

查看服务状态

默认情况下这个服务还是关闭的状态

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[root@debian /root]#  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: /usr/lib/systemd/system/rc-local.service.d
└─debian.conf
Active: inactive (dead)
Docs: man:systemd-rc-local-generator(8)

增加配置文件

为了解决这个问题,我们需要手工添加一个 /etc/rc.local 文件

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[root@debian /root]#  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

赋予配置文件权限

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[root@debian /root]#  chmod +x /etc/rc.local

启动 rc-local 服务

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[root@debian /root]#  systemctl start rc-local

查看服务状态

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[root@debian /root]#  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: /usr/lib/systemd/system/rc-local.service.d
└─debian.conf
Active: active (exited) since Tue 2020-03-17 10:04:27 CST; 9s ago
Docs: man:systemd-rc-local-generator(8)
Process: 18500 ExecStart=/etc/rc.local start (code=exited, status=0/SUCCESS)

3月 17 10:04:27 debian systemd[1]: Starting /etc/rc.local Compatibility...
3月 17 10:04:27 debian systemd[1]: Started /etc/rc.local Compatibility.

现在你可以把需要开机启动的命令添加到 /etc/rc.local 文件,丢在 exit 0 前面即可,并尝试重启以后试试是否生效。

文章作者: 樵子
文章链接: https://www.aikiki.top/hexo/2020/03/17/Debian-10-%E8%A7%A3%E5%86%B3--etc-rc.local-%E5%BC%80%E6%9C%BA%E5%90%AF%E5%8A%A8%E9%97%AE%E9%A2%98/
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