时间:2018年09月08日 | 作者 : liuhui | 分类 : Linux | 浏览: 6656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)
Aug 03 09:41:18 xtom-proxy systemd[1]: Starting /etc/rc.local Compatibility...
Aug 03 09:41:18 xtom-proxy systemd[1]: Started /etc/rc.local Compatibility.
然后你就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了
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