Debian9解决开机自启问题

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

并且默认情况下这个服务还是关闭的状态

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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

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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

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chmod +x /etc/rc.local

接着启动 rc-local 服务

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systemctl start rc-local

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.
重启以后试试是否生效了