Two ways to configure Linux to automatically start executing scripts at boot

Script qidong.sh to be started at startup

[root@c69-01 scripts]# vim /server/scripts/qidong.sh [root@c69-01 scripts]# cat /server/scripts/qidong.sh #!/bin/bash /bin/echo $(/bin/date +%F_%T) >> /tmp/qidong.log

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Method 1: Modify /etc/rc.local

/etc/rc.local, this file is a link file

[root@c69-01 ~]# ll /etc/rc.local lrwxrwxrwx. 1 root root 13 Feb 5 10:03 /etc/rc.local -> rc.d/rc.local

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Modify the /etc/rc.local file

[root@c69-01 scripts]# tail -n 1 /etc/rc.local  /bin/bash /server/scripts/qidong.sh >/dev/null 2>/dev/null

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Restart the system and check the results

[root@c69-01 ~]# cat /tmp/qidong.log 2018-02-19_23:30:56

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This script has been started automatically after booting up

Method 2: chkconfig management

Delete the configuration of method 1

[root@c69-01 ~]# vim /etc/init.d/test  #!/bin/bash # chkconfig: 3 88 88 /bin/bash /server/scripts/qidong.sh >/dev/null 2>/dev/null [root@c69-01 ~]# chmod +x /etc/init.d/test

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Add to chkconfig and start automatically at boot

[root@c69-01 ~]# chkconfig --add test

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[root@c69-01 ~]# chkconfig --list test test 0:off 1:off 2:off 3:on 4:off 5:off 6:off

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Restart the system and check the results

[root@c69-01 ~]# cat /tmp/qidong.log 2018-02-19_23:30:562018-02-19_23:59:10

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Operation successful

Turn off and start up

[root@c69-01 ~]# chkconfig test off [root@c69-01 ~]# chkconfig --list test test 0:off 1:off 2:off 3:off 4:off 5:off 6:off

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Remove test from chkconfig management

[root@c69-01 ~]# chkconfig --list test test 0:off 1:off 2:off 3:off 4:off 5:off 6:off [root@c69-01 ~]# chkconfig --del test [root@c69-01 ~]# chkconfig --list test service test supports chkconfig, but is not referenced in any runlevel (run 'chkconfig --add test')

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The above two methods of self-starting scripts at boot are for reference only. Readers can configure them according to their own circumstances!

Note: The system I am using is CentOS release 6.9 (Final)

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