CentOS6 uses rc.local to achieve automatic startup on boot.

Nov 8, 2018#centos #linux55

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This article explains how to use rc.local in CentOS6 to enable automatic startup of a shell script. The process involves setting the script as executable, making rc.local executable, and adding the script to rc.local. The article also notes that in CentOS7, rc.local has limited permissions and may not be able to start certain services.

title: "CentOS6 Using rc.local for Boot Startup"
date: "2018-11-09"
categories:

"system management"
tags:
"centos"
"linux"

In CentOS6, you can add a startup shell script to rc.local to enable automatic startup.

Assuming you need to start:

/usr/share/autostartup/demo-service.sh

STEP1. Set the script that needs to be started as an executable file.

chmod +x /usr/share/autostartup/demo-service.sh

STEP2. Execute the following command to make the /etc/rc.d/rc.local file executable.

chmod +x /etc/rc.d/rc.local

In CentOS7, the permissions of the /etc/rc.d/rc.local file have been reduced, and it is not possible to start some services when booting.

Write the script that needs to be executed into /etc/rc.d/rc.local.

echo "/usr/share/autostartup/demo-service.sh" >> /etc/rc.d/rc.local