Linux Boot Auto-execute script settings

1. First copy the scripts that need to be powered on automatically demoshell to/ETC/INIT.D

2. Modify permissions for this script chmod 755/etc/init.d/demoshell

3. Set the script to execute at startup

Cd/etc/init.d

UPDATE-RC.D Demoshell Defaults 95

The last number indicates the order of execution, which is the first of several executed

This command is equivalent to UPDATE-RC.D Demoshell start 95 2 3 4 5. Stop 95 0 1 6 indicates that 95th runs Demoshell at the level of Linux running 2,3,4,5, and 95th in 0,1,6 RunLevel Demoshell

Also attached:

Operating levels in Ubuntu

• 0 (Shut down the system)
• 1 (Single-user mode, only allows root users to maintain the system.) ）
• 2 to 5 (multi-user mode, where 3 is the character interface and 5 is the graphical interface. ）
• 6 (Restart System)

Linux Boot Auto-execute script settings