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Run the Specified Command/Auto Run Command of Ubuntu/Linux

Source: Internet
Author: User
Keywords run command ubuntu linux run command linux run command on boot
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In many cases, Ubuntu is required to execute some specified commands when booting, and the operation methods are recorded here.
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Create your own startup script in /etc/init.d/ 
# The file name mystart here can be modified to any name you like, but it must be placed in the /etc/init.d/ directory
cd /etc/init.d
sudo vim /etc/init.d/mystart.sh
Write the command that needs to be executed, 
#!/bin/bash
### BEGIN INIT INFO
# Provides: tuzixini
# Required-Start: $local_fs $network
# Required-Stop: $local_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: self define auto start
# Description: self define auto start
### END INIT INFO
# The above part must also be written, followed by the command you need to boot to execute, here is to mount a hard disk
sudo mount /dev/sdb1 /opt/disk
Modify the script file permissions (replace mystart.sh in the command with the actual script file name) 
sudo chmod 755 /etc/init.d/mystart.sh
Add boot start (replace mystart.sh in the command with the actual script file name) 
sudo update-rc.d mystart.sh defaults 90
ok, complete, this command will be run automatically when the system is started later.

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