How To Use Etc Rc Local

In centos rhel 7 the etc rc d rc local file is controlled by rc local service.

How to use etc rc local. If you enable etc rc local to run on system boot using the command. The script etc rc local is for use by the system administrator. Make sure etc rc local file is executable. To save a file in nano text editor press ctrl o then press enter to confirm. Sudo chmod x etc rc local.

Now make it executable chmod x etc rc local. On your pi edit the file etc rc local using the editor of your choice. You must edit with root for example. That s the content of ubuntu 16 04 s stock etc rc local file. Sudo su systemctl status rc local.

Sudo i nano etc rc local step 2 fill with bash script in the rc local file. Next run the following command to make sure etc rc local file is executable. Sudo chmod x etc rc local. Add commands below the comment but leave the line exit 0 at the end then save the file and exit. Contents of rc local file bin sh e rc local this script is executed at the end of each multiuser runlevel.

Bin bash add your script or command here example route add net 192 168 0 0 24 gw 192 168 0 100 exit 0 step 3 grant execute access file rc local. Just paste your commands above the line that says exit 0. Type the following command in order to switch to the root user you will need to type in a password when prompted. You can now use this file to execute commands at system boot. Second please fill in the rc local file using bash script.

You might use it to start a custom service for example a server that s installed in usr local. Save and close the file. You will learn how to enable etc rc local on ubuntu 20 04 focal fossa during startup. To exit the file press ctrl x. Third grant execute access rights to the rc.