How to Run Bash Script as Root During Startup on Linux

1. How do I run a bash script at startup?
2. How do I run a script as root in Linux?
3. How do I get a script to run on startup in Linux?
4. How do I make a shell script run automatically?
5. How do I write a script in Linux?
6. How do I run a command prompt at startup?
7. How do I run a sudo script?
8. How do I run a Sudo file?
9. How do I run a command without sudo?
10. What is Startup script in Linux?
11. How do I run a Linux command?
12. How do I run a shell script automatically in Unix?
13. How do I automate a Linux command?

How do I run a bash script at startup?

Basic rundown:

1. Create a file for your startup script and write your script in the file: $ sudo nano /etc/init.d/superscript.
2. Save and exit: Ctrl + X , Y , Enter.
3. Make the script executable: $ sudo chmod 755 /etc/init.d/superscript.
4. Register script to be run at startup: $ sudo update-rc.d superscript defaults.

How do I run a script as root in Linux?

Write your script, with the commands you want to run as root, and save it e.g. as /path/to/root-script.sh . Make root (or the desired user) the owner of the script. Set the setuid bit on the script, with other desired permissions. (make sure it is not universally writable etc.)

How do I get a script to run on startup in Linux?

There is more than one way to do this.

1. Put the command in your crontab file. The crontab file in Linux is a daemon that performs user-edited tasks at specific times and events. ...
2. Put a script containing the command in your /etc directory. Create a script such as "startup.sh" using your favorite text editor. ...
3. Edit the /rc.

How do I make a shell script run automatically?

You have several options to run the script on remote machine: copy the file on the remote machine in the same location with the same file name (with ftp or ssh you can do this with another script) and set the linux machine's cron job to execute that same file daily.

How do I write a script in Linux?

How to Write Shell Script in Linux/Unix

1. Create a file using a vi editor(or any other editor). Name script file with extension . sh.
2. Start the script with #! /bin/sh.
3. Write some code.
4. Save the script file as filename.sh.
5. For executing the script type bash filename.sh.

How do I run a command prompt at startup?

The easiest way to trigger scripts to run at startup is to drop then inside the startup folder. You can get to the startup folder a couple ways: Open the Run dialog with WindowsKey+R and enter shell:startup . In the command prompt, enter explorer shell:startup .

How do I run a sudo script?

Run sudo visudo . Add an entry for your username and the script that you would like to run without being asked for a password. Show activity on this post. Also, if you do not mind all your commands being executed as root you can simple execute your script using sudo , as previously suggested.

How do I run a Sudo file?

This can be done by doing the following:

1. Open a terminal.
2. Browse to the folder where the executable file is stored.
3. Type the following command: for any . bin file: sudo chmod +x filename.bin. for any .run file: sudo chmod +x filename.run.
4. When asked for, type the required password and press Enter.

How do I run a command without sudo?

This is possible by editing /etc/sudoers with the visudo command, and with the use of the alias shell built-in. Give yourself permission to sudo execute the commands without requiring a password prompt. Now you may type those commands and execute them without sudo, as though you were currently in a root shell.

What is Startup script in Linux?

Think of it like this: a startup script is something that is run automatically by some program. For example: say you don't like the default clock your OS has.

How do I run a Linux command?

Launch a terminal from your desktop's application menu and you will see the bash shell. There are other shells, but most Linux distributions use bash by default. Press Enter after typing a command to run it. Note that you don't need to add an .exe or anything like that – programs don't have file extensions on Linux.

How do I run a shell script automatically in Unix?

local file using nano or gedit editor and add your scripts in it. File path could be /etc/rc. local or /etc/rc. d/rc.
...
Test Test Test:

1. Run your test script without cron to make sure it actually works.
2. Make sure you saved your command in cron, use sudo crontab -e.
3. Reboot the server to confirm it all works sudo @reboot.

How do I automate a Linux command?

Here are my steps, in order:

1. launch putty, choose hostname & port, click Open (would love to script/automate this 1st part too)
2. linux shell/terminal opens.
3. I enter my login and pwd.
4. I enter this command: sudo su - psoftXXX.
5. I enter my pwd again and hit enter.
6. I am presented with a little cmd-shell menu and a prompt. ...
7. cd /