Is there any way to run a shell script as root?

Is there any way to run a shell script as root?

I wrote a shell script that runs from the hook after every commit. It needs to be run as root. This is why I used sudo in the script, but it didn’t work. Is there any way to run the script as root? I was searching around and found this useful solution: Edit your sudoers file to allow running certain commands without a password.

How to run script as a different user from root?

The idea is to run the script like sudo -u user1 /root/script.sh I must say I never liked sudo (especially its configurations). Plain old su: Executed from root, it won’t prompt for password. It may be a good idea to leave /root untouched and create (or use) a different directory for this purpose (e.g. /usr/local/bin ).

Which is the only user allowed to execute the script?

You can make user1 the only user who is allowed to execute the script by making it the owner of the file or leave root as owner and group, set the simple access permissions ( chmod) to 770 and add user1 with ACLs ( setfacl ). user1 can only be root. You then also don’t need to put -u root to your sudo command. The % means the user group.

Do you need to put-u root in Sudo?

You then also don’t need to put -u root to your sudo command. The % means the user group. When you leave it out then only the user is allowed to execute the command. If you want a group of users to execute it, then leave like it is.

Can a su command be executed with root privileges?

In this case root-command will be executed with user, not with root privileges, because it will be executed after su will be finished ( su opens a new shell, not changes uid of the current shell). You can use the same trick here of course: But now you have the same as with sudo. There is an easy way to do it without a second script.

Where are the arguments in a shell script?

Shell command line arguments are accessible via $1 (the first), $n (the nth), or $* (all arguments), so your script should start: Now the name argument is accessible from the script as $name.

How to run script from root subdirectory?

For example, I created a script to run a command from a root subdirectory, the segment goes like this: The easiest way to do that would be to create a least two scripts. The first one should call the second one with root privileges. So every command you execute in the second script would be executed as root. or whatever you need.

Why is my root shell set to bash?

The error is occurring because you have set the root ‘s shell as /usr/bin/bash in /etc/passwd like: and make the modifications manually. You can obviously choose any other shell of your choice, just make sure that the path is correct.

How to switch to root in Linux-computer hope?

There is a special command named su (for “super user”, or “switch user”) that allows you to switch over to the root account. From the command line, type: su. Enter the password once prompted for the password. If successful, you are switched to the root user, and can run commands with full system privileges.

How to automatically execute shell script at Startup Boot?

For more information and options to be used see systemd.service manual page: Next, we create our custom shell script to be executed during systemd startup. The location and script name is already defined by service unit as /usr/local/bin/disk-space-check.sh. The content of the script can be simple as: