How do you switch users in a shell script?

How do you switch users in a shell script?

Using the command su [username] allows you to run a command in the context of that user, from the current location. Using the following command su – [username] switches you to that users home directory. If you omit the username you are switching to root.

How do I switch users in Linux script?

The su command lets you switch the current user to any other user. If you need to run a command as a different (non-root) user, use the –l [username] option to specify the user account. Additionally, su can also be used to change to a different shell interpreter on the fly.

How do I run a command as a different user in Linux?

Linux Run Command As Another User

  1. runuser -l userNameHere -c ‘command’ runuser -l userNameHere -c ‘/path/to/command arg1 arg2’ runuser -u user — command1 arg1 arg2.
  2. su – su – username.
  3. su – root -c “command” OR su – -c “command arg1”
  4. su – root -c “ls -l /root”

How do I change the root user in shell script?

To get root access, you can use one of a variety of methods:

  1. Run sudo and type in your login password, if prompted, to run only that instance of the command as root.
  2. Run sudo -i .
  3. Use the su (substitute user) command to get a root shell.
  4. Run sudo -s .

How do I run a script as a different user?

How to run a shell script as another user

  1. $ ./ welcome.sh.
  2. $ su otheruser -s script.sh.
  3. $ su linuxways -s welcome.sh.
  4. $ sudo -H -u otheruser bash -c ‘echo “I am $USER, with uid $UID”‘
  5. $ sudo -H -u linuxways bash -c ‘echo “I am $USER, with uid $UID”‘
  6. $ cat /etc/passwd | grep linuxways.

How do I sudo to another user?

To run a command as the root user, use sudo command . You can specify a user with -u , for example sudo -u root command is the same as sudo command . However, if you want to run a command as another user, you need to specify that with -u ….Using sudo.

Commands Meaning
sudo -u user -s Start a shell as user.

How do I switch users in Ubuntu terminal?

To switch to the root user on Ubuntu-based distributions, enter sudo su in the command terminal. If you set a root password when you installed the distribution, enter su. To switch to another user and adopt their environment, enter su – followed by the name of the user (for example, su – ted).

How do I run a command as a different user?

To “Run as different user” using RUNAS Command in Command Prompt

  1. Open CMD.
  2. Enter the command. runas /user:USERNAME “C:\full\path\of\Program.exe” For example, if you want to start notepad from user Test run this command :
  3. Now you should enter users password.
  4. If there will be UAC pop up press yes.

How do I switch users in Ubuntu?

How do I change the shell of a user in Linux?

To use a different shell, or operating environment, enter the following: This command opens a root user account in Z shell. You can keep the environment of the current user account with the –p option: Replace [other_user] with the actual username you want to switch to.

How do I change the user on SU Command in Linux?

–h or –help – Show the help file for the su command. –p or ––preserve–environment – Preserve the shell environment (HOME, SHELL, USER, LOGNAME). To switch the logged-in user in this terminal window, enter the following: You’ll be asked for a password. Enter it, and the login will change to that user.

What happens when you switch user accounts in Linux?

The user account will switch, but you’ll keep the same home directory. This is useful if you need to run a command as a different user, but you need access to the current user’s data. To verify you remained in the same home environment, use the echo $HOME command that will display the directory you are working in.

How do I change the default user to root in Linux?

However you can switch to root by running the following command and entering the currently logged-in user’s password: The su command lets you switch the current user to any other user. If you need to run a command as a different (non-root) user, use the –l [username] option to specify the user account.

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