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Can we list sudo commands without a password?
You can use the NOPASSWD directive in your /etc/sudoers file. This will allow the user user to run the desired commands on host without entering a password. All other sudo ed commands will still require a password.
How can I run su without password?
You can also su to another user without requiring a password by making some changes in the sudoers file. In this case, the user (for example aaronk) who will switch to another user account (for example postgres) should be in the sudoers file or in the sudo group to be able to invoke the sudo command.
What is the password for sudo command?
There is no default password for sudo . The password that is being asked, is the same password that you set when you installed Ubuntu – the one you use to login.
Can I sudo with password?
By default, sudo needs that a user authenticates using a password before running a command. Some times you may need to run a command with root privileges, but you do not want to type a password using sudo command. This is useful for scripting or any other purpose.
Do you need a password to use sudo?
If your administrator account has no password (a blank password), you must give that user a password before using the sudo command. If you must remove the need for a password to use sudo, you can edit the /etc/sudoers file using visudo command. A thread on macoshints discusses how: Use the visudo command as root.
How long does it take to run sudo command in Fedora?
Most Linux distributions like Ubuntu, Debian, Fedora use the sudo mechanism to allow admin users to run commands with root privileges. When you run a command with sudo, it asks for your account’s password. The default timeout for the password is 15 minutes (in Ubuntu Linux).
Why do I get locked out of SUDO?
If you did not use visudo to edit your files and then accidentally messed up /etc/sudoers or messed up a file in /etc/sudoers.d then you will be locked out of sudo. The solution could be to fix the files using pkexec which is an alternative to sudo.
Where can I find the nopasswd directive in sudoers?
You can use the NOPASSWD directive in your /etc/sudoers file. If your user is called user and your host is called host you could add these lines to /etc/sudoers: This will allow the user user to run the desired commands on host without entering a password.