Placing sudoin front of a command runs it as a superuser, and by default, that does not need a password. In general, this is not a problem.

How to Set Up and Manage Sudo Permissions | Liquid Web May 04, 2020 How to Change Root Password in Ubuntu {Easy Way} Apr 10, 2019 run a sudo command, specifying the password on the same A better solution if you want to run something with sudo without putting in your password is to allow your user to do exactly that one command without password. Open sudoers file with sudo visudo and add the following line (obviously replace the username at the beginning and the command at the end): Raspberry Pi Changing Default User Password by theurbanpenguin

then for every user that needs sudo access WITH a password: sudo adduser sudo and for every user that needs sudo access WITH NO password: sudo adduser admin and finally, run this: sudo service sudo restart And that's it! Edit: You may have to add the admin group as I don't think it exists by default. sudo groupadd admin

Sudo runs a single command with root privileges. When you execute sudo command, the system prompts you for your current user account's password before running command as the root user. By default, Ubuntu remembers the password for fifteen minutes and won't ask for a password again until the fifteen minutes are up. On Linux systems, there is no default password set. To set the default password: Run the psql command from the postgres user account: sudo -u postgres psql postgres. Set the password: \password postgres. Enter a password. Close psql. \q. 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. This can be achieved by editing /etc/sudoers file and setting up correct entries. Here we are including a file called secret which will contain our sudo password. We will use ansible-vault to create an encrypted version of this file: ansible-vault create secret This will ask you for a password, then open your default editor to edit the file. You can put your ansible_sudo_pass in here. e.g.: secret: ansible_sudo_pass

How To Change Sudo Password Timeout In Linux - OSTechNix

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