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#Sudo su without password password#

My problem is the system asks password to me. In my situation I needed to allow multiple users to su to a specific user. Create a shell script with just that command Open up gedit (or your favorite editor), and create the script e.g. > rtc., is allowed to run WITHOUT needing the password. I don't enter password and the command works. The correct way to do it to setup sudo such that only the one specific command you need, i.e. If I use this command for "scp", "mv", "whoami" commands, the command works very well but when I use for "chmod", the command asks for password for my user. Then you would call from the terminal: sudo -u user2 /Applications/Skype.I trying run a script without become the su user and I use this command for this: echo "password" | sudo -S I assume you have Skype installed in your Applications folder: user1 ALL=(user2) NOPASSWD: /Applications/Skype.app/Contents/MacOS/Skype Although its possible to enable passwordless sudo. Backup your /etc/sudoers file by typing the following command: sudo cp /etc/sudoers /root/sudoers.bak 2.

#Sudo su without password how to#

You could consider adding Skype directly to the sudo's configuration file. If the settings are correct, you should be switched to the root user without having to provide a password. How to to run sudo command without a password: 1. I have just seen your comment regarding Skype. So, while it defies all security principles, echo 'password' sudo -S su. From then on, it should work like a charm. Edit the file and make it a script that prints your password: /bin/sh printf sn yourpassword Now you can do this: SUDOASKPASS'. On Ubuntu 16, there is a simpler way: just add the user to the sudo group, like this: sudo usermod -aG sudo username. The password must be followed by a newline character. As mentioned by Basilevs you need to add your user to the sudoers file in order to avoid that sudo commands in the script get stuck awaiting the password. If you want to be able to switch to any user just use user1 ALL=(ALL) NOPASSWD: /bin/bash 2 Answers Sorted by: 15 From man sudo: -S The -S (stdin) option causes sudo to read the password from the standard input instead of the terminal device. We can also configure sudo usage without any passwords by tweaking this file. You can grant additional permissions to regular users by adding them to the sudoers list. Configure sudo Without Password The sudoers file in Linux allows admins to manage usage rights for different users. You can replace also /bin/bash by ALL and then you could launch any command as user2 without a password: sudo -u user2. Luckily, you can easily use the sudo command without passwords. So you navigate at the end of the file and add this: user1 ALL=(user2) NOPASSWD: /bin/bash Curiously I checked the '/etc/sudoers' and found nothing about user vagrant. This procedure I have to do in all the servers. I just found that I can change to root by 'sudo su -' without entering a password when inside the box supervised by Vagrant. This is where you need to add the new line. To Run the Restart service I need to switch user to suser using below command: ( I need this command without password prompt) sudo su - suser The above command prompts for password where I will provide my password to restart services.

This file is structured in different section, the aliases, then defaults and finally at the end you have the rules. You usually need super user privilege for visudo: sudo visudo Another command line editor sometimes regarded as easier is nano, so you would do export EDITOR=/usr/bin/nano. Note: this command will open the configuration using the vi text editor, if you are unconfortable with that, you need to set another editor (using export EDITOR=) before executing the following line. If you are on a server, you should be extra careful specially if you have SSH enabled. To configure sudo, you must edit its configuration file via: visudo. I realize this answer is old - but theres still a problem here: if the file is located in /home/username, then the system can be compromised if that directory is writable by a malicious user (or a non-root login that is compromised).They could remove or rename the file, put another script in its place, and running that script via sudo- without a password. In Linux, you can change sudo configuration to run some or all command with sudo but without entering password. It needs a bit of configuration though, but once done you would only do this: sudo -u user2 -sĪnd you would be logged in as user2 without entering a password.