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- What are the differences between su, sudo -s, sudo -i, sudo su?
81 sudo lets you run commands in your own user account with root privileges su lets you switch user so that you're actually logged in as root sudo -s runs a shell with root privileges sudo -i also acquires the root user's environment To see the difference between su and sudo -s, do cd ~ and then pwd after each of them
- sudo - Sudoers file, enable NOPASSWD for user, all commands - Ask Ubuntu
It seems is a good practice to create the wheel group for non-password sudo authentication instead of altering sudo group itself sudo groupadd wheel then in file etc sudoers add line %wheel ALL=(ALL) NOPASSWD: ALL
- unix - Command: sudo su - - Super User
Observed on Debian Wheezy with htop: 'sudo su -' has a child of 'su -', and 'su -' has a child of '-su' As mentioned above, root user can do 'su -' without entering password, so doing 'su -' inside of a root shell, you will have two different root shell processes ending the inner one will let you return back to the outer one
- linux - What does sudo -s actually do? - Super User
The two aren't really inconsistent - the sudo command always changes user, either to root, or to the user you specify with the -u switch All the -s does is provide a shortcut for starting a shell as that user
- How do I add a user to the sudo group? - Ask Ubuntu
333 sudo usermod -aG sudo <username> The a is very important Without it they'll be removed from all other groups You will need to either restart your shell terminal or log out and back in for this to take effect See also: How can I add a new user as sudoer using the command line?
- sudo - How do I login as root? - Ask Ubuntu
In that case, use: sudo su - to execute a login shell as root after auhenticating sudo, and that shell will not need sudo to run admin commands To return to the normal user shell, insert the command exit
- shell - sudo with password in one command line? - Super User
219 On busy days, I'd like to run $ configure make sudo make install halt on the night and go to bed, hoping the application would automatically be installed But what I see the next day is the screen where sudo asks me for the password So how could I run sudo with password in one command line, or is there any other method to do this?
- sudo - How to come out of root user? - Ask Ubuntu
Now I have come out or log out or disable root access For that I tried sudo passwd -dl root Then it shows the message: passwd: password expiry information changed But I still have root access, and I am still having # sign instead of $ root@hostname:~# still appears instead of xyz@hostname:~$
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