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  1. What are the differences between "su", "sudo -s", "sudo -i", "sudo su"?

    Oct 22, 2011 · 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 …

  2. linux - What does "sudo -s" actually do? - Super User

    Jul 6, 2011 · 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 …

  3. How do I run specific sudo commands without a password?

    Jul 3, 2012 · On one particular machine I often need to run sudo commands every now and then. I am fine with entering password on sudo in most of the cases. However there are three sudo commands I …

  4. 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.

  5. How do I reset a lost administrative password? - Ask Ubuntu

    $ sudo -i [sudo] password for myuseraccount: # here you type the user's password # A lot of people that have Unix background or experience with other distributions stumble on this issue quite often. The …

  6. 'sudo su -' vs 'sudo -i' vs 'sudo /bin/bash' - when does it matter ...

    Nov 13, 2013 · sudo su - This time it is a login shell, so /etc/profile, .profile and .bashrc are executed and you will find yourself in root's home directory with root's environment. sudo -i It is nearly the same as …

  7. sudo - How can I add a user as a new sudoer using the command line ...

    If you do not want to give the user account full root access, you need to edit the /etc/sudoer file with visudo (it makes sure that you do not have any syntax errors in the file and lose sudo capability …

  8. Is there any 'sudo' command for Windows? - Super User

    Sep 17, 2009 · If on the other hand Bob does "sudo acommand" the command is still run as Bob, but with elevated permissions - just like the Linux sudo command. To prevent any user from being able …

  9. How to run sudo command with no password? - Ask Ubuntu

    How does the ubuntu user on the AWS images for Ubuntu Server 12.04 have passwordless sudo for all commands when there is no configuration for it in /etc/sudoers? I'm using Ubuntu server 12.04 on A...

  10. 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 …