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  • What are the differences between su, sudo -s, sudo -i, sudo su?
    sudo su Asks your password, becomes root momentarily to run su as root sudo su - Asks your password, becomes root momentarily to run su - as root So in this case you are running su using sudo and you don't have to know root's actual password The results are same as su and su -
  • Why do we use su - and not just su? - Unix Linux Stack Exchange
    The main difference is : su - username sets up the shell environment as if it were a clean login as the specified user, it access and use specified users environment variables, su username just starts a shell with current environment settings for the specified user If username is not specified with su and su -, the root account is implied as default
  • su - user Vs sudo su - user - Unix Linux Stack Exchange
    8 sudo su - will elevate any user (sudoer) with root privilege su - anotheruser will switch to user environment of the target user, with target user privileges What does sudo su - username mean?
  • What is the difference between su - and su root?
    Add a comment 8 su - switches to the superuser and sets up the environment so that it looks like they logged in directly su root switches to the user named root and doesn't simulate directly logging in If the superuser is named root, then su and su root are equivalent (and don't simulate directly logging in), as are su - and su - root (which do)
  • command line - difference between sudo su - and su - - Ask Ubuntu
    The difference between sudo su - and su - is this: With sudo su - you will be asked to authenticate with your user password (assuming you have sudo privileges)
  • Whats the difference between `su -` and `su --login`? - linux
    From su 's man page: For backward compatibility, su defaults to not change the current directory and to only set the environment variables HOME and SHELL (plus USER and LOGNAME if the target user is not root) It is recommended to always use the --login option (instead of its shortcut -) to avoid side effects caused by mixing environments -, -l, --login Start the shell as a login shell
  • su vs sudo -s vs sudo -i vs sudo bash - Unix Linux Stack Exchange
    su is equivalent to sudo -i and simulates a login into the root account Your working directory will be root, and it will read root's profile etc The prompt will change from $ to #, indicating you have root access sudo -s launches a shell as root, but doesn't change your working directory sudo bash where bash is command to run with sudo
  • 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
  • How do I set the root password so I can use su instead of sudo?
    If you still want to use su after reading the warnings in the question, there is no need to set a root password Just do sudo su and you're on your way with your regular password
  • Why `su` gives su: Authentication failure even when running as root?
    Somewhat like in How to suppress su authentication failure warning?, but it actually does not run the command at all # su limited su: Authentication failure # su -s bin bash limited su: Authenti





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