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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
  • 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)
  • 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?
  • Is there a single line command to do `su`? - Ask Ubuntu
    Here's why: If you write a password in a command like su <username> -p <password>, it would be stored in plain text in your bash history This is certainly a huge security issue If you need to run commands with su (or sudo) in an automated way, write a shellscript containig the commands without su or sudo and run su <username> script sh
  • Whats the difference between sudo su - and sudo su
    I will create a question from it but sudo su - and sudo su -l differs On an account where I ssh into with a key only, and I have sudo rights to change to a specific other user, sudo su - changes the user without problems but sudo su -l or sudo su --login will ask for a sudo password, which I don't have (although by examining sudo -l I could execute bin su with NOPASSWD)
  • bash - su options - running command as another user - Unix Linux . . .
    I was wondering how to run a command as another user from a script I have the script's owner set as root I also have the following command being run within the script to run the command as the h
  • How does the su command work? - Unix Linux Stack Exchange
    The su executable has a special permission bit on it, called the "set-user-ID bit" or "setuid" which causes it to execute such that the effective user ID of the process is that of the owner of that executable file If su successfully authenticates, it then executes a new 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
  • Why does su fail with authentication error? - Ask Ubuntu
    Enabling the root account This can be achieved by setting up a password Instead of su use sudo -i or better yet, append to any command sudo in the way of: sudo apt-get update [sudo] password for braiam: I wouldn't recommend enabling root, since it could raise a security concern, for example, if you use any service exposed to the web





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