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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 -
  • What is the difference between su - and su root? [duplicate]
    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)
  • 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
  • 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
  • bash - su options - running command as another user - Unix Linux . . .
    su options - running command as another user Ask Question Asked 14 years, 9 months ago Modified 5 years, 11 months ago
  • 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
  • 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
  • What is the difference between su - , sudo bash and sudo sh?
    su -: This will change your user identifier and inherit the environment variables as if you had logged in with that user Normally you would use the format su - <userid> to login as the user If you drop the "userid" it assumes you are trying to login as root - which you can't (unless you change the root password) sudo bash sudo sh: Anything after the sudo is a program to run - so in these
  • 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
  • Whats the difference between sudo su - and sudo su
    28 When you provide a double-hyphen the experience you will have is identical to if you had just executed sudo su without any hyphen Passing a single hyphen is identical to passing -l or --login The man page for su describes the behavior as: Provide an environment similar to what the user would expect had the user logged in directly





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