What are the differences between "su", "sudo -s", "sudo -i", "sudo su"?
Oct 22, 2011 · 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 …
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 …
Why do we use su - and not just su? - Unix & Linux Stack Exchange
Feb 7, 2011 · 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 …
su - user Vs sudo su - user - Unix & Linux Stack Exchange
Aug 22, 2018 · Secondly: sudo -i and su - do the same thing (su - is equivalent to su --login), using different authorization mechanism: su verifies the password for the root account, while sudo verifies …
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 …
What's the difference between `su -` and `su --login`? - linux
Oct 24, 2016 · 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 …
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 …
Is there a single line command to do `su`? - Ask Ubuntu
Oct 7, 2013 · 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 …
Why `su` gives "su: Authentication failure" even when running as root?
Apr 21, 2020 · 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...
'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 …