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 …
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 …
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 …
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 …
Why am I getting "Authentication failure" when running the "su" …
I am having problems with the su command. I know my password and I am typing it correctly, but su indicates Authentication failure. So I checked on the internet and then went into recovery mode and
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 …
What's the difference between sudo su vs just su?
Aug 26, 2015 · The su command can only prompt for the target user's password (assuming a default pam stack), while sudo can be configured to authenticate as the source or target user, or neither, or …
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 …
Right way to use su and a specific command? - Unix & Linux Stack …
Jul 28, 2020 · The following is a bit of a tangent: From the OpenBSD su(1) manual, for example: SYNOPSIS su [-fKLlm] [-a auth-type] [-c login-class] [-s login-shell] [login [shell arguments]] [...] If the …