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 …

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 …

Aug 22, 2018 · 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 - …

Feb 7, 2011 · su - logs you in completely as root, whereas su makes it so you are pretending to be root. The most obvious example of this is that ~ is root's home directory if you use su -, but …

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 …

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 …

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 …

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 …

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.

Assuming you're actually running the script as root, however, you can use sudo. su is primarily for switching users, while sudo is for executing commands as other users.