Feb 7, 2011 · 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 …

Oct 22, 2011 · su lets you switch user so that you're actually logged in as root. sudo -s runs a shell with root privileges. sudo -i also acquires the root user's environment. To see the …

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 · 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 …

With su - you will be asked to authenticate with the root password. This only works if you have set the root password. This only works if you have set the root password. In terms of functionality, …

su - means environment variables will be reset to root and su means environment variables as old user. for example: root's home directory if you use su - or old user home directory if you use …

Jul 24, 2017 · 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 …

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 …

However, the OP has asked specifically about su to root. I was assuming they knew why they want to do that and that they have a good reason to do it. So I was adding an alternate path to …

Sep 17, 2015 · So running 'su -m ' as root will make bash to read ~/.bashrc which expands (due to preserved environment) to /root/.bashrc which you have no rights as user. Your /etc and …