If you mess up, you can always go back and see what commands were run. Sudo adds a log entry of the command(s) run (in /var/log/auth.log). the tendency by users to login as an "Administrator" user in Microsoft Windows systems), you will be prompted for a password before major changes can happen, which should make you think about the consequences of what you are doing. It avoids the "I can do anything" interactive login by default (e.g. the root password), which they are likely to forget (or write down so anyone can crack into their account easily). ![]() Users don't have to remember an extra password (i.e. There are several good reasons not to login as root but use sudo instead including This is normally not a good idea however and you should consider very carefully before enabling the root login. By default it is locked in Ubuntu but you can enable the root account. In Linux there is a special account called root. ![]() Pkexec users-admin will open the users screen: Documentation Note: Running users-admin with elevated privileges no longer works because of a bug that is marked as "Won't Fix" for security reasons. Passwd root will allow you to create a password for root. Pkexec gnome-terminal will open a terminal with a root prompt. More information on why to stay with sudo here Graphical version needs setting up 1st: Only do this if you know what you are doing. If you want to work on a root console you can also use sudo -i. If you want to disable root account in Ubuntu you need to lock the root account by using the following command sudo passwd -l root Alternatives to root login ![]() This should return passwd: password expiry information changed Write it twice (second for confirmation). You will be prompted for a new Unix password. So, first execute in a terminal sudo passwd root If you don't set a password for the root account the passwd command will return passwd: unlocking the password would result in a passwordless account. To actually enable root logins first you have to set a password for the root account and then unlock the locked root account. While it's possible to do, it is not recommended.
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