Re: logging in as root

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How do I log out, and log back in as root under vinux in order
to install it? useing sudo seems to be a bit tedious.

There are a couple options: You don't have to log out as one user to issue multiple commands as root. You can just run a root-shell instead:

  sudo bash

This will drop you in a bash shell as the root user. Every command you type in that shell session will be executed as the root user. If you need to issue multiple commands, this is a pretty good way to do it. When you're done, just type "exit" to leave that shell session and return to your non-privileged user account.

If your problem is typing the password every time you run sudo, it can be configured to remember that you've been validated and not prompt for the password. I believe the default is 15 minutes between sudo commands (though you can revalidate to stay logged in). It's been a while since I've monkeyed with this, but you should be able to tweak the /etc/sudoers file to include information about the "timestamp_timeout" (details should be available by issuing "man sudoers" and searching for that command). With this in place, you have to enter your password the first time, but any commands entered within the 15-minute window reset the count-down timer so you don't have to keep entering the password -- you just enter the "sudo" bit. However, you may already have this configured and want to stop using "sudo" altogether. If so, read above for the preferred way to do it.

Lastly, you *can* log in as root. However, if you're running a distro like Ubuntu which doesn't have a password for root (it's set up as an account that can't be logged-into), you have to set it. You can use

  sudo passwd root

to set a new password for the root account. Then, at your login prompt, you can log in as "root" and give the password you created. Note that this is often dangerous to do because any foul-ups can hose your entire system.

Hope this helps.

-tim






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