Add user to sudoers
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The root user are the only one who has privilege to add new user. As this is the first time you have run a command using sudo from this user account the banner message will be displayed.
The root user are the only one who has privilege to add new user. This is because the root password is not set in Ubuntu, you can assign one and use it as with every other Linux distribution. The terminal prompt should change to include the UserName. However, if you run a script that contains echo.
The first part is the user, the second is the terminal from where the user can use sudo command, the third part is which users he may act as, and the last one, is which commands he may run when using sudo. Otherwise all your changes will be overridden by this line saying you as part of the admin group can do anything on any machine as any user provided you give a password. The explanation usually offered is that it was set up this way to ensure that admins only ever edit it via the command visudo. Save, and from now on launching visudo with gksu visudo for Ubuntu; kdesu visudo for Kubuntu or sudo visudo in the terminal will now open with your chosen editor. Adding a user to the sudoers list on a fully installed Linux system such as Debian is only possible via the command visudo. I am not aware of a way to accomplish this task with a single command other than catenating the 2 commands above with ; which is not the same thing. The first thing I do when I install a new Linux is to use visudo to edit the sudoers file. It may look as if it needs to be edited to take out the leading numbersign a. However, this theory doesn't quite hold water. Extra privileges can be granted to individual users temporarily, and then taken away without the need for a password change.
CentOS Add Users to Sudoers - If you want to configure sudo for an existing user, skip to step 3.
The basic philosophy is to give add user to sudoers few privileges as possible but still allow people to get their work done. Sudo is also an effective way to log who ran which command and when. Extra privileges can be granted to individual users temporarily, and then taken away without the need for a password change. For the reasons above, switching to root using sudo -i or sudo su is usually deprecated because it cancels the above features. Groups are only assigned to users at login time. A most common source of confusion is that people add themselves to a new group but then do not log out and back in again and then have problems because the group is not assigned; be sure to. The system will also configure gksu and aptitude to use sudo. You should still after logging in as the installed user. I am not aware of a way to accomplish this task with a single command other than catenating the 2 commands above with ; which is not the same thing. You should then login as the new user and. Configuration overview Now, if you add user to sudoers to allow certain users to execute certain programs, here's a quick example for more information, read the fine manual. See the man page for details on how to write a sudoers file. Sorry, user jdoe is not allowed to execute. It usually boils down to these three things: 1 Respect the privacy of others. This message means what it says: the user you're running as isn't allowed to execute the given command on the given machine. One confusing possible reason for this is that the administrator has just added user jdoe to a privileged group - but you're still using the old login, which doesn't have that new group information, and therefore has no new sudo-ing rights. It may look as if it needs to be edited to take out the leading numbersign a. The explanation usually offered is that it was set up this way to ensure that admins only ever edit it via the command visudo. However, this theory doesn't quite hold water. So if there's a good reason for the unorthodox permissions, it's a mystery - contributions welcome.
