Using the sudo command in Terminal requires an administrator password

Change your password

Sudo Manual
The third ALL refers to effective groups, in this line, it means user root can run commands as all groups. Create a new user You can create additional users on your Raspbian installation with the adduser command. How to Install Nagios 4. The Linux permission model is important when inside the Linux environment where the user has permissions based on the current Linux user. Plus setting a root password is not the way Ubuntu should be used; again inviting a security risk. Ubuntu automatically has no password for the ROOT user due to the standard security configuration.

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Linux Tips: Password Usage in Sudo (PASSWD / NOPASSWD)

I tried my login password lets say it is "hello" and some incorrect passwords. When I try incorrect passwords I get: When I try my login password I get: This incident will be reported.

You, user derek, may not have sudo permissions; ask your sysadmin. In your comment you gave a weird error message "hello is not in the sudoers file" I thought our hypothetical user: Sorry, I made a mistake. It did return "derek is not Also it is my personal laptop. I guess I am the sysadmin. Common convention is to have a group called wheel that will have sudo access and then add users to that group. Kyrias in debian since at least version 5.

If you have root password. If you don't have root password, then use a live distro to do what is described above. Maybe you have not set your root password. You mean sudo passwd? Also, sudo has to be configured to use the target user's password instead of the user who's running the command's password. Sign up or log in Sign up using Google. Sign up using Facebook.

The default pi user on Raspbian is a sudoer. This gives the ability to run commands as root when preceded by sudo , and to switch to the root user with sudo su. Copy this line and switch from root to the username. The example below gives the user bob passwordless sudo access:. Save and exit to apply the changes. Be careful, as it's possible to remove your own sudo rights by accident. You can change the editor the visudo command uses the default is Nano by entering:.

You can delete a user on your system with the command userdel. Apply the -r flag to remove their home folder too:. Change your password Once you're logged in as the pi user, it is highly advisable to use the passwd command to change the default password to improve your Pi's security.

Remove a user's password You can remove the password for the user bob with sudo passwd bob -d. Create a new user You can create additional users on your Raspbian installation with the adduser command. Sudoers The default pi user on Raspbian is a sudoer.

The example below gives the user bob passwordless sudo access: ALL Save and exit to apply the changes. You can change the editor the visudo command uses the default is Nano by entering: Delete a user You can delete a user on your system with the command userdel.

Resetting your Linux password