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When I wanted to execute 

hadoopmaster@dhruvhadoop3-HP-Compaq-dc5800-Small-Form-Factor:~$ sudo gedit ~/.bashrc

It gave me the following error

sudo: unable to resolve host dhruvhadoop3-HP-Compaq-dc5800-Small-Form-Factor
[sudo] password for hadoopmaster:
hadoopmaster is not in the sudoers file.  This incident will be reported.
Marton
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dhruv bhardwaj
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1 Answers1

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Its about the /etc/sudoers.If you simply want have sudo access then add you user to the group sudo via usermod -aG sudo username. This will add the group sudo to the user username (Keep in mind that you need root access to execute usermod). For more information look here.

Your second error message indicates that there is anything wrong with your hostname (Click here for help. And you should not need root access to edit ~/.bashrc.

Community
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Marton
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