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How to enable passwordless sudo in Linux

 2 years ago
source link: https://dev.to/danielcristho/how-passwordless-sudo-in-linux-14c0
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Daniel Pepuho

Posted on Nov 14

How to enable passwordless sudo in Linux

I can show you many steps to configure passwordless sudo for specific user:

1.open your terminal and type this to add new user:

$ sudo adduser demo
Adding user `demo' ...
Adding new group `demo' (1004) ...
Adding new user `demo' (1004) with group `demo' ...
Creating home directory `/home/demo' ...
Copying files from `/etc/skel' ...
New password: 
Retype new password: 
passwd: password updated successfully
Changing the user information for demo
Enter the new value, or press ENTER for the default
    Full Name []: 
    Room Number []: 
    Work Phone []: 
    Home Phone []: 
    Other []: 
Is the information correct? [Y/n] y
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2.after that type:

$ sudo visudo
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3.go down to the bottom, then add this to assign a new user become sudo:

demo ALL=(ALL:ALL) ALL
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4.done, now you have new user, that will able to execute sudo command without providing a sudo password.

N/B: in Debian you must install sudo:

$ apt install sudo
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