Howto add a user with root permission on CentOS 7
For any reason, you need add a user with root permission on CentOS 7. It’s not security and not recommend in live system. But we may need that for any urgent support, we can create that based on this topic.
Step 1: Create a new user
Step 2: Reset password for new user
Step 3: Grant root permission to new user
Find the line “root ALL=(ALL) ALL”
Add these lines below that line
kevin ALL=(ALL) ALL
Step 4: Save the file and we can start use new user with root permissions.
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