No password problem is required for ordinary users to perform sudo command under Linux

Environment: VirtualBox4.1 + RedHat Linux 6 + Putty0.62

Problem: When a normal user executes the sudo command, you are prompted to enter the current user's password. The purpose of this command is to be safe and convenient, and every time you enter a password it will appear troublesome. Therefore, the following solutions are provided. Only need to add nopasswd on the previous basis on the line.

Solve:

1. Add the user who can execute the root command, refer to the XXX is isn't in the sudoers file to resolve the details.

2. Add code on a previous basis

User_name all= (All) Nopasswd:all

Note: User_name is your username.