Linux CentOS5.5 Add root permissions User Method summary

V Operating system: CentOS 5.5

1, add users, first with the AddUser command to add a normal User:

The code is as follows	Copy Code
#adduser junguoguo//to add a user named Junguoguo #passwd Junguoguo//Change Password Changing password for user Junguoguo. New UNIX Password://Enter password here Retype new UNIX Password://re-enter password Passwd:all authentication tokens updated successfully.

2. Give root permission
Method One: Modify the/etc/sudoers file, find the line below, and remove the previous comment (#)

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# # allows people in group wheel to run all commands %wheel all= (All) The user is then modified to belong to the root group (wheel): #usermod-G Root Junguoguo

Modified, you can now log in with the Junguoguo account, and then use the command to su–, you can get the root permission to operate.

Method Two: Modify the/etc/sudoers file, find the following line, and add a row under Root, as follows:

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# # Allow ROOT to run any commands anywhere Root all= (All) Junguoguo all= (All)

Modified, you can now log in with the Junguoguo account, and then use the command to su–, you can get the root permission to operate.

The above method I think the method two is the best, we can refer to the next.