how to add user to sudoers

How do I add a user under Linux? And the successful exit user login? and switch User login?The steps are as follows: Command line enter adduser user name (e.g. LANP) Enter,(note: Here Linux does not display any information); Then enter the passwd

--1. Create the sample environment.First use the following code to create a login l_test and create an associated user account u_test for login in the database pubs, and give the user account U_test Select permissions on table titles to implement login L_test connect to SQL Server instance, you can access table titles. An application role R_p_test is then created that grants the role the SELECT permission f

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Linux operating system create user can set user information, set the specified Uid,gid, user notes information, specify login shell, specify home directory, can set up and modify a lot of content.such as the following actionsuseradd [Options] UsernameUseradd-u username Specify UID to establish userUseradd-u 1111 TomUSERADD-G username specify GID to establish user

Add a root user for the ubuntu operating system and a root user for the ubuntu Operating System 1: After a virtual machine is installed and the Ubuntu operating system is installed, you can log on to the system and find that the user except the user you set is a foreign

Net-snmp Add User-Defined MIB and net-snmp User-Defined mibI know three methods to add a user-defined MIB. static Load. c and. add the H file to the corresponding location and re-compile the snmp library. The advantage is that you

1. Add User group Hadoop AddGroup Hadoop 2. Create a user and add it to the Hadoop group that you just created $ adduser--ingroup Hadoop Hadoop 3. Editor/etc/sudoers ## This file must is edited with the ' Visudo ' command as root.## Please consider adding the local cont

When you log in to the Linux operating system with a normal user, sometimes you will need to operate the system directory or file, switch to root mode is more troublesome, at this time can be achieved through the sudo command to temporarily get Super Administrator privileges. To run the sudo command directly, you will be prompted like this: Xxxis not in the sudoers file.　　This incident would be reported. He

The Java User Name is used to log on to the student information management system and add, delete, modify, and query the user name. Package zzzzzzzz; import java. io. *; public class Text {public static void main (String [] args) throws MyException, IOException {Login l = new Login (); l. login () ;}} class Student {private String stunumber; private String name;

Create a new user named "add ROOT permission" "configuration" "cannot use the TAB key" in ubuntu. 1. create a user named www.2cto. comadduser create user name passwd create user name add new u