Ubuntu system to add sudo permissions to the user method

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 content in/etc/sudoers.d/instead of
# directly modifying this file.
#
# to the ' man ' page for details ' and ' to write a sudoers file.
#
Defaults Env_reset
Defaults Mail_badpass
Defaults secure_path= "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"

# Host alias Specification

# User alias Specification

# CMND alias Specification

# User Privilege Specification
Root all= (All:all) all

# members of the admin group may gain root privileges
%admin all= (All)
# Add this line, add sudo permissions for Hadoop
Hadoop All=nopasswd:all

# Allow members of the group sudo to execute command
%sudo all= (All:all) all

# sudoers (5) for the more information on "#include" directives:

#includedir/ETC/SUDOERS.D