How to Make a User a Sudoer

1. Add user to wheel group:

   $ vim /etc/group
   - wheel:x:10:root,newuser
   

   or simple do this:

   $ gpasswd -a newuser wheel
   

2. Uncomment this line in sudoers file:

   $ vim /etc/sudoers
   - ## Allows people in group wheel to run all commands
   - %wheel    ALL=(ALL)    ALL
   

   or

   $ visudo
   

How to Make Sure MySQL Server Runs at Startup

To make sure mysqld runs at system startup time, type the following commands:

sudo /sbin/chkconfig --add mysqld
sudo /sbin/chkconfig --level 235 mysqld on

To make sure mysqld is configured properly, type the following:

sudo /sbin/chkconfig --list mysqld

The output should look like this:

mysqld           0:off 1:off 2:on 3:on 4:off 5:on 6:off