Linux Learning Note Four

File Rights Management Chapter

Chown-r MySQL. /usr/local

Change all files and subdirectories in/usr/local/and below to MySQL

Ls-al * Use this command to query

Chgrp

Chgrp-r mysql/usr/local

Change all files and subdirectories in/usr/local/and below to MySQL

Ways to delete users and groups

Method 1 Delete User/etc/passwd

Delete Group/etc/group

Other related information/etc/passwd

Method 2 #userdel-r MySQL to delete the user's home directory together

#groupdel MySQL

Note: Delete the group before deleting the user group

-G oinstall-g dba-d  /home/grid grid Create a grid where the user user is in the same group as the Oinstall user, the  starting directory for the DBA user who is logged in as an additional group Home/grid

Linux Learning Note Four