Apache With SSL Support
Requirement
#httpd
#openssl
#mod_ssl
#crypto-utils (genkey) -

##Install mod_ssl , crypto-utils

/etc/http/conf.d/ssl.conf


Users & Groups

useradd     default DB contains HomeDirectory and Shell Directory

 /etc/passwd


usermod   default encypted DB  /etc/shabow
      9 fields in shadow to control user

passwd & shadow combines to form a user profile.

groupadd   Adds group to sysem
 groupadd ITMIS

groupmod   modify group
 man groupmod
 add user to Group #
            usermod -G ITMIS

#gshadow
# groups list groups on system

There are two types of groups exist.
 1.primary          -G
 2. supplementory  -g

userdel & groupdel  to delete

..............................
/etc/login.defs
...............