Reset root password (set password "linux")
set selinux into enforcing mode permanently
User creation.
Create 3 users - suresh ramesh satesh
All 3 users belong to secondary group linux.
User satesh should have a shell of no login
Create a shared folder?
Create a /sagar directory that members of the linux group can access.
Ensure that files created in the directory are owned by the linux group.
Create a gzipped tar archive (/data/log.tar.gz) containing all the files in /var/log
Create a new 1GB swap partition?
set umask 0222 for all normal user permanently
Create logical volume "lv1" in volume group "vg1" with 30Gb and then reduce to 20Gb