EX200 Red Hat Certified System Administrator (RHCSA) Exam

Configure your Host Name, IP Address, Gateway and DNS.
Host name: station.domain40.example.com
hostname abc.com
IP Address:

Answer: # cd /etc/syscofig/network-scripts/
# ls
# vim ifcfg-eth0 (Configure IP Address, Gateway and DNS) IPADDR=
# vim /etc/sysconfig/network
(Configure Host Name)
HOSTNAME= station.domain40.example.com
Graphical Interfaces:
System->Preference->Network Connections (Configure IP Address, Gateway and DNS) Vim
(Configure Host Name)

Add 3 users: harry, natasha, tom.
The requirements: The Additional group of the two users: harry, Natasha is the admin group. The
user: tom’s login shell should be non-interactive.

Answer: # useradd -G admin harry
# useradd -G admin natasha
# useradd -s /sbin/nologin tom
# id harry;id Natasha (Show additional group)
# cat /etc/passwd
(Show the login shell)
# system-config-users

Create a catalog under /home named admins. Its respective group is requested to be the admin
group. The group users could read and write, while other users are not allowed to access it. The
files created by users from the same group should also be the admin group.

Answer: # cd /home/
# mkdir admins /
# chown .admin admins/
# chmod 770 admins/
# chmod g+s admins/

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