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  4. RedHat
  5. EX200

Red Hat Certified System Administrator (RHCSA) Exam
EX200 Exam

SIMULATION
Configure your Host Name, IP Address, Gateway and DNS.
Host name: station.domain40.example.com
/etc/sysconfig/network
hostname=abc.com
hostname abc.com
IP Address:172.24.40.40/24
Gateway172.24.40.1
DNS:172.24.40.1

  1. See Explanation section for answer.

Answer(s): A

Explanation:

# cd /etc/syscofig/network-scripts/
# ls
# vim ifcfg-eth0 (Configure IP Address, Gateway and DNS) IPADDR=172.24.40.40 GATEWAY=172.24.40.1
DNS1=172.24.40.1
# vim /etc/sysconfig/network
(Configure Host Name)
HOSTNAME= station.domain40.example.com

OR

Graphical Interfaces:
System->Preference->Network Connections (Configure IP Address, Gateway and DNS) Vim /etc/sysconfig/ network
(Configure Host Name)



SIMULATION
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.

  1. See Explanation section for answer.

Answer(s): A

Explanation:

# 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)

OR

# system-config-users



SIMULATION
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.

  1. See Explanation section for answer.

Answer(s): A

Explanation:

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



SIMULATION
Configure a task: plan to run echo hello command at 14:23 every day.

  1. See Explanation section for answer.

Answer(s): A

Explanation:

# which echo
# crontab -e
23 14 * * * /bin/echo hello
# crontab -l (Verify)




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