CORRECT TEXT 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 Answer: # 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)

CORRECT TEXT 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) OR # system - config - users

CORRECT TEXT 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/

CORRECT TEXT Configure a task: plan to run echo hello command at 14:23 every day. Answer: # which echo # crontab - e 23 14 * * * /bin/echo hello # crontab - l (Verify)

CORRECT TEXT Find the files owned by harry, and copy it to catalog: /opt/dir Answer: # cd /opt/ # mkdir dir # find / - user harry - exec cp - rfp {} /opt/dir/ \;