RH202 Exam Dumps : RHCT (Redhat Certified Technician) RH202

Dig Server1.example.com, Resolve to successfully through DNS Where DNS server is 172.24.254.254

Answer and Explanation:

#vi /etc/resolv.conf

nameserver 172.24.254.254

# dig server1.example.com

#host server1.example.com

DNS is the Domain Name System, which maintains a database that can help your computer translate domain names such as to IP addresses such as 216.148.218.197. As no individual DNS server is large enough to keep a database for the entire Internet, they can refer requests to other DNS servers.

DNS is based on the named daemon, which is built on the BIND (Berkeley Internet Name Domain) package developed through the Internet Software Consortium

Users wants to access by name so DNS will interpret the name into ip address. You need to specify the Address if DNS server in each and every client machine. In Redhat Enterprise Linux, you need to specify the DNS server into /etc/resolv.conf file.

After Specifying the DNS server address, you can verify using host, dig and nslookup commands.

Add a job on Cron schedule to display Hello World on every two Seconds in terminal 8.

Answer and Explanation:

1.cat >schedule

*/2 * * * * /bin/echo “Hello World” >/dev/tty8

• crontab schedule
• Verify using: crontab –l
• service crond restart

Cron helps to schedule on recurring events. Pattern of Cron is:

MinuteHourDay of MonthMonth Day of WeekCommands

0-590-231-311-120-7 where 0 and 7 means Sunday.

Note * means every. To execute the command on every two minutes */2.

To add the scheduled file on cron job: crontab filename

To List the Cron Shedule: crontab –l

To Edit the Schedule: crontab –e

To Remove the Schedule: crontab –r

Install the dialog-*

Answer and Explanation:

Questions asking you to install the dialog package from the server. In your Lab FTP server as well as NFS server are configured. You can install either through FTP or NFS.

1.Just Login to server1.example.com through FTP: ftp server1.example.com

2.Enter to pub directory: cd pub

3.Enter to RedHat/RPMS: cd RedHat/RPMS

4.Download the Package: mget dialog-*

5.Logout from the FTP server: bye

6.Install the package: rpm -ivh dialog-*

7.Verify the package either installed or not: rpm -q dialog