RedHat Related Exams
RH202 Exam
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
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
Create the partition having 100MB size and mount it on /mnt/neo
Answer and Explanation:
One Domain RHCE is configured in your lab, your domain server is
server1.example.com. nisuser2001, nisuser2002, nisuser2003 user are created on your server 192.168.0.254:/rhome/stationx/nisuser2001. Make sure that when NIS user login in your system automatically mount the home directory. Home directory is separately shared on server /rhome/stationx/ where x is your Station number.
Answer and Explanation:
1. use the authconfig or system-config-authentication
2. Select the [*] USE NIS
3. Type the NIS Domain: RHCE
4. Type Server 192.168.0.254 then click on next and ok
5. You will get a ok message.
6. Create a Directory /rhome/stationx where x is your station number.
6. vi /etc/auto.master and write at the end of file
/rhome/stationx /etc/auto.home --timeout=60
7. vi /etc/auto.home and write
* -rw,soft,intr 192.168.0.254:/rhome/stationx/&
Note: please specify your station number in the place of x.
8. Service autofs restart
9. Login as the nisuser2001 or nisuser2002 on another terminal will be
Success.
According to question, RHCE domain is already configured. We have to make a client of RHCE domain and automatically mount the home directory on your system. To make a member of domain, we use the authconfig or system-config-authentication command. There a are lots of authentication server i.e NIS, LDAB, SMB etc. NIS is a RPC related Services, no need to configure the DNS, we should specify the NIS server address.
Here Automount feature is available. When user tried to login, home directory will automatically mount. The automount service used the /etc/auto.master file. On /etc/auto.master file we specified the mount point the configuration file for mount point.