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
There are Mail servers, Web Servers, DNS Servers and Log Server. Log Server is already configured. You should configure the mail server, web server and dns server to send the logs to log server.
Answer and Explanation:
According to question, log server is already configured. We have to configure the mail, web and dns server for log redirection.
In mail, web and dns server:
1.vi /etc/syslog.conf
mail.*@logserveraddress
2.service syslog restart
mail is the facility and * means the priority. It sends logs of mail services into log server.
Who ever creates the files/directories on /archive group owner should be automatically should be the same group owner of /archive.
Answer and Explanation:
1.chmod g+s /archive
2.Verify using: ls -ld /archive
Permission should be like:
drwxrws--- 2 root sysuser 4096 Mar 16 18:08 /archive
If SGID bit is set on directory then who every users creates the files on directory group owner automatically the owner of parent directory.
To set the SGID bit: chmod g+s directory
To Remove the SGID bit: chmod g-s directory