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INTERVIEW QUESTIONS OPERATING SYSTEMS LINUX DETAILS

Question: What is the name and path of the main system log?

Answer:
Answer: /var/log/messages

By default, the main system log is /var/log/messages.

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Question: What is the name and path of the main system log?

Answer:


Answer: /var/log/messages

By default, the main system log is /var/log/messages. Source: CoolInterview.com


Name of the main system log is "messages" and path is
/var/log/messages Source: CoolInterview.com

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You wish to have all mail messages except those of type info to the /var/log/mailmessages file. Which of the following lines in your /etc/syslogd.conf file would accomplish this?

Choose one:
a. mail.*;mail!=info /var/log/mailmessages
b. mail.*;mail.=info /var/log/mailmessages
c. mail.*;mail.info /var/log/mailmessages
d. mail.*;mail.!=info /var/log/mailmessages
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Which of the following lines in your /etc/syslog.conf file will cause all critical messages to be logged to the file /var/log/critmessages?
Choose one:

a. *.=crit /var/log/critmessages
b. *crit /var/log/critmessages
c. *=crit /var/log/critmessages
d. *.crit /var/log/critmessages
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You have made changes to the /etc/syslog.conf file. Which of the following commands will cause these changes to be implemented without having to reboot your computer?
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a. kill SIGHINT `cat /var/run/syslogd.pid`
b. kill SIGHUP `cat /var/run/syslogd.pid`
c. kill SIGHUP syslogd
d. kill SIGHINT syslogd
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What is the name and path of the default configuration file used by the syslogd daemon?
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What daemon is responsible for tracking events on your system?
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One of your users, Bob, has created a script to reindex his database. Now he has it scheduled to run every day at 10:30 am. What command should you use to delete this job.
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a. crontab -ru bob
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You notice that your server load is exceptionally high during the hours of 10 am to 2 noon. When investigating the cause, you suspect that it may be a cron job scheduled by one of your users. What command can you use to determine if your suspicions are correct?
Choose one:

a. crontab -u
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You want to ensure that your system is not overloaded with users running multiple scheduled jobs. A policy has been established that only the system administrators can create any scheduled jobs. It is your job to implement this policy. How are you going to do this?
Choose one:

a. create an empty file called /etc/cron.deny
b. create a file called /etc/cron.allow which contains the names of those allowed to schedule jobs.
c. create a file called /etc/cron.deny containing all regular usernames.
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Which daemon must be running in order to have any scheduled jobs run as scheduled?
Choose one:

a. crond
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c. atrun
d. crontab
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In order to schedule a cronjob, the first task is to create a text file containing the jobs to be run along with the time they are to run. Which of the following commands will run the script MyScript every day at 11:45 pm?
Choose one:

a. * 23 45 * * MyScript
b. 23 45 * * * MyScript
c. 45 23 * * * MyScript
d. * * * 23 45 MyScript
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As the system administrator you need to review Bob's cronjobs. What command would you use?
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a. crontab -lu bob
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You have entered the following cronjob. When will it run? 15 * * * 1,3,5 myscript
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a. at 15 minutes after every hour on the 1st, 3rd and 5th of each month.
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