Linux Interview Questions and Answer – Part 10

How can we use lsof to display open ports?

• lsof -i
• lsof -w
• lsof -u
• sudo lsof -i (Ans)

On SUSE which file stores the static hostname

• /etc/hosts
• /eyc/hostname
• /etc/HOSTNAME (Ans)
• /etc/sysconfig/network

Which file is used for static ARP entries

• /etc/services
• /etc/ethers (Ans)
• /etc/networks
• /etc/hosts

Who should the group owner of the wall program be?

• tty (Ans)
• wall
• wheel
• root

Including the LPIC-1 exams how many exams in total do you need to pass for LPIC-2

• 2
• 3
• 4 (Ans)
• 5

Which option used with sysctl reads and loads the configuration file?

• -p (Ans)
• -r
• -l
• -m

How are debian source repositories listed in the sources.list file?

• source
• deb-src (Ans)
• deb
• debian-source

To expand a tar archive in Linux which option is used ?

• -i
• -e
• -x (Ans)
• -t

What is the name of the nagios service in Ubunto 14.04?

• ng3
• nagios3 (Ans)
• nagios
• ng

For Red Hat and Centos which repo do we need to add for collectd?

• LABEL
• LPEL
• HTTP
• EPEL (Ans)

Using ifconfig as a standard user which is the correct syntax to activate an interface?

• sudo ifconfig eth0 up (Ans)
• ifconfig eth0 up
• sudo ifconfig up eth0
• ifconfig up eth0

Which could be the correct syntax to synchronized with a remote rsync server module?

• rsync -av server::/doc/ /tmp/
• rsync -av server:doc/ /tmp/
• rsync -av server/::doc/ /tmp/
• rsync -av server::doc/ /tmp/ (Ans)

The output from vmstat show memory used as Cache, what does this represent?

• Directory listing and file permissions
• Virtual RAM
• Disk space
• File content (Ans)

Which variable to we need to set in the /etc/init.d/hostapd script?

• DAEMON_CONF (Ans)
• CONF
• DAEMON
• D_CONF

By default which database is used when installing Bacula on Ubuntu?

• MSSQL
• MySQL (Ans)
• PostgreSQL
• SQLite

Rajesh Kumar

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