Linux Interview Questions and Answer – Part 11

It is common for source packages to be downloaded to which directory?

• /src
• /usr/src (Ans)
• /home
• /usr/bin

Using lsof which character is used to filter by host

• #
• =
• @ (Ans)
• H

Uptime shows the load averages of what time periods?

• 1,10 and 15 minutes
• 1,2,3 seconds
• 1,5 and 15 minutes (Ans)
• 1,2,3 minutes

Which template can be used to fill in default values for Nagios hosts?

• generic-host (Ans)
• host
• host-generic
• generic_host

Which option used with sar will allow you to read from a certain file?

• -f (Ans)
• -I
• -F
• -i
  

Which option can be used with nagios3 to test the configuration?

• -v (Ans)
• -t
• -r
• -f

Which option can specify a DNS server to use with dig

• @8.8.8.8 (Ans)
• AT8.8.8.8.8
• -s8.8.8.8
• =8.8.8.8

Which MySQL command is used to new accounts take effect immediately?

• READ USERS
• EXIT
• FLUSH PRIVILEGES (Ans)
• LOAD USERS

How can we list sockets with netstat

• -t
• -s
• -u
• -x (Ans)

Which tape device represent a rewindable model?

• /dev/st0 (Ans)
• /dev/rwst0
• /dev/rst0
• /dev/nst0

By default which port is used by the Bacula Director

• 9100
• 9102
• 9101 (Ans)
• 9103

On a Red Hat based system how are the pre-requisites to ./configure installed?

• sudo yum groupinstall “Development Tools” (Ans)
• sudo install tools
• sudo apt-get install build-essentials
• sudo zypper install –type pattern devel_basis

What is the name os the dhcp service on Debian based systems?

• dhcpd
• isc-dhcp-server (Ans)
• dhcpcd
• dhcp

Which web user account is created during the installation of nagios3?

• nagios
• admin
• nagiosadmin (Ans)
• root

Which jump target do we configure when setting up NAT?

• RNAT
• NAT
• MASQUERADE (Ans)
• iptables

Rajesh Kumar

I’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked at Cotocus and regularly write about technology, travel, investing, health, product reviews, and digital marketing through my various platforms.

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