This article presents a basic Linux interview questions with
answers for fresher.
What
Squid service do?
Squid provides the Proxy
service, which caches and filters web traffic.
Which popular office
suite freely available for both Microsoft and Linux ?
Open office suite is freely
available. You can install it on both OS Microsoft and Linux.
You company recently
switched from Microsoft to Linux. All their documents are created on Microsoft
office 2007. How will you manage documents created on Microsoft office 2007 ?
Install open office suite in
Linux. It allows you work with Microsoft documents.
What is the SMTP ?
SMTP is the most common
protocol for an e-mail server.
What is NNTP ?
NNTP is the common protocol
which is used for news services. LeafNode and INN are examples of news servers.
What Samba service do ?
The Samba service provides
Microsoft SMB support in Linux so that Linux machines can connect to Microsoft
network resources.
Which service provides
searching capabilities on an intranet or domain?
Dig is the common name of
the service that provides searches on an intranet or domain.
Name any of three
spreadsheet programs, those are equivalent to Microsoft Excel and available for
Linux?
·
Openoffice
calc [Free]
·
KOffice
Kspread [Free]
·
StarOffice
Base [commercial ]
·
Corel
Quattro [commercial]
Which service can be used
with NFS to provide remote file access for UNIX systems?
NIS is used with NFS to
provide remote file access for UNIX systems.
What
is MTA?
MTA is a service of Sendmail
server, which transfer mail from one network or host to another network or
host.
Name a connection-less
protocol for file transfer.
TFTP is a connection-less
protocol for file transfer.
You company wants to
run Web Server on their intranet. Which Linux package should you use for this ?
To run a Web server, you should
install the Apache Web server.
You company have slow
internet connection. Which Linux service you can use to manage internet
connection ?
You should use Squid proxy
server, which allows to manage the web contents and also cache the web pages to
decrease the amount of traffic going to Internet.
You have tasked with
implementing new Linux systems in your lab, those will be used in training of
Linux. What type of Linux distribution should you choose?
For LAB environment you can use
free Linux version of Linux distribution. In test system at company or in a Lab
environment where usually no real risk in making mistakes you should use free
version of Linux. While distribution itself maybe free or nearly free, you will
be required to pay for technical support. In Lab environment where time permits
you, instead of seeking helping hands, try to solve the issue at your own, that
could a great learning experience.
You have tasked with
implementing a new Linux server in your network that will store confidential
information of company. Your lab technician have fedora. Should you use it for
your new server?
You could use it, but you
should not use it for server. It is not recommended to use an obscure,
unsupported distribution for critical server. A well-know, well-supported
distribution like RHEL would be a better choice. If a technical problem occurs
at some point after the server has been installed, you need to be able to call
someone and get an answer immediately rather than searching on internet to find
a solution. You should be able to solve the issue and get the server back into
production as fast as possible.
You are installing a
Linux system that will run a software that creates very large log files. Which
directory should you create separate partition for ?
Create a separate partition at
/var directory.
You
are installing a Linux system that will provide file storage for a number of
network users. Which directory should you create separate partition for?
Create a separate /home
directory.
Which port should you
open in your host firewall to run web server?
By default web server use port
80 and 443 which you need to open in firewall.
Which IP addressing
should you use for Server?
For server you should always
use static IP address.
Which IP address should
you use for client desktop?
For client you can use both
static and dynamic method. For easy management using DHCP to assign IP address
would be the best option.
You are installing RHEL
in new system that will be used by software developer to develop advance
program. Which option should you choose during the installation, while
installation program ask you to choose the set of software?
Choose Software Development
Workstation and use customize now option to select additional packages.
You are installing RHEL
in new system that will used by an administrative assistant to type documents,
create presentations, and manage e-mail. Which option should you choose during
the installation, while installation program ask you to choose the set of
software?
Choose Desktop and use
customize now option to select additional packages.
Which partition is used
for virtual memory by a Linux system?
swap
Which ports should you
open in host firewall for an email server?
·
Open
port 110 which is used by the POP3 e-mail protocol.
·
Open
port 25 which is used by the SMTP e-mail protocol.
·
Open
port 143 which is used by the IMAP e-mail protocol.
Your Linux system have
two SCSI hard disk drives. The first drive is assigned as SCSI ID 0, and the
second drive is assigned SCSI ID 1. How these will be refers in system?
/dev/sda point to the first
SCSI drive.
/dev/sdb points to the
second SCSI drive
Your Linux system have a
single IDE hard disk drive. How partitions will be refers on the IDE drive?
·
hd refers for IDE hard disk
·
a refers
for first hard disk. If system have multiple hard disk use b for second, c for
third and so on till last hard disk.
·
1 refers
for first partition, 2 for second partition and so on till last partition.
For example
·
/dev/hda1
points to the first partition on the first IDE
·
/dev/hdd4
points to the fourth partition on the fourth IDE
·
/dev/hdc2
points to the second partition on the third IDE
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