Interview Questions.

Question 1. What Is A Linux Server Used For?

Answer :

A Linux server is a excessive-powered variant of the Linux open supply operating system it is designed to deal with the extra worrying desires of commercial enterprise applications which includes network and system management, database management and Web offerings.

Question 2. What Is The Meaning Of Red Hat?

Answer :

Red Hat Enterprise Linux (RHEL) is a distribution of the Linux operating device evolved for the enterprise market. RHEL became previously referred to as Red Hat Linux Advanced Server.

Active Directory Interview Questions
Question 3. What Can You Type At A Command Line To Determine Which Shell You Are Using?

Answer :

echo $SHELL.

Question 4. Explain Lvm Snapshot?

Answer :

LVM snapshots allow the administrator to create a brand new block device which presents an genuine copy of a logical quantity, frozen sooner or later in time.

JBOSS Tutorial
Question 5. What Is Volume Group (vg)?

Answer :

The Volume Group is the highest degree abstraction used inside the LVM. It gathers collectively a set of Logical Volumes and Physical Volumes into one administrative unit.

Red Hat Linux System Administration Interview Questions
Question 6. What Command Is Used To Remove The Password Assigned To A Group?

Answer :

gpasswd -r.

Question 7. What Is Logical Extent (le)?

Answer :

Each logical quantity is cut up into chunks of facts, referred to as logical extents. The extent length is the same for all logical volumes in the extent institution.

Veritas Netbackup Interview Questions
Question 8. What Is Physical Extent (pe)?

Answer :

Each bodily extent is split chunks of facts, known as bodily extents; those extents have the equal length as the logical extents for the quantity organization.

Question nine. What Are Lvm1 And Lvm2?

Answer :

LVM1 and LVM2 are the variations of LVM.
LVM2 uses device mapper driving force contained in 2.6 kernel version.
LVM 1 become blanketed within the 2.4 series kernels.
Apache Webserver (Level 2) Interview Questions
Question 10. What Is The Difference Between Lvm And Raid?

Answer :

RAID offers redundancy however LVM doesn’t provide Redundancy.

Question 11. What Command Should You Use To Check The Number Of Files And Disk Space Used And Each User's Defined Quotas?

Answer :

repquota.

JBOSS Interview Questions
Question 12. What Are The Process States In Unix?

Answer :

As a method executes it changes nation in step with its circumstances. Unix strategies have the subsequent states:

Running : The technique is either going for walks or it is ready to run .
Waiting : The procedure is waiting for an occasion or for a aid.
Stopped : The system has been stopped, commonly by means of receiving a signal.
Zombie : The process is useless but have not been eliminated from the process desk.
Active Directory Interview Questions
Question thirteen. How We Will Check Free Space On Drive /dev/sda With Parted Command?

Answer :

#parted /dev/sda
print.

Question 14. What Are The Steps To Create Lvm?

Answer :

Create physical volumes by way of “pvcreate” command :

#pvcreate /dev/sda2

Add physical volume to extent organization by “vgcreate” command :

#vgcreate VLG0 /dev/sda2

Create logical quantity from extent organization by using “lvcreate” command :

#lvcreate -L 1G -n LVM1 VLG0

Now create file gadget on /dev/sda2 partition by means of “mke2fs” command :

#mke2fs -j /dev/VLG0/LVM1

Question 15. What Is Lvm?

Answer :

LVM stands for Logical Volume Manager. LVM, is a storage management solution that allows directors to divide hard drive space into bodily volumes (PV), that may then be combined into logical quantity organizations (VG), which are then divided into logical volumes (LV) on which the filesystem and mount factor are created.

Samba Server Interview Questions
Question sixteen. What Is 'inode'?

Answer :

All UNIX files have its description saved in a structure referred to as 'inode'. The inode consists of info about the file-length, its region, time of ultimate get entry to, time of ultimate amendment, permission and so on. Directories are also represented as files and feature an associated inode.

Question 17. What Can We Do With “parted” Command Or Utility?

Answer :

View the prevailing partition table.
Add partitions from loose space or extra tough drives.
Change the size of present walls.
Veritas Cluster Server (VCS) Interview Questions
Question 18. Tell Me The Steps To Remove The Swap File?

Answer :

Firstly disable the change file with the aid of “swapoff” command.
Remove Swap record access from /and so on/fstab report.
Now do away with the swap report by using “rm” command.
Red Hat Linux System Administration Interview Questions
Question 19. How Do You Identify The Ip Address Assigned To The Box?

Answer :

The ipconfig command tells you the IP for the laptop.

Question 20. How Do You Identify Which Version Of Red Hat Is Installed On The Server?

Answer :

Open a Red Had shell command line and sort /etc/redhat-launch to discover the discharge model for Red Hat.

Red Hat cluster Interview Questions
Question 21. Which Layer In The Osi Model Is Responsible For The User’s Application When Working With An Application Over The Network?

Answer :

Layer 7 is the layer responsible for software assist consisting of aid for consumer passwords and record sharing.

Question 22. How Can You Rename A File In Red Hat Linux?

Answer :

Open the Red Hat Linux shell command line and use the mv command. The mv command takes the route to the unique report and the path to the newly named document inside the parameters. If you don’t specify the parameters, the mv command will ask you for them.

Question 23. How Do You Access Mysql On Red Hat?

Answer :

Go to the shell prompt and type mysql. Linux looks up the information contained in /var/mysql/mysql.Sock and connects to the port listed in the sock record. If the port is blocked or mysql isn’t hooked up on the gadget, Red Hat Linux returns an mistakes.

Red Hat Satellite Interview Questions
Question 24. What Is The Standard Directory Used To Store User Html Website Files?

Answer :

First, you need to install Apache, and Apache units a default listing for public HTML documents. The preferred listing is /var/www/html.

Veritas Netbackup Interview Questions
Question 25. What Type Of Remote Software Can You Use To Encrypt Communication But Control Your Server?

Answer :

SSH is a far flung desktop software program that helps you to remotely control the Red Hat server the usage of a command line but additionally encrypts the statistics across the Internet. SSH makes use of port 22, so that you ought to open this port while you set up Red Hat.

Question 26. When You Install Apache, What Is The Default Web Port Used To Serve Web Pages To Public Viewers?

Answer :

Most net servers run on port eighty, and Apache defaults to port 80 when you install the software. You can use an opportunity port, but this forces the user to type a port into the browser when they get entry to the website. The other popular port for web packages is port 8080.

Linux Shell Scripting Interview Questions
Question 27. What Is The Total Number Of Primary Partitions You Can Have On One Drive In Linux Red Hat?

Answer :

you could have 4 primary partitions in Linux. This consists of Red Hat and any other running device.

Apache Webserver (Level 2) Interview Questions
Question 28. What Are Some Commands That You Can Use To Create A New User To Your System?

Answer :

There are 3 commands you can use to add a person. The 3 commands are useradd, adduser, and linuxconf.

Question 29. What Is Red Hat Network?

Answer :

Red Hat Network : A systems management platform supplying lifecycle control of the running system and packages.

Installing and provisioning new structures.
Updating structures.
Managing configuration documents.
Monitoring performance.
Redeploying systems for a new reason "Hosted" and "Satellite" deployment architectures.

Webmaster Interview Questions
Question 30. What Are The Objectives Of Red Hat Linux?

Answer :

A user who can use successfully rent Red HatEnterprise Linux to customize his or her running surroundings in addition to accomplish common commandline tasks and computing device productiveness roles.