Q:1 What is Virtualization ? Ans: Virtualization is a technique for creating virtual resources (rather than the actual) such as server, storage device, network and […]
20 Linux Virtualization Interview Questions and Answers Read More »
OpenSUSE is the most widely used linux distribution. It is free / opensource which is suitable for laptops, desktops, netbooks, servers and multimedia center PCs
OpenSUSE 13.1 Installation guide with Screenshots Read More »
MPlayer(Media Player) is a multimedia software in Linux like operating systems, it is used to play audio and video files from its GUI (SMPlayer) and
How to Install MPlayer (Media Player) in Ubuntu Linux Read More »
After the release of Red Hat Enterprise Linux 7 (RHEL 7) , CentOS community has released its latest Operating System named as CentOS 7. Some
CentOS 7 Installation Steps with Screenshots Read More »
Q:1 What is postfix and default port used for postfix ? Ans: Postfix is a open source MTA (Mail Transfer agent) which is used to
20 Postfix Interview Questions and Answers Read More »
In Linux, It’s a security concern for organization to allow anyone to reboot the server using Ctrl-Alt-Del keys. It is always recommended in production boxes
Disable reboot using Ctrl-Alt-Del Keys in RHEL / CentOS Read More »
By default postfix only capture ‘From’ and ‘To’ details in the log file (/var/log/maillog). There are some scenarios where we want that email’s subject should
Postfix – Enable logging of email’s subject in maillog Read More »
Badblocks is the command-line utility in Linux like operating systems which can scan or test the hard disk and external drive for bad sectors. Bad
How to Check Hard Drive for Bad Sectors or Blocks in Linux Read More »
In this tutorial, we will explain Linux/UNIX AWK Command with examples. AWK is a versatile and lightweight text-processing language that comes pre-installed on most Unix-like
Linux/UNIX Awk Command Tutorial with Examples Read More »
In this post, we will discuss how to use variables in bash shell scripting with examples. In every programming language variables plays an important role
How to Use Variables in Shell Scripting Read More »
