How to run Linux Commands within vi/vim editor
There are some scenarios where UNIX or Linux admin wants to run linux commands and insert the output of commands in vi editor without leaving… Read More »How to run Linux Commands within vi/vim editor
11 Xargs Command Examples in Linux
xargs is a command in UNIX like System that reads items from the standard input, delimited by blanks (which can be protected with double or… Read More »11 Xargs Command Examples in Linux
20 Linux Virtualization Interview Questions and Answers
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… Read More »20 Linux Virtualization Interview Questions and Answers
OpenSUSE 13.1 Installation guide with Screenshots
OpenSUSE is the most widely used linux distribution. It is free / opensource which is suitable for laptops, desktops, netbooks, servers and multimedia center PCs… Read More »OpenSUSE 13.1 Installation guide with Screenshots
How to Install MPlayer (Media Player) in Ubuntu Linux
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… Read More »How to Install MPlayer (Media Player) in Ubuntu Linux
CentOS 7 Installation Steps with Screenshots
After the release of Red Hat Enterprise Linux 7 (RHEL 7) , CentOS community has released its latest Operating System named as CentOS 7. Some… Read More »CentOS 7 Installation Steps with Screenshots
20 Postfix Interview Questions and Answers
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… Read More »20 Postfix Interview Questions and Answers
Disable reboot using Ctrl-Alt-Del Keys in RHEL / CentOS
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… Read More »Disable reboot using Ctrl-Alt-Del Keys in RHEL / CentOS
Postfix – Enable logging of email’s subject in maillog
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… Read More »Postfix – Enable logging of email’s subject in maillog
How to Check Hard Drive for Bad Sectors or Blocks in Linux
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… Read More »How to Check Hard Drive for Bad Sectors or Blocks in Linux
Linux/UNIX Awk Command Tutorial with Examples
Awk is a scripting language which is used for processing or analyzing text files. Or we can say that awk command is mainly used for… Read More »Linux/UNIX Awk Command Tutorial with Examples
How to Use Variables in Shell Scripting
In every programming language variables plays an important role , in Linux shell scripting we are using two types of variables : System Defined Variables… Read More »How to Use Variables in Shell Scripting
