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In Windows operating system you can use ipconfig command to view ip address of a system. In Linux ifconfig command can be used to view ip address of an …

Grep command is used to search text or string in any text file. Grep command in Linux stands for  “global search for the regular expression”. The text for which …

Vi is widely used Linux text editor as its easy to use and available across all Linux platforms. Vi text editor has both command mode and edit or insert …

A hostname is name assigned to any computer which is on a network and this name is used to identify this system in cluster of devices on any network …

DNF is next generation package manager replacing yum in rpm based Linux distributions. It was first introduced in Fedora 18, is default package manager in Fedora. Yum 4 is …

Firewalld is front-end tool for managing iptables configurations.  Firewalld can be used dynamically i.e. changes can be done without affecting running sessions and connections. Firewalld has zone and services …

Iptables is pre-installed program in Linux which is default firewall application. All incoming and outgoing traffic is filtered by iptables.  How does IPtables work Before going any further note …

What is Visceral fat Our body always have some fat. But excess fat is always linked to Heart diseases and metabolic problems. All types of Fats are dangerous but …

We have following how to change boot order in Fedora since its version 18. Over years procedure to change boot order has changed slightly. To change boot order in …

To add data in excel which lies between two dates, SUMIFS function can be used. SUMIFS function is used to add data which meet multiple conditions or criteria. To …