Pradeep Kumar 
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 sectors or bad blocks is the space of the disk which can’t be used due to the permanent damage or … Read more
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 grouping of data based on either a column or field , or on a set of columns. Mainly it’s used … 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 , in Linux shell scripting we can use two types of variables : System Defined Variables & User Defined Variables. … Read more
There are some scenario where system admin wants only few users should be allowed to transfer files to Linux boxes but no ssh. We can achieve this by setting up SFTP in chroot environment. Background of SFTP & chroot : SFTP stands for SSH File Transfer … Read more
Q:1 What does BIND Stands for ? Ans: BIND stands for Berkeley Internet Name Domain. Q:2 What is DNS Server and its fundamentals ? Ans: The Domain Name System (DNS) is a hierarchical, distributed database. It stores information for mapping Internet host names to IP … Read more
In this post, we will cover how to install and use putty on Ubuntu Linux. System Admins who had worked on Windows Operating system, surely they have used putty software to ssh UNIX like systems. When they migrated to Ubuntu Desktop , they might require … Read more
In this tutorial, we will cover how to install FilZilla in Ubuntu 22.04 LTS (Jammy Jellyfish) and Ubuntu 20.04 LTS and will also learn how to use filezilla. FileZilla is a free and open-source ftp client for both windows and Linux operating systems. It is … Read more
In this post, we will cover how to generate sos report on RHEL 8 and RHEL 9 system. Sos report is a command line tool in Linux distributions like RHEL and CentOS, which collects system configuration and diagnostic information of your linux box like running … Read more
Skype is a chat client that allows users to communicate with each other through plain chatting and voice or video chat. Millions of users and businesses use Skype to make free video & voice calls, send instant messages and share files with other Skype users. … Read more
Google Chrome is most widely used web browser. It allows the users to surf internet faster, safer & easier. Google chrome is not an open source software that’s why it is not available in the default package repositories of Ubuntu. So to install chrome, first … Read more
Youtube-dl is a small command-line program to download videos from YouTube website and other sites that don’t provide direct links to the videos served. youtube-dl allows the user, among other things, to choose a specific video quality to download (if available) or let the program … Read more
Q:1 Why to use NFS ? Ans: A Network File System (NFS) allows remote machine to mount file systems over a network and interact with those file systems as though they are mounted locally. This enables system administrators to consolidate resources onto centralized servers over the … Read more
