What is Linux System Administration?

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A Linux System Administrator takes care of computers running on the Linux operating systems. The professional will handle the support infrastructure, operating systems, virtual platforms, and applications. The administrator is responsible for the integrity and security of the servers and computer systems by following established security protocols and...

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Linux Virtualization : Linux Containers (lxc)

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Introduction to virtualizationOperating-system-level virtualization is a server virtualization method in which the kernel of an operating system allows the existence of multiple isolated user-space instances, instead of just one. Such instances, which are sometimes called containers, software containers, virtualization engines (VEs) or jails (FreeBSD jail or chroot jail),...

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Introduction to Kali Linux

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Operating System is the main system software which is responsible for the flawless working of the machine. Some Operating Systems are designed for some specific purposes. Though we could use them for anything we want to, but they have some special tools or services available feasibly to its...

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Difference Between Arch Linux and Kali Linux

Arch Linux is an open-source Linux based Operating System that is freely available for use. It belongs to the Pacman based Linux family. It is a light weighted OS for daily use and could even be used by professionals. It was first released in March 2002. It is...

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tr command in Unix/Linux with examples

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The tr command in UNIX is a command line utility for translating or deleting characters. It supports a range of transformations including uppercase to lowercase, squeezing repeating characters, deleting specific characters and basic find and replace. It can be used with UNIX pipes to support more complex translation....

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anvil - Unix, Linux Command

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NAMEanvil - Postfix session count and request rate controlSYNOPSISanvil [generic Postfix daemon options]DESCRIPTIONThe Postfix anvil(8) server maintains statistics about client connection counts or client request rates. This information can be used to defend against clients that hammer a server with either too many simultaneous sessions, or with too...

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5 UNIX / Linux Anacron Command Example for Background Jobs

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The main advantage of anacron is that you don’t need to have the system be up and running always to execute the background jobs.This is very helpful when you want to run background jobs on laptops, which might not be available 24×7. But, you still can schedule routine...

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Difference between Linux and Windows

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Linux:Linux could be a free and open supply OS supported operating system standards. It provides programming interface still as programme compatible with operating system primarily based systems and provides giant selection applications. A UNIX operating system system additionally contains several severally developed parts, leading to UNIX operating system...

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How to Contribute to an Open Source Project

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It is great to see that the strategic relevance of open source software for the software industry is rapidly increasing (e.g. shown by IBM and Microsoft investing heavily into open source) and companies as well as individuals increasingly acknowledge the importance and advantages of open source.One of the...

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AWK command in Unix/Linux with examples

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Awk is a scripting language used for manipulating data and generating reports.The awk command programming language requires no compiling, and allows the user to use variables, numeric functions, string functions, and logical operators.Awk is a utility that enables a programmer to write tiny but effective programs in the...

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Join Command in Unix/Linux Examples

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Join command is one of the text processing utility in Unix/Linux. Join command is used to combine two files based on a matching fields in the files. If you know SQL, the join command is similar to joining two tables in a database. The syntax of join command...

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