27 ‘DNF’ (Fork of Yum) Commands for RPM Package Management in Linux

DNF aka Dandified YUM is a next generation Package Manager for RPM based Distribution. It was first introduced in Fedora 18 and it has replaced YUM utility in recent release of Fedora 22.

DNF aims at improving the bottlenecks of YUM viz., Performance, Memory Usages, Dependency Resolution, Speed and lots of other factors. DNF does Package Management using RPM, libsolv and hawkey library. Though it does not come per-installed in CentOS and RHEL 7 you can yum, dnf and use it alongside the yum.

45 Zypper Commands to Manage ‘Suse’ Linux Package Management

SUSE (Software and System Entwicklung (Germany) meaning Software and System Development, in English) Linux lies on top of Linux Kernel brought by Novell. SUSE comes in two pack. One of them is called OpenSUSE, which is freely available (free as in speech as well as free as in wine). It is a community driven project packed with latest application support, the latest stable release of OpenSUSE Linux is 13.2.

The other is SUSE Linux Enterprise which is a commercial Linux Distribution designed specially for enterprise and production. SUSE Linux Enterprise edition comes with a variety of Enterprise Applications and features suited for production environment, the latest stable release of SUSE Linux Enterprise Edition is 12.

How to Manage ‘Systemd’ Services and Units Using ‘Systemctl’ in Linux

Systemctl is a systemd utility which is responsible for Controlling the systemd system and service manager.

Systemd is a collection of system management daemons, utilities and libraries which serves as a replacement of System V init daemon. Systemd functions as central management and configuration platform for UNIX like system.

In the Linux Ecosystem Systemd has been implemented on most of the standard Linux Distribution with a few exception. Systemd is the parent Process of all other daemons oftenly but not always.

7 Interesting Linux ‘sort’ Command Examples – Part 2

In our last article we have covered various examples on sort command, if you’ve missed, you can go through it using below link. In continuation to the last post this post aims at covering remaining of sort command so that both the article together serves as complete guide to Linux ‘sort‘ command.

1. 14 ‘sort’ Command Examples in Linux

Before we continue further, create a text file ‘month.txt‘ and populate it with the data as given below.

14 Useful Examples of Linux ‘sort’ Command – Part 1

Sort is a Linux program used for printing lines of input text files and concatenation of all files in sorted order. Sort command takes blank space as field separator and entire Input file as sort key. It is important to notice that sort command don’t actually sort the files but only print the sorted output, until your redirect the output.

This article aims at deep insight of Linux ‘sort‘ command with 14 useful practical examples that will show you how to use sort command in Linux.

7 Quirky ‘ls’ Command Tricks Every Linux User Should Know

We have covered most of the things on ‘ls’ command in last two articles of our Interview series. This article is the last part of the ‘ls command‘ series. If you have not gone through last two articles of this series you may visit the links below.

1. 15 Basic ‘ls’ Command Examples in Linux
2. Sort Output of ‘ls’ Command By Last Modified Date and Time
3. 15 Interview Questions on Linux “ls” Command – Part 1
4. 10 Useful ‘ls’ Command Interview Questions – Part 2

7 Quirky ls Command Tricks

1. List the contents of a directory with time using various time styles.

10 ‘free’ Commands to Check Memory Usage in Linux

Linux is one of the most popular open source operating system and comes with huge set of commands. The most important and single way of determining the total available space of the physical memory and swap memory is by using “free” command.

The Linux “free” command gives information about total used and available space of physical memory and swap memory with buffers used by kernel in Linux/Unix like operating systems.