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It’s always a good idea to update your password on a regular basis and use a unique password for each account. As a regular user in Ubuntu you can only change your own password. The root user and users with sudo privileges can change another user’s passwords and define how the password can be used or changed.

2DayGeek: Dcp (Stands for Dat Copy) copies files between hosts on a network using the peer-to-peer Dat network.

Yarn is an advanced package management tool for Javascript applications mostly used for Node.js applications. Yarn is compatible with npm used for installing, configuring, updating and removing npm packages.

In Linux systems, you can create new directories either from the command line or with your desktop file manager. The command that allows you to create directories (also known as folders) is mkdir.

we will go deep into the functionalities and understand all the different features of Jenkins. Let’s get started. Developers make commits in the source code. Jenkins polls and detects code at every interval. If there are any commits, Jenkins will start the build using any of the build tools integrated into the code...

There seems to be a mad rush at the beginning of every year to find ways to be more productive. New Year's resolutions, the itch to start the year off right, and of course, an "out with the old, in with the new" attitude all contribute to this. And the usual round of recommendations is heavily biased towards closed source and proprietary software. It doesn't have to be that way. Here's the ninth of my picks for 19 new (or new-to-you) open source tools to help you be more productive in 2019. read more

This tutorial explains the Ubuntu Poweroff and Shutdown commands and provides some easy to use examples.

2DayGeek: This tutorial helps you to copy files or folders in multiple servers using Shell script.

Use the Python Netmiko module to automate switches, routers and firewalls from multiple vendors.

Because of the way time is represented in Linux, a signed 32-bit number can't support times beyond January 19, 2038 after 3:14:07 UTC. This Year 2038 (Y2038 or Y2K38) problem is about the time data type representation. The solution is to use 64-bit timestamps. read more

BoltWire is an easy to use content management system that can be used to create personal or business websites which is released as OpenSource software. It is written in PHP language and it doesn't require a database, all its data is stored in the file system.

This tutorial shows you how to use sleep commands and its various options in bash scripts.

With the rise of kubernetes and micro-services architecture, being able to quickly write and deploy a RESTful API service is a good skill to have. In this first part of a series of articles, you’ll learn how to use Fedora to build a RESTful application and deploy it on Openshift. Together, we’re going to build […]

News briefs for January 21, 2019.

The grep command used to find a particular string or pattern in one or multiple patterns. Grep stands for “Global Regular Expression Print”. Grep is the most powerful command in Linux used most commonly.

Of all the computers I've ever owned or used, the one that booted the quickest was from the 1980s; by the time your hand moved from the power switch to the keyboard, the BASIC interpreter was ready for your commands. Modern computers take anywhere from 15 seconds for a laptop to minutes for a small home server to boot. Why is there such a difference in boot times? read more

It’s been ages since we last surveyed the project management scene. Here’s our updated recommendations for free project management software.

Parrot 4.5 has been released. Parrot (formerly Parrot Security OS) is a Debian-based, security-oriented distribution featuring a collection of utilities designed for penetration testing, computer forensics, reverse engineering, hacking, privacy, anonymity and cryptography. The product, developed by Frozenbox, comes with MATE as the default desktop environment.

Minecraft is one of the most popular games of all time. It is a sandbox video game about placing blocks and going on adventures. In this tutorial, we’ll go through the steps necessary to install and configure Minecraft Server on CentOS 7. We’ll use Systemd to run the Minecraft server and the mcrcon utility for connecting to the running instance. We’ll also show you how to schedule automated server backups using a Cron job.

An open-spec, Allwinner H6 based “Orange Pi 3” SBC has gone on sale for $30 to $40, with the latter giving you 2GB of RAM and 8GB eMMC. Other highlights: GbE, HDMI 2.0, 4x USB 3.0, WiFi-ac, and mini-PCIe. The long-awaited Orange Pi 3 — the highest end of three Allwinner H6 based Orange Pi […]