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Explainer: What is a blockchain? - MIT Technology Review

What is it?<p>A public1, permanent2, append-only3distributed4ledger5.<p>What’s that?<p>A mathematical structure for storing data in a way that is nearly …

Blockchain

How to select the right enterprise Linux

Red Hat Enterprise Linux is viewed as the standard for safe, stable, supported distributions in data centers. That does not mean it is always your …

Linux

Time to “Hello, World”: VMs vs. containers vs. PaaS vs. FaaS

By Dmytro Melnyk, Product Marketing Manager<br>Do you want to build applications on Google Cloud Platform (GCP) but have no idea where to start? That was …

Google Cloud Platform

RDP logs and incident response

What is RDP?<p>Remote desktop protocol (RDP) is designed by Microsoft for remote management of Windows-based virtual desktops. It provides users a …

Information Security

Grafana – An Open Source Software for Analytics and Monitoring

Grafana is an open source, feature rich, powerful, elegant and highly-extensible analytics and monitoring software that runs on Linux, Windows and …

What is a Smart Contract?

A smart contract is just like an old-fashioned verbal or paper contract except with a smart contract, the conditions can be met digitally. Smart …

Blockchain

Wall Street is moving into the bitcoin market. So why aren’t prices rising?

Wall Street is working its way into the world of bitcoin, with several notable firms announcing this month that they are getting ready to participate in the market. You might think mainstream support for the highly speculative digital asset would give bitcoin and its crypto cousins a boost, as it …

Cryptocurrency

The 6 best blockchain jobs of the future

Use of the blockchain is growing, and businesses will need skilled professionals to gain a competitive edge.<p>While blockchain adoption remains slow, …

Launching an ICO Token on Ethereum in Less Than Thirty Minutes

<b>Over the past few years since the launch of the Ethereum network and other blockchains that can create tokens, initial coin offerings (ICOs) have</b> …

Tuning Ansible

<i>Special Thanks: This article was made possible by support from Linux Professional Institute</i><p>Among configuration management tools, the most well known …

A Bash Script to Create a Bootable USB from ISO in Linux

Bootiso is a powerful Bash script to easily and securely create a bootable USB device from one ISO file. It helps you create a bootable USB from an …

This blockchain-powered platform wants to bring transparency to the real estate market

Buying a property is stressful, period. Whether you’re a first-time buyer or a seasoned property chaser, the process is considered to be more stressful than bankruptcy, divorce, or even the death of a loved one.<p>With unclear and disjointed processes, repetitive and tedious paperwork, and unexpected …

Real Estate

Linux Security Expert: Tools

To protect your online privacy a couple of checks are performed before we can redirect you to the destination website.

Understanding Blockchain: A Beginners Guide to Ethereum Smart Contract Programming

One of the hottest technologies of late is <i>blockchain</i>. A blockchain is a digital transaction of records that’s arranged in chunks of data called …

Case study: Network bottlenecks on a Linux server: Part 2— The Kernel

In the previous article I went over some potential bottlenecks related to the NIC itself. In this article, we’ll be looking at some of the kernel …

Inside the Linux boot process

Take a guided tour from the Master Boot Record to the first user-space application<p>M. Tim Jones<br>Published on May 31, 2006<p>In the early days, …

These three core-focused moves will keep your body balanced and looking its best

Nike master trainer Eva Redpath shares three core-focused moves that <b>work the entire body</b> and will have you looking—and feeling—beautifully …

3 password managers for the Linux command line

We all want our passwords to be safe and secure. To do that, many people turn to password management applications like KeePassX or Bitwarden.If you …

Linux

The Regex warrior: transform a text file in <2 mins

Recently I needed to transform a csv file with some simple processing. If you want to transform a file line by line, replacing a few things, deleting …

How to configure a static IP address in CentOS 7

This short tutorial walks you through the process of changing a CentOS ethernet interface from DHCP to static--but be prepared to type.<p>You may have …

How To: Automate Brute-Force Attacks for Nmap Scans

Using Hydra, Ncrack, and other brute-forcing tools to crack passwords for the first time can be frustrating and confusing. To ease into the process, …

Writing Shell Scripts — The Beginner’s Guide

Shell scripts are just set of commands that you write in a file and run them together. For anyone who has worked with <b>DOS’s bat files</b>, it’s almost the …

Top 15 Open Source Backup Software for Linux

• 0<br>• shares<p>To recover from some unexpected situations like human errors, Disk failure or RAID, Corruption of file systems we need a good backup plan. The …

How To: Use SELinux Targeted Policy to Secure Your Hosts

Hackers often rely on lazy system admins and unpatched vulnerabilities to get access to a host. Keeping intruders off of our machines requires us to …

Linux

Linux Fu: Regular Expressions

If you consider yourself a good cook, you may or may not know how to make a souffle or baklava. But there are certain things you probably do know how …

How to pick the right online crypto wallet

On a Friday morning in late January, the users of Coincheck, a Japan-based cryptocurrency exchange, logged in to find their wallets empty of NEM tokens, a cryptocurrency specialized for payments and other financial services.<p>But this wasn’t a temporary server outage, a common problem most exchanges …

Bitcoin

Docker for Beginners Part 1 – Containers and Virtual Machines

Part 1 - Containers and Virtual Machines<p>Hello!<p>This is the <b>Part 1</b> from the Docker series - Docker for Beginners in 8 Parts. In this post we're going to …

How Do You Mine Ethereum? | Investopedia

Ethereum, like most cryptocurrencies, relies on the work of miners. While it's easy to assume that miners work to generate ether tokens (ETH) so that …

How to Use a Cover Letter to Land a Job Interview

Don't skimp on the effort when it comes to this important document.<p>Many job seekers treat cover letters as a necessary evil. They put some effort in, …

Newly Discovered Vulnerability In All Ledger Hardware Wallets Puts User Funds At Risk

Hardware cryptocurrency wallet manufacturer Ledger has discovered a vulnerability that affects all of its devices and can lead to users losing their …