How to install htop on RHEL 8 using yum nixCraft
I am a new user of Red Hat Enterprise Linux 8. How do I install htop on RHEL 8 using the yum command?Introduction – htop is nothing but Interactive process viewer for RHEL (Red Hat …
Why People Keep Falling for Viral Hoaxes
It’s not because they’re stupid.
Testing Made Easier Via Framework Minimalism And Software Architecture
Like many other Android developers, my initial foray into testing on the platform lead me to be immediately confronted with a demoralizing degree of jargon. Further, what few examples I came across at the time (circa 2015) did not present practical use cases which may have inclined me to think that the cost to benefit ratio of learning a tool like Espresso in order to verify that a TextView.setText(…) was working properly, was a reasonable investment.
How to Update Old Content on Your WordPress Site
Maintaining a steady flow of traffic to your WordPress site isn’t only dependent on constantly producing brand new content. Updating old content is a great practice to keep benefitting from the posts you’ve already worked on. It’s possible to take advantage of Google’s freshness algorithm and generate a new burst of traffic for the updated content, as well as provide a better user experience for visitors to your site ensuring they never find old or irrelevant information.
In this post I’ll cover:
- The easiest way to update existing posts in WordPress
- How to push your content to the top of your blog feed again
- How to let Google know your content has been updated without pushing it to the top of your blog feed again
How You Can Have a Simple-to-Share and Easy-to-Pay Hiring Experience with the Blockchain?
Traditional recruitment processes take anywhere from days, to weeks, to even months to complete, and finding these “top-shelf” candidates is a lengthy process where the company has to spread the word about the recently opened …
There’s a Thriving Market for Human Body Parts on Instagram
Users quietly buy and sell human skulls, decorated and sold by macabre enthusiasts. Is the underground marketplace just a microcosm of our colonial past?
How to Install EPEL Repository on RHEL 8
EPEL, short for Extra Packages for Enterprise Linux, is a free and open source repository provided by Fedora team. EPEL provides extra or supplementary software packages for CentOS, RedHat, Oracle Linux & Scientific Linux distros. It...
Build a distributed NoSQL database with Apache Cassandra
Recently, I got a rush request to get a three-node Apache Cassandra cluster with a replication factor of two working for a development job. I had little idea what that meant but needed to figure it out quickly—a typical day in a sysadmin’s job.
Here’s how to set up a basic three-node Cassandra cluster from scratch with some extra bits for replication and future node expansion.
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Transitioning to DevOps: Advice from an NGINX Expert
Enterprises across the world today are becoming increasingly interested in leveraging DevOps to deliver applications and services at a fast pace. However, at most organizations, awareness of DevOps has remained confined to abstract principles rather than practical knowledge. There is a strong misunderstanding about the purpose of DevOps, and as a result many companies are […]
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The Inglourious Cosmos Validators
Cosmos Validators run nodes and receive minimal rewards. Discover why this phenomenon occurs as the story unfolds. Proof-of-Stake node operators receive minimal rewards to run nodes in the network but they’re very motivated. Why is that? …
Think Video on Your Phone Is Slow? It’s Not Your Imagination
A study by Northeastern University researchers found that major wireless carriers sometimes limit video to DVD-quality, even on some “unlimited” plans.
Talk: Every Product Has a Voice, with Dropbox Design Lead Ben Hersh
Design Lead at Dropbox, Benjamin Hersh, designs to make the world a more thoughtful and creative place, he discusses UX writing in product design and shares…
Pitching Your Writing To Publications
Recently, I had a chat with Chris Coyier and Dave Rupert over on the Shoptalk Podcast about writing for publications such as Smashing Magazine and CSS-Tricks. One of the things we talked about was submitting ideas to publications — something that can feel quite daunting even as an experienced writer.
In this article, I’m going to go through the process for pitching, heavily based on my own experience as a writer and as Editor in Chief of Smashing.
How to Setup Free SSL Certificate for Apache on Debian 10
In the growing face of cyberattacks and breaches, securing your website is a top priority in protecting yourself and your site visitors from hackers. In this tutorial, we explore how you can set up...
An introduction to bpftrace for Linux
Bpftrace is a new open source tracer for Linux for analyzing production performance problems and troubleshooting software. Its users and contributors include Netflix, Facebook, Red Hat, Shopify, and others, and it was created by Alastair Robertson, a talented UK-based developer who has won various coding competitions.
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What Are the Working Models of Cloud Computing
Cloud computing is the delivery of computing services—including servers, storage, databases, networking, software, analytics and intelligence—over the Internet (“the cloud”) to offer faster innovation, flexible resources and economies of scale. You typically pay only for …
Amazon Says It Can Detect Fear on Your Face. You Scared?
The company updates its Rekognition suite with an algorithm that can tell if you’re afraid. Researchers say such emotion detectors don’t work very well.
Augmented Reality vs. Mixed Reality vs. Virtual Reality
With constant development in computer vision and the exponential advancement of computer processing power, augmented reality (AR), mixed reality (MR), and virtual reality (VR) technology is becoming more and more prominent. With some overlap in …
GNOME and KDE team up on the Linux desktop, docs for Nvidia GPUs open up, a powerful new way to scan for firmware vulnerabilities, and more news
In this edition of our open source news roundup, we take a look two new powerful data visualization tools, Nvidia open sourcing GPU documentation, exciting new tooling to secure firmware for self-driving cars, and more!
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Should You Learn to Code With General Assembly? A General Assembly Review
What’s the word on General Assembly?