Wed.Sep 20, 2023

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Tech Transforms podcast: Energy department CIO talks national cybersecurity strategy

Dynatrace

The White House National Cybersecurity Strategy seeks to build a “defensible, resilient digital ecosystem where it is costlier to attack systems than defend them, where sensitive or private information is secure and protected, and where neither incidents nor errors cascade into catastrophic, systemic consequences.” On Episode 65 of the Tech Transforms podcast , Willie Hicks and I sit down with Ann Dunkin, chief information officer of the Department of Energy (DOE), to discuss her department’s

Energy 229
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Exploring the Evolution and Impact of Computer Networks

DZone

In today's interconnected world, computer networks have become the backbone of modern communication and information exchange. They enable the seamless transmission of data, facilitate collaboration, and connect individuals and devices across the globe. This article delves into the evolution, components, and significance of computer networks. We will explore their history, the key networking technologies and protocols, and the impact they have had on various aspects of our lives.

Network 182
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Avoid Surprises When Restarting MySQL — Ensure Dynamic Changes Won’t Be Lost

Percona

If you’re a DBA, one of your “easiest” tasks is to stop/start MySQL during a maintenance window, but even that could lead to unwanted scenarios if you modify some dynamic parameters at some point in your instance. Here’s a brief story of how this could happen, to make it clearer: You’re a DBA managing a few MySQL servers.

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Software Verification and Validation With Simple Examples

DZone

Verification and validation are two distinct processes often used in various fields, including software development, engineering, and manufacturing. They are both used to ensure that the software meets its intended purpose, but they do so in different ways. Verification Verification is the process of checking whether the software meets its specifications.

Software 147
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How to Read Simplified SHOW REPLICA STATUS Output

Percona

As a MySQL database administrator, you’re likely familiar with the SHOW REPLICA STATUS command. It is an important command for monitoring the replication status on your MySQL replicas. However, its output can be overwhelming for beginners, especially regarding the binary log coordinates. I have seen confusion amongst new DBAs on which binary log file and position represent what in the replication.

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HLS in Depth

DZone

HLS (HTTP Live Streaming) is a live streaming protocol that leverages current widespread HTTP technologies to deliver live video + audio experiences to large audiences. Initially developed by Apple in 2009, it has gained wide adoption across devices ranging from desktops and mobile phones to smart TVs. The iPhone drove its initial adoption, and having a significant market share in the mobile space, its supporting HLS by default was an excellent booster.

Mobile 113