Musings & Tutorials
Sysadmin notes, CentOS, MySQL, MariaDB and PHP walkthroughs, and the occasional company update.
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How to Reset MySQL/MariaDB Root Password
In today’s article, I’m going to show you the process to reset MySQL/MariaDB root passwords. This should work for all versions, but your mileage may vary. This trick is especially useful if you run into the following error in the mysql/mariadb error log while trying other reset methods: [Server] Fatal error: Please read "Security" section…
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Install MySQL 8.0.13 on CentOS 7.5 (1804)
Today I’m going to show you how to install MySQL 8.0.13 on CentOS 7.5 (1804). This tutorial assumes that you are running a stock/default installation of CentOS 7.5, and have NOT previously installed MySQL or MariaDB. 1. Make sure you’re NOT already running MySQL/MariaDB Run the following command: mysql -v Should output the following:…
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How to Upgrade MariaDB 5.5 to MariaDB 10.3 on CentOS 7.5 (1804)
In this tutorial, I’ll show you how to upgrade MariaDB 5.5 to MariaDB 10.3 on CentOS 7.5 (1804). This tutorial assumes that you are running a stock/default installation of CentOS 7.5, and have already installed MariaDB 5.5. 1. Make sure you’re running MariaDB 5.5 Run the following command: mysql -v Should output the following:…
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Install MariaDB 10.3.10 on CentOS 7.5 (1804)
In this tutorial, I’ll show you how to install MariaDB 10.3.10 on CentOS 7.5 (1804). This tutorial assumes that you are running a stock/default installation of CentOS 7.5, and have NOT previously installed MariaDB. If you have already installed MariaDB, please see our tutorial on How to Upgrade MariaDB 5.5 to MariaDB 10.3 on CentOS…
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How to Upgrade PHP 5.4 to PHP 7.3 on CentOS 7.5 (1804)
This tutorial will show you how to upgrade PHP 5.4 to PHP 7.3 on CentOS 7.5 (1804). I’m assuming that you are running a stock installation of CentOS, and already have PHP 5.4 installed. 1. Verify current version of PHP Type in the following to see the current PHP version: php -v The output…
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How to Upgrade PHP 5.4 to PHP 7.0 on CentOS 7.5 (1804)
This tutorial will show you how to upgrade PHP 5.4 to PHP 7.0 on CentOS 7.5. The assumption is that you are running a stock installation of CentOS, and already have PHP 5.4 installed. 1. Verify current version of PHP Type in the following to see the current PHP version: php -v The output…
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How to Upgrade PHP 5.4 to PHP 5.6 on CentOS 7.5 (1804)
This tutorial will show you how to upgrade PHP 5.4 to PHP 5.6 on CentOS 7.5. The assumption is that you are running a stock installation of CentOS, and already have PHP 5.4 installed. 1. Verify current version of PHP Type in the following to see the current PHP version: php -v The output…
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Another Long Overdue Update…..
Hey All, So it’s been almost 3 years since I last made any changes to the site, or even wrote content for that matter. Looking back at it all, I’m realizing that I should have probably put more effort into at least putting out some tutorials, as I have amassed a massive backlog of content…
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Creating VLANs on a Juniper EX3300
Hello everyone here is an easy guide for creating Vlans on a Juniper EX3300. The hardware we used in this guide was a Juniper EX3300 with image version ex-3300-12.3R10.2. If you are like me and are use to using Cisco switches Juniper is a completely different beast. The below assumes you have already start cli.…
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VPS Hosting: 5 Things to do with your new VPS
So you’ve bought yourself a shiny new VPS, but have no idea what to do with it. Well, you’ve come to the right place! We’re going to discuss the top 5 things to do with your new VPS, and we’re going to show you how to apply these 5 points to your Ubuntu, or CentOS…
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The Great IPv6 Debate.. Is Over. Maybe?
With ARIN’s announcement on September 24th 2015, that their Free Pool of IPv4 addresses has officially been depleted, comes the end of an era. The end of the IPv4 vs IPv6 battles, the end of tip-toeing around the subject of deploying IPv6, the end of IPv4. Will the world now finally accept IPv6 into it’s…
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Install the EPEL and Remi Repositories on CentOS
In this mini article, I’m going to show you how to install the EPEL and Remi Repositories on CentOS. These repositories contain some useful tools and utilities, which can help improve your life as a Systems Administrator. They also contain updated versions of certain softwares, such as MariaDB and PHP. Let’s begin! 1. Install the EPEL…
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How to Install Apache, MariaDB, and PHP on CentOS 7.1
In this article, I’ll be showing you how to install Apache 2.4, MariaDB 10.1, and PHP 5.6 on CentOS 7.1.1503. This article assumes you are running a fresh installation of CentOS 7.1, and that you have not yet configured any services. 1. Upgrade CentOS 7.1 As always, with any freshly installed system, let’s…
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How To Manually Install WordPress 4.3.1 on CentOS 6.7
Installing WordPress on CentOS couldn’t be easier. We just need to make sure that Apache, MySQL, and PHP are installed and operational, then upload the WordPress files to the Apache VirtualHost directory. If you need help setting up Apache, MySQL, and PHP please read through the following articles first, as I will be assuming you…
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How to Flush the DNS Cache on Windows
Occasionally, you need to flush the DNS cache on Windows. This article will show you how to do that on Windows 98/NT/2000 and Windows XP, Windows 7 and Vista, Windows 8 and 8.1, and Windows 10. 1. Windows XP and Windows 98/NT/2000 Flushing the DNS cache on Windows XP couldn’t be easier. Simply do the…
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How to Install MariaDB 10 on CentOS 6.7
This article will show you how to install MariaDB 10 on CentOS 6.7. I will be assuming that you DO NOT already have MySQL installed, and that you are installing MariaDB 10 on a freshly installed, stock CentOS 6.7 installation. 1. Add the Official MariaDB Yum Repository First off, we need to add the…
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CentOS 7.1 Reference Guide
A number of changes were made in CentOS 7 that are fairly different from previous iterations. This page will attempt to identify and address the differences and how to deal with them. Differences include: Default XFS filesystem (need more research on XFS and Butter FS To fill out filesystem) ifconfig is gone setup is…
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Resetting root password on CentOS 7.1 / RHEL
This article will explain step by step on how to reset the password on your CentOS 7.1 server. This article assumes that you have direct access to your server, via KVM/IPMI, or standing in front of the console directly, plugged in with keyboard/mouse. You were brought here either because you lost or forgot your root…
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How to Install MySQL 5.6 on CentOS 6.7
This article will show you how to install MySQL 5.6 on CentOS 6.7. In writing this how-to, I have assumed that you are running a stock installation of CentOS 6.7, and that you DO NOT already have MySQL installed. 1. Install the MySQL Community repository First, we need to install the Official MySQL Community repository,…
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How to Upgrade PHP 5.3 to PHP 5.6 on CentOS 6.7
In this article, I’m going to show you how to upgrade PHP 5.3 to PHP 5.6 on CentOS 6.7. This article assumes you have a stock installation of CentOS, and that you already have PHP 5.3 installed 1. Verify current version of PHP Type in the following to see the current PHP version: php…
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How to Upgrade PHP 5.3 to PHP 5.5 on CentOS 6.7
In this article, I’m going to show you how to upgrade PHP 5.3 to PHP 5.5 CentOS 6.7. This article assumes you have a stock installation of CentOS, and that you already have PHP 5.3 installed 1. Verify current version of PHP Type in the following to see the current PHP version: php -v…
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How to Install WHMCS 6.1 on a VPS or Dedicated Server running CentOS 6.7
In this article, I’m going to show you how to install WHMCS on a VPS or a Dedicated server running CentOS 6.7. This should work on almost any version of CentOS 6, but don’t quote me on that! Package changes might change in a way that is unforeseen! This article assumes you have a general…
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How to Create a VirtualHost in Apache 2.2 on CentOS 6.7
In this article, I’ll be showing you how to create a VirtualHost container for your domain on Apache 2.2 running on CentOS 6.7. This article assumes you have already installed Apache 2.2. If you haven’t, you can following my guide on How to Install Apache, MySQL, and PHP on CentOS 6.7. That should get you…
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How to Upgrade MySQL 5.1 to MySQL 5.5 on CentOS 6.7
Today you’re going to learn how to upgrade MySQL 5.1 to MySQL 5.5 on CentOS 6.7. This article assumes that you are running the CentOS BASE version of MySQL 5.1. We are ALSO assuming that you are not running this on a live, production environment. If you do plan on running this on a live…
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How to Upgrade PHP 5.3 to PHP 5.4 on CentOS 6.7
I’m going to show you how to upgrade PHP 5.3 to PHP 5.4 on CentOS 6.7. This article is assuming that you are running the CentOS 6.7 default version of PHP 5.3. 1. Confirm your version of PHP is the CentOS 6.7 default Type in the following: rpm -qa | grep php Should output similar…
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How to Flush the DNS Cache on OSX/Mac
Sometimes, you need to flush the DNS cache on OSX/Mac. This can be for any number of reasons, but usually, this is done when you have either updated DNS settings at your domain registrar or when you have updated a page on your website and need to see the updated version in your web browser. Thankfully,…
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How to Install Apache, MySQL, and PHP on CentOS 6.7
Installing Apache, MySQL, and PHP on CentOS 6.7 couldn’t be easier. Today, we’re going to show you just how quickly you can prepare your server for an unlimited number of uses. Keep in mind, this article is written with the assumption that you are running a freshly installed vps server, or dedicated server running CentOS…
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How to Install cPanel on a VPS or Dedicated Server
So you’ve got your vps hosting plan or your dedicated server online and operational. Congratulations! Now you get to dive into the fun stuff, so without further ado, let’s get started! No clue what this article is about? Check out our post on 7 Easy Steps to Starting Your Own Web Hosting Company and catch…
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7 Easy Steps to Starting Your Own Web Hosting Company/Business
In my opinion, one of the hardest things to do in life is starting your own business, especially starting your own web hosting company. Don’t misunderstand me, starting and running the business is definitely not easy, but that’s the easiest part of it all. The truly hard part is on a personal level. Deciding to…
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A Site Redesign… Again
Hey everyone! So the long overdue redesign has finally happened. My fingers are bleeding and my eyes a blur, but I’m happy with the results (never satisfied). I completely changed the look and feel of the homepage, managed web hosting, and server management pages. I think the site has a fresh new look and I’m…
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The Blog has been Launched… Maybe?
Hey all, So this post marks the official launch of the ZSB Blog. The plan for the future of said blog is to provide current, relevant information regarding the web hosting industry, and technology in general. Stay posted for more. I’ll hopefully be updating this thing at least once a week, excluding the occasional public…
Need a server to practise on?
Spin up a KVM VPS and follow along with any of these tutorials without risking your production boxes.