Docker-based Multiple MySQL
Preparing a MySQL multiple-server test environment using Docker images.
Month: December 2019
Extending an Existing Hard Drive
This article is targetted at virtual servers where the capacity of a drive can be extended without having to replace the physical hardware. If you have a physical hard drive where all the space has not been allocated, these instructions could still be of use – but that scenario is not likely. Identify additional drive … Read more
Adding a New Hard Drive
Adding a new hard drive to a Linux instance involves the following steps Add physical / virtual drive to the instance Scan for and identify new drive Prepare new drive for use Adding the new drive is outside of the scope of this article, as it can be done in many different ways depending on … Read more
Convert an IP Address to a Number
There are many occasions when it can be useful to take the IP address of a host and convert that into a decimal number. Create a new file called ip2dec on your system containing the following code Then make the file executable by running This script will take a single IP address as an input … Read more
Convert a Number to an IP Address
On occasion, it is necessary to convert from a numeric value to an IP address, particularly if that numeric value was created by converting from an IP address. In a previous article, I showed how to Convert an IP Address to a Number, here I will show you how to reverse that process. Create a … Read more
Docker-based MySQL Test Environment
Preparing a MySQL test environment using Docker images.