Creating an LXD container on Ubuntu 16.04

I have started getting-to-grips with LXD on Ubuntu – It’s pretty great! LXD makes it possible to separate your applications into containers, and the containers run close to bare metal. I’m running LXD on my webserver (the one hosting what you’re viewing this website on), with four containers: HAProxy: Used for sending port 80 and […]

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Quick and easy FTP server install on a Raspberry Pi

For this setup, i’m using Ubuntu 16.04 running on a Raspberry Pi 3. The instructions should work correctly in Debian and Raspbian too – in fact, you will probably have luck using these instructions on any Linux operating system, Raspberry Pi or not. Note: FTP is not a secure protocol, I would recommend using SFTP […]

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VestaCP API firewall suspend and unsuspend bash script

VestaCP offers an API which allows the firewall rules to be changed, but I could only find examples which use PHP and cURL and I required a script which would work as a Bash script. I’ve created a script below which you’re free to use. Ensure your host URL, admin username and password are correct […]

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Steps to safely remove Linux kernels (Ubuntu)

Note: Please understand, these instructions can make your system non-bootable. If you’re unsure, do not continue. If you’re trying to update the kernel and low/empty disk space errors are shown, it’s probably because the /boot/ directory is full. Use this command to see the available space of /boot/: sudo df -h Now check the kernel […]

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Test your system for Spectre and Meltdown vulnerabilities

Following the outbreak of three processor vulnerabilities, known as Spectre and Meltdown; I have already patched my systems and whilst doing so, came across this useful script written by Speed47. This script checks your system for the three vulnerabilities. I found it useful to check my systems were secure after applying kernel updates. To run […]

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PHP: Finding a multi-dimensional array key’s associated value

I thought I would share this simple PHP function to hopefully help anyone needing a quick solution. Imagine, you have a multi-dimensional array such as this: <?php //Example array $array = array( ‘test’ => array( ‘name’ => ‘John Doe’, ’email’ => ‘john@example.com’ ) ); ?> And you need to extract a specific bit of data, […]

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