Tenable Nessus is an industry standard vulnerability scanner that can be installed for free for basic network scanning. I’ve also had the opportunity to deploy Nessus agents across a fleet of hundreds of Linux servers and run extensive scans from Tenable cloud. In this article I’ll describe setting up Nessus in Linux to scan remote […]
This post will demonstrate setting up an OpenLDAP Server for user authentication on Enterprise Linux. OpenLDAP is an implementation of the Lightweight Directory Access Protocol and is often used for user identity and authorisation services in corporate environments. I’ve previously demonstrated setting up an Enterprise Linux virtual machine, so if you haven’t already done so […]
In this post we’ll configure Network Time Protocol services in our local network. NTP provides time synchronisation which is important for authentication services and single-signon which we’ll set up in a later post. This post assumes you’ve already got an Enterprise Linux server setup. I’ll be using AlmaLinux that I installed in this post, although […]
Previously I wrote about using Ansible to manage the configuration of Linux servers. I love using Ansible and use it almost every day, however in a large Enterprise environment with multiple users and a lot of Ansible roles and playbooks, sometimes using Ansible on its own becomes difficult to maintain. In this post I’m going […]
Ansible is an open source, configuration management and automation tool sponsored by Red Hat. Ansible lets you define the state that your servers should be in using YAML and then proceeds to create that state over SSH. For example, the state might be that the Apache web server should be present and enabled. The great […]
In this post I’ll outline the steps to join an Enterprise Linux host to Microsoft Active Directory for user account management. Why would you want to do this? In an Enterprise environment it’s common to have a mix of Windows and Unix/Linux machines that offer different services across the organisation. To resolve the issues of […]
In this post I’m going to demonstrate the installation of Enterprise Linux in VMware. I’ll be installing the AlmaLinux distribution because it’s a completely free, community maintained Enterprise distribution, though the steps outlined here should be the same for all variants of Red Hat Enterprise Linux, including Oracle Linux, Rocky Linux and CentOS. First of […]
This is a short post describing how to build and install the Linux kernel from source. There’s plenty of documentation elsewhere online that goes into more detail than I will here, so this is mainly as a reference for myself. I’m using Fedora 34, but you can follow similar steps for other distributions. First install […]
Since 2017 I’ve worked as the Technical Lead for a Sydney Media publisher. My team and I build and manage over 70 commercial WordPress websites generating over 1M page views per month and regularly sending content to over 500,000 subscribers. While I wouldn’t necessarily call this massive scale, it’s definitely required a lot of on-going […]
WordPress currently powers over 40% of the Web which is a massive number of Websites. One of the key selling points for using WordPress is how easy it is to get started, particularly for non-technical people. I started using WordPress around 2008 as an easy way to build websites for clients because I could easily […]