This article describes the fastest way I know to upgrade a WordPress site. A little background: I recently had a WordPress site that was error’ing when attempting to administer it. There were missing functions, etc. I decided to simply upgrade the WordPress code-base to the latest and solve the problemRead more
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In this article we’re going to walk through installing Docker on Ubuntu, starting a few Docker containers, and then running those containers behind a reverse proxy. When we’re done, you’ll have a load balance terminating SSL (TLS) connections with multiple Docker containers running the workload. This is how it willRead more
This article shows how to install Docker for Windows 10 (and probably 11), and then start a web server in a Docker container. Install Docker Visit “https://www.docker.com/products/docker-desktop” and download Docker installer. Start the installation process (you’ll need local admin privileges). During the installation process, the wizard will ask if youRead more
Sometimes we don’t want the public knowing the versions of Apache and PHP running on our servers. This article shows how to hide that information. We’re using CentOS 7 for this example but the only difference really is the location of the configuration file for the Vhosts. Hide the ApacheRead more
This article walks you through the process of installing, configuring and running scans using Metasploit and Nmap. Both CentOS 7 and Ubuntu 20.04 are discussed. Our objective is to be able to run nmap scans and have the results go into a database so we can filter the results laterRead more
This article describes how to protect your Apache web server by restricting which countries can access it. We’re using Apache on CentOS 7 but Ubuntu instructions are included and are very similar. I’ve given two examples; one on whitelisting everything except what we want to block, and blacklisting everything exceptRead more
This article continues from Part 1 – Installation and configuration. We can create a replica set (replicateset) or “rs” for short, so we can scale an application to meet demand. Create a file on the Kubernetes host called “my-rep-set.yaml” and populate it with the following: Tip: This is just anRead more
This article walks you through the process of installing the minimal Kubernetes environment on Ubuntu 20.04. Kubernetes comes in two forms; a single node cluster and a multi-node cluster. In this walk through, we’ll be using the single node cluster called MicroK8s. I suggest starting with a Ubuntu 20.04 serverRead more
This article is focused on generating a CSR file, submitting it to a CA and using the resulting Certificate on Linux with Apache, Nginx and/or IIS on Windows. The Windows related steps continue on from the work required to get the Certificate ready for Linux. In other words, regardless ofRead more
This article demonstrates how to use Fail2Ban to block IP addresses attempting to compromise a WordPress instance via the login process. In this walk-through, we’re using CentOS 7 and FirewallD. Just be aware that if you’re using a caching service like CloudFlare, you can’t use this method because you’ll blockRead more