Tag: sysadmin

Apache .htaccess configuration snippets for Drupal including HTTPS redirects and canonical domain setup.

Using journalctl vacuum commands to manage systemd journal log size by time or disk space.

Varnish is great at serving pages to anonymous users at high speed, but it doesn't speak HTTPS so if you want to use Varnish and provide your site over HTTPS then you need to use something to do HTTPS and proxy the traffic to Varnish. In this blog post I will detail one way to do this by using Nginx to do HTTPS termination and proxy the requests to Varnish.

Shell commands to calculate Apache process memory usage and average memory consumption per process.

Using fwupd to check for and install firmware updates on Ubuntu Linux systems.

Using OpenSSL to generate certificate signing requests with subject alternative names for multi-domain certificates.

Overview of Faraday Security Platform for centralized vulnerability management across multiple security tools.

Concise guide to common varnishadm tasks including VCL management, backend control, and cache operations.

Compact cheat-sheet for day-to-day Bash scripting including variables, conditionals, loops, and functions.

A practical guide to hosting Drupal and LocalGov Drupal on Azure, comparing VMs, App Service, Container Apps and AKS, with key services and deployment considerations.

When installing Ubuntu 18.04 with full disk encryption there isn't an option to specify your own partition layout. This post details how to setup a separate home partition after installing Ubuntu.

Using mod_geoip to block traffic from specific countries in Apache 2.4 for security purposes.

Quick .htaccess snippet to disable PHP OPCache for a specific site during development.

Comparison of Ceph, OpenEBS, Linstor, Longhorn, and GlusterFS for database workloads on bare-metal Kubernetes.

Using ps_mem utility to accurately report core memory usage for programs on Linux servers.

Notes on implementing a single source of truth for infrastructure and site information management.

Remove home directories of previously deleted users.