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A practical guide to testing and improving Linux network performance for a three-node Elasticsearch cluster fed by two Logstash servers, including NIC bonding, iperf3, ethtool, TuneD, PCP, nmon, and RHEL-specific tooling.

A practical enterprise-level comparison of Ubuntu and Red Hat Enterprise Linux in 2026, focused on the things that matter when moving from an Ubuntu estate to a Red Hat one: management tooling, package lifecycle, services, SELinux, Ansible, and automated installs.

Ubuntu 26.04 LTS is not trying to turn the desktop into a chatbot. It is making it easier to run AI tools locally, see what hardware is being used, and choose which models belong on your machine.

Part 8 of an 8-part series on implementing the Essential Eight on Ubuntu 26.04 LTS, covering regular backups with restic, snapshots, immutable storage, and Linux-first recovery design.

Part 7 of an 8-part series on implementing the Essential Eight on Ubuntu 26.04 LTS, covering browser and user application hardening with Firefox policies, snap confinement, AppArmor, and isolation controls.