Security Hardening

How to Register a GitHub Actions Self-Hosted Runner on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Register a GitHub Actions Self-Hosted Runner on RHEL 8

GitHub Actions self-hosted runners allow you to execute CI/CD workflows on your own hardware, giving you full control over the operating system, installed tooling, network access, and resource allocation. On RHEL 8 this is especially valuable for pipelines that must access internal systems, use licensed software, or run workloads that exceed GitHub’s hosted-runner resource limits. […]

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How to Upgrade from Debian 10 to Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Upgrade from Debian 10 to Debian 11

Introduction Deploying upgrade from debian 10 to debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure Debian […]

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How to Take a System Snapshot with Timeshift on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Take a System Snapshot with Timeshift on Debian 11

Introduction How to Take a System Snapshot with Timeshift on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from […]

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How to Configure File System Quotas on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure File System Quotas on Debian 11

Introduction Deploying configure file system quotas on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will […]

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How to Mount NFS Shares at Boot on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Mount NFS Shares at Boot on Debian 11

Introduction Deploying mount nfs shares at boot on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before […]

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How to Configure RAID with mdadm on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure RAID with mdadm on Debian 11

Introduction How to Configure RAID with mdadm on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 11. […]

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How to Set Up LVM Logical Volume Management on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up LVM Logical Volume Management on Debian 11

Introduction Deploying set up lvm logical volume management on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites […]

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How to Configure journald Log Persistence on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure journald Log Persistence on Debian 11

Introduction Deploying configure journald log persistence on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure Debian […]

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How to Set Up Bash Aliases and Environment Variables on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up Bash Aliases and Environment Variables on Debian 11

Introduction Deploying set up bash aliases and environment variables on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. […]

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How to Install and Use tmux on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install and Use tmux on Debian 11

Introduction This guide explains how to Install and Use tmux on Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 11 install with the […]

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