Kernel Drivers

How to Apply CIS Benchmark Hardening to Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Apply CIS Benchmark Hardening to Debian 11

Introduction This guide explains how to Apply CIS Benchmark Hardening to 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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How to Restrict Kernel Module Loading on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Restrict Kernel Module Loading on Debian 11

Introduction Deploying restrict kernel module loading 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 you […]

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How to Configure DNSSEC Validation on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure DNSSEC Validation on Debian 11

Introduction How to Configure DNSSEC Validation 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. This […]

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How to Set Up Yubikey Authentication on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up Yubikey Authentication on Debian 11

Introduction How to Set Up Yubikey Authentication 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 Configure rkhunter Rootkit Scanner on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure rkhunter Rootkit Scanner on Debian 11

Introduction How to Configure rkhunter Rootkit Scanner 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 Enable ClamAV Antivirus on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Enable ClamAV Antivirus on Debian 11

Introduction How to Enable ClamAV Antivirus 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. This […]

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How to Configure AppArmor for Nginx on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure AppArmor for Nginx on Debian 11

Introduction This guide explains how to Configure AppArmor for Nginx 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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How to Set Up a Certificate Authority with OpenSSL on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up a Certificate Authority with OpenSSL on Debian 11

Introduction How to Set Up a Certificate Authority with OpenSSL 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 […]

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How to Configure GPG Key Management on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure GPG Key Management on Debian 11

Introduction This guide explains how to Configure GPG Key Management 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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How to Encrypt Disk Partitions with LUKS on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Encrypt Disk Partitions with LUKS on Debian 11

Introduction How to Encrypt Disk Partitions with LUKS 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 […]

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