BIND9 (Berkeley Internet Name Domain version 9) is the most widely deployed DNS server software in the world and is fully supported on RHEL 9 through the bind package. Running your own authoritative DNS server lets you resolve hostnames for domains you control without relying on a third-party provider. This tutorial covers installing BIND9, writing […]
Introduction This guide explains how to Create Python Virtual Environments on Debian 12 on Debian 12 Bookworm. Debian Bookworm 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 12 install with the […]
🟠 High ⏱ 15–60 min Last verified: 5 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2003-1557 CVE-2004-0796 CVE-2005-1266 CVE-2005-3351 CVE-2006-2447 CVE-2007-0451 CVE-2007-2873 CVE-2017-15705 +7 more Upstream summary: Off-by-one buffer overflow in spamc of SpamAssassin 2.40 through 2.43, when using BSMTP mode ("-B"), allows […]
Introduction How to Enable Brotli Compression on Nginx on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm 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 […]
🟠 High ⏱ 5–30 min Last verified: 5 July 2023 Affected versions: Debian 12 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]
What Is Azure Arc for Servers Azure Arc for servers is a Microsoft service that allows you to connect on-premises, multi-cloud, and edge servers — including Windows Server 2022 machines — to Azure, making them visible and manageable through the Azure portal as if they were native Azure resources. Once connected, an Arc-enabled server gets […]
Introduction How to Set Up Checkmk on Oracle Linux 9 on Oracle Linux 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is […]
Introduction This guide explains how to Install and Configure Squid Proxy on Debian 12 on Debian 12 Bookworm. Debian Bookworm 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 12 install with […]
Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up configure iscsi target and initiator on debian 12 on Bookworm leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bookworm freeze. Follow each step carefully […]
🟠 High ⏱ 5–30 min Last verified: 3 July 2023 Affected versions: Debian 12 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]
