DNS

How to Install MySQL 8 on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Install MySQL 8 on FreeBSD 14

Introduction How to Install MySQL 8 on FreeBSD 14 is a core administration task for any FreeBSD 14 server operator. FreeBSD 14 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, […]

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How to Install and Configure BIND9 DNS Server on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install and Configure BIND9 DNS Server on Debian 12

Introduction How to Install and Configure BIND9 DNS Server 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 […]

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How to Configure Gitea Self-Hosted Git Service on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Gitea Self-Hosted Git Service on Debian 12

Introduction How to Configure Gitea Self-Hosted Git Service 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 […]

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Common Problems 120081

Debian 12 – mdadm RAID Degraded and Rebuild Stalled – Safe Recovery

🟠 High   ⏱ 5–30 min  Last verified: 9 December 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 & […]

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Common Problems 114513

RHEL 9 firewalld rich rules not applying as expected

🟡 Medium   ⏱ 5–30 min  Last verified: 8 December 2023 📖 ~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 & Cross-Refs References & Further […]

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FreeBSD 13 — bind — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — bind — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 December 2023 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: DNSSEC validators — denial-of-service/CPU exhaustion from KeyTrap and NSEC3 vulnerabilities Related CVEs: CVE-2003-0914 CVE-2005-0033 CVE-2005-0034 CVE-2006-4095 CVE-2006-4096 CVE-2009-0696 CVE-2011-1910 CVE-2011-2464  +12 more Upstream summary: Simon Kelley reports: If DNSSEC validation […]

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How to Configure PgBouncer Connection Pooling on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Configure PgBouncer Connection Pooling on FreeBSD 14

Introduction FreeBSD 14 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure pgbouncer connection pooling on freebsd 14 on FreeBSD 14 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]

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How to Install Redis on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Install Redis on FreeBSD 14

Introduction FreeBSD 14 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install redis on freebsd 14 on FreeBSD 14 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. This […]

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Common Problems 122482

pkg Repository Metadata Fails to Update

🟡 Medium   ⏱ 5–30 min  Last verified: 6 December 2023 Affected versions: FreeBSD 14 📖 ~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 & […]

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Alpine Linux 3.18 — dnsmasq — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — dnsmasq — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 2.90-r0 📖 ~4 min read  •  Source: Alpine secdb entry — dnsmasq 2.90-r0 Related CVEs: CVE-2023-50387 CVE-2023-50868 CVE-2023-28450 CVE-2022-0934 CVE-2021-3448 CVE-2020-25681 CVE-2020-25682 CVE-2020-25683  +12 more Upstream summary: Alpine main repository for vv3.18 ships dnsmasq 2.90-r0 which […]

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