Introduction How to Set Up Dovecot IMAP Server 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 […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read • Source: pkgsrc audit-packages entry Related CVEs: CVE-2018-5244 Upstream summary: pkgsrc audit-packages flagged xenkernel410-[0-9]* for vulnerability class 'denial-of-service'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2018-5244 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]
Introduction How to Configure pf Firewall Rules 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 […]
Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying install docker compose on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Install Docker Compose on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]
Introduction How to Install cAdvisor for Container Monitoring 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 […]
Introduction This guide explains how to Set Up borgbackup 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 standard […]
🟠 High ⏱ 15–60 min Last verified: 10 January 2024 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2023-12207 Related CVEs: CVE-2023-23454 CVE-2023-23455 CVE-2022-45934 CVE-2022-47929 CVE-2022-41218 CVE-2022-45887 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying secure mysql on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Secure MySQL on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]
Introduction How to Configure dnsmasq 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, and […]
🟠 High ⏱ 15–60 min Last verified: 8 January 2024 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2023-3723 Related CVEs: CVE-2023-2235 CVE-2023-2194 CVE-2023-2124 CVE-2023-28466 CVE-2023-2002 CVE-2023-32233 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
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