Package Management

FreeBSD 12 — ruby21-gems — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ruby21-gems — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 June 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rubygems — request hijacking vulnerability Related CVEs: CVE-2015-3900 Upstream summary: Jonathan Claudius reports: RubyGems provides the ability of a domain to direct clients to a separate host that is used […]

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How to Install MariaDB on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install MariaDB on Debian 10 (DEBIAN-10-2)

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up install mariadb on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and the resulting […]

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Debian 9 — libxmlrpc3-java — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — libxmlrpc3-java — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 June 2020 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-17570 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Gentoo Linux — x11-misc/sddm — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — x11-misc/sddm — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202402-02 Related CVEs: CVE-2020-28049 Upstream summary: A vulnerability has been discovered in SDDM. Please review the CVE identifier referenced below for details. Table of contents Symptom & Impact Environment & Reproduction Root […]

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How to Configure Samba File Sharing on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Samba File Sharing on RHEL 8

Samba implements the SMB/CIFS protocol on Linux, enabling RHEL 8 servers to share files with Windows, macOS, and other Linux clients over a local network. Unlike NFS, which is Linux-native, Samba is specifically designed for cross-platform interoperability, making it the go-to choice in mixed-OS environments. This tutorial covers installing Samba, creating a shared directory with […]

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Common Problems 121020

Debian 10 – resolv.conf Keeps Reverting and DNS Fails – Resolver Control

🟠 High   ⏱ 5–30 min  Last verified: 6 June 2020 Affected versions: Debian 10 📖 ~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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How to Configure RAID 10 with mdadm on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure RAID 10 with mdadm on Debian 10

Introduction This guide explains how to Configure RAID 10 with mdadm on Debian 10 on Debian 10 Buster. Debian Buster 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 10 install with […]

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openSUSE Tumbleweed — tnftp — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — tnftp — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2014-8517 Upstream summary: The fetch_url function in usr.bin/ftp/fetch.c in tnftp, as used in NetBSD 5.1 through 5.1.4, 5.2 through 5.2.2, 6.0 through 6.0.6, and 6.1 […]

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FreeBSD 12 — ioquake3-devel — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ioquake3-devel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 June 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: id Tech 3 — remote code execution vulnerability Related CVEs: CVE-2017-6903 Upstream summary: The content auto-download of id Tech 3 can be used to deliver maliciously crafted content, that triggers […]

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FreeBSD 12 — php55-zip — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — php55-zip — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 6 June 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2015-8874 CVE-2015-8879 CVE-2016-5385 CVE-2016-5399 CVE-2016-5766 CVE-2016-5767 CVE-2016-5768 CVE-2016-5769  +12 more Upstream summary: PHP reports: Fixed bug #69975 (PHP segfaults when accessing nvarchar(max) defined columns) […]

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