Linux

How to Configure Telegraf Metrics Agent on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Telegraf Metrics Agent on Debian 12

Introduction Deploying configure telegraf metrics agent on debian 12 on a Debian 12 Bookworm 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 You will […]

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How to Configure dnsmasq on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure dnsmasq on Debian 12

Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up configure dnsmasq 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 and the resulting […]

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Debian 12 — notary — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — notary — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-9258 CVE-2015-9259 Upstream summary: In Docker Notary before 0.1, gotuf/signed/verify.go has a Signature Algorithm Not Matched to Key vulnerability. Because an attacker controls the field specifying the signature […]

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Gentoo Linux — sys-apps/systemd-utils — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sys-apps/systemd-utils — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202305-15 Related CVEs: CVE-2021-3997 CVE-2022-3821 Upstream summary: Multiple vulnerabilities have been discovered in systemd. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction […]

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Debian 12 — rtkit — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — rtkit — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-4326 Upstream summary: RealtimeKit (aka rtkit) 0.5 does not properly use D-Bus for communication with a polkit authority, which allows local users to bypass intended access restrictions by […]

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Debian 10 — mat2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — mat2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 July 2023 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-35410 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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Amazon Linux 2 — postfix — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — postfix — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2024-2420 Related CVEs: CVE-2023-51764 Upstream summary: Postfix through 3.8.4 allows SMTP smuggling unless configured with smtpd_data_restrictions=reject_unauth_pipelining and smtpd_discard_ehlo_keywords=chunking (or certain other options that exist in recent versions). Remote attackers can […]

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How to Install Buildah Container Image Builder on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install Buildah Container Image Builder on Debian 12

Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up install buildah container image builder 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 […]

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Debian 12 — mm — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — mm — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-0658 Upstream summary: OSSP mm library (libmm) before 1.2.0 allows the local Apache user to gain privileges via temporary files, possibly via a symbolic link attack. Table of […]

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2022-9828)

🟠 High   ⏱ 15–60 min  Last verified: 17 July 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9828 Related CVEs: CVE-2022-2586 CVE-2021-3669 CVE-2022-21385 CVE-2022-21546 CVE-2022-1280 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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