Logging Monitoring

Ubuntu 18.04 — file-roller — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — file-roller — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 February 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4927-1 Related CVEs: CVE-2020-36314 CVE-2020-11736 CVE-2019-16680 Upstream summary: It was discovered that File Roller incorrectly handled symlinks. An attacker could possibly use this issue to expose sensitive information. Table of […]

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How to Deploy a Node.js Application with PM2 on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Deploy a Node.js Application with PM2 on RHEL 7

How to Deploy a Node.js Application with PM2 on RHEL 7 PM2 is a battle-tested production process manager for Node.js applications. It keeps your application running after a crash by restarting it automatically, provides integrated logging, enables zero-downtime reloads, supports cluster mode to utilize all CPU cores, and integrates with systemd for startup on boot. […]

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FreeBSD 12 — py34-diffoscope — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py34-diffoscope — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: diffoscope — arbitrary file write Related CVEs: CVE-2017-0359 Upstream summary: Ximin Luo reports: [v67] introduced a security hole where diffoscope may write to arbitrary locations on disk depending on the […]

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Common Problems 121481

Debian 9 – dpkg Interrupted State Blocks Package Operations – Full Recovery

🔴 Critical   ⏱ 5–30 min  Last verified: 5 February 2020 Affected versions: Debian 9 📖 ~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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openSUSE Tumbleweed — python38-autobahn — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python38-autobahn — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2021:0132-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-35678 Upstream summary: Autobahn|Python before 20.12.3 allows redirect header injection. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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FreeBSD 12 — mumble — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mumble — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mumble — multiple vulnerabilities Related CVEs: CVE-2014-0044 CVE-2014-0045 Upstream summary: Mumble reports: SVG images with local file references could trigger client DoS The Mumble client did not properly HTML-escape some […]

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Common Problems 118114

Ubuntu 18.04 intermittent DNS resolution failures

🟡 Medium   ⏱ 5–30 min  Last verified: 5 February 2020 📖 ~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 12 — websvn — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — websvn — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: websvn — reflected cross-site scripting Related CVEs: CVE-2008-5918 CVE-2008-5919 CVE-2009-0240 CVE-2013-6892 CVE-2016-2511 Upstream summary: Sebastien Delafond reports: Jakub Palaczynski discovered that websvn, a web viewer for Subversion repositories, does not […]

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How to Configure Docker Resource Limits on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure Docker Resource Limits on Debian 10

Introduction Deploying configure docker resource limits on debian 10 on a Debian 10 Buster 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 Before you […]

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Debian 9 — dosbox — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — dosbox — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 February 2020 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-7165 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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