Troubleshooting

How to Set Up Victoriametrics on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up Victoriametrics on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up set up victoriametrics 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 […]

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Ubuntu 14.04 — bash — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — bash — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 April 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5380-1 Related CVEs: CVE-2019-18276 CVE-2019-9924 CVE-2016-0634 CVE-2016-7543 CVE-2016-9401 CVE-2017-5932 CVE-2014-6277 CVE-2014-6278  +4 more Upstream summary: It was discovered that Bash did not properly drop privileges when the binary had the […]

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Oracle Linux 8 — grub2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — grub2 — vulnerability — patch and remediation guide (ELSA-2020-0335)

🟡 Medium   ⏱ 10–30 min  Last verified: 19 April 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-0335 Related CVEs: CVE-2019-14865 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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How to Set Up Privileged Access Management on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Privileged Access Management on Windows Server 2019

Introduction to Privileged Access Management Privileged Access Management (PAM) is a security practice and set of technologies designed to protect privileged accounts and limit the attack surface exposed by administrative access. On Windows Server 2019, PAM can be implemented using Microsoft Identity Manager (MIM) PAM, which is the enterprise-grade solution, or through a layered approach […]

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

FreeBSD 12 — ru-gaim — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libgadu — multiple vulnerabilities Related CVEs: CVE-2004-0005 CVE-2004-0006 CVE-2004-0007 CVE-2004-0008 CVE-2004-0500 CVE-2004-0754 CVE-2004-0784 CVE-2004-0785  +12 more Upstream summary: Wojtek Kaniewski reports: Multiple vulnerabilities have been found in libgadu, a library […]

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

FreeBSD 12 — mozilla-embedded — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: firefox & mozilla — multiple vulnerabilities Related CVEs: CVE-2004-0762 CVE-2004-0765 CVE-2004-0904 CVE-2004-0905 CVE-2004-0908 CVE-2004-0909 CVE-2004-1156 CVE-2004-1157  +12 more Upstream summary: A Mozilla Foundation Security Advisory reports of multiple issues: Heap […]

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How to Install Deno on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Deno on RHEL 7

How to Install Deno on RHEL 7 Deno is a modern, secure runtime for JavaScript and TypeScript built on V8 and Rust. Created by Ryan Dahl — the original author of Node.js — Deno was designed to address architectural decisions in Node.js that became pain points over time: no built-in TypeScript support, a complex and […]

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Common Problems 121678

Python SSL Module Errors After OpenSSL Library Changes

🟠 High   ⏱ 5–30 min  Last verified: 18 April 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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Alpine Linux edge — oniguruma — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — oniguruma — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 6.9.5-r2 📖 ~4 min read  •  Source: Alpine secdb entry — oniguruma 6.9.5-r2 Related CVEs: CVE-2020-26159 Upstream summary: Alpine main repository for vedge ships oniguruma 6.9.5-r2 which addresses CVE-2020-26159. Table of contents Symptom & Impact Environment […]

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How to Manage systemd Services on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Manage systemd Services on Debian 9

Introduction Deploying manage systemd services on debian 9 on a Debian 9 Stretch 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 Ensure Debian 9 […]

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