Package Management

Ubuntu 16.04 — evolution-data-server — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — evolution-data-server — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 June 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4429-1 Related CVEs: CVE-2020-14928 CVE-2018-15587 CVE-2016-10727 Upstream summary: It was discovered that Evolution Data Server incorrectly handled STARTTLS when using SMTP and POP3. A remote attacker could possibly use this […]

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openSUSE Tumbleweed — ruby2.7-rubygem-nokogiri — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ruby2.7-rubygem-nokogiri — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:14697-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-41098 CVE-2019-5477 Upstream summary: Nokogiri is a Rubygem providing HTML, XML, SAX, and Reader parsers with XPath and CSS selector support. In Nokogiri v1.12.4 and […]

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How to Configure Jenkins Pipelines and Jenkinsfile on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Jenkins Pipelines and Jenkinsfile on RHEL 7

How to Configure Jenkins Pipelines and Jenkinsfile on RHEL 7 Jenkins Pipelines transform your CI/CD process from a series of fragile, click-configured jobs into version-controlled, repeatable automation defined entirely in code. A Jenkinsfile lives alongside your application source, meaning every change to the build process goes through the same review workflow as application code. This […]

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Oracle Linux 8 — gstreamer1-plugins-bad-free, gstreamer1-plugins-base, and gstreamer1-plugins-good — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — gstreamer1-plugins-bad-free, gstreamer1-plugins-base, and gstreamer1-plugins-good — vulnerability — patch and remediation g… (ELSA-2026-6750)

🟠 High   ⏱ 15–60 min  Last verified: 22 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-6750 Related CVEs: CVE-2026-2920 CVE-2026-2921 CVE-2026-2923 CVE-2026-3082 CVE-2026-3083 CVE-2026-3085 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 118412

Ubuntu 16.04 LTS – dpkg interrupted state blocks package operations – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 22 June 2021 Affected versions: Ubuntu 16.04 LTS 📖 ~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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FreeBSD 13 — py37-kerberos — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py37-kerberos — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-kerberos — DoS and MitM vulnerabilities Related CVEs: CVE-2015-3206 Upstream summary: macosforgebot reports: The checkPassword function in python-kerberos does not authenticate the KDC it attempts to communicate with, which allows […]

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How to Set Up Magento on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Set Up Magento on SLES 15

Introduction This tutorial covers How to Set Up Magento on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: zypper refresh […]

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How to Configure IBM MQ Clustering on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure IBM MQ Clustering on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure ibm mq clustering on ibm aix 7.2 on […]

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FreeBSD 13 — mpv — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mpv — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mpv — arbitrary code execution via crafted website Related CVEs: CVE-2018-6360 Upstream summary: mpv developers report: mpv through 0.28.0 allows remote attackers to execute arbitrary code via a crafted web […]

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