Troubleshooting

Common Problems 115429

RHEL 7 SELinux denial preventing httpd outbound connection

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: RHEL 7 📖 ~2 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 12 — messagelib — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — messagelib — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: messagelib — HTML email can open browser window automatically Related CVEs: CVE-2018-19516 Upstream summary: Albert Astals Cid reports: messagelib is the library used by KMail to display emails. messagelib by […]

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How to Configure Horizontal Pod Autoscaling on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure Horizontal Pod Autoscaling on SLES 15

Introduction This tutorial covers How to Configure Horizontal Pod Autoscaling 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 […]

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FreeBSD 12 — xboing — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — xboing — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: multiple buffer overflows in xboing Related CVEs: CVE-2004-0149 Upstream summary: Steve Kemp reports (in a Debian bug submission): Due to improper bounds checking it is possible for a malicious user […]

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Ubuntu 14.04 — file — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — file — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4172-2 Related CVEs: CVE-2019-18218 CVE-2014-9620 CVE-2014-9621 CVE-2014-9653 CVE-2015-8865 CVE-2018-10360 CVE-2014-3710 CVE-2014-8116  +9 more Upstream summary: USN-4172-1 fixed a vulnerability in file. This update provides the corresponding update for Ubuntu 12.04 […]

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How to Install Memcached on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Memcached on RHEL 10

Introduction Setting up install memcached on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install Memcached on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to validate the result on […]

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

Oracle Linux 8 — rsync — vulnerability — patch and remediation guide (ELSA-2022-2201)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-2201 Related CVEs: CVE-2018-25032 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 a Container Registry on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Set Up a Container Registry on Windows Server 2016

How to Set Up Windows Server 2016 Container Registry A Container Registry is a centralized repository for storing, managing, and distributing container images. Rather than pulling images from the public Docker Hub or Microsoft Container Registry on every deployment, organizations can host a private registry to store proprietary images, control access, reduce external bandwidth consumption, […]

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

FreeBSD 12 — clamav-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: clamav — multiple vulnerabilities Related CVEs: CVE-2005-0133 CVE-2005-1922 CVE-2005-1923 CVE-2005-2919 CVE-2005-2920 CVE-2006-0162 CVE-2006-1614 CVE-2006-1615  +12 more Upstream summary: ClamAV project reports: ClamAV 0.98.7 is here! This release contains new scanning […]

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FreeBSD 12 — py33-django — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py33-django — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: django — multiple vulnerabilities Related CVEs: CVE-2014-0472 CVE-2014-0473 CVE-2014-0474 CVE-2014-0480 CVE-2014-0481 CVE-2014-0482 CVE-2014-0483 CVE-2015-0219  +12 more Upstream summary: Django team reports: These release addresses two security issues detailed below. We […]

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