Operations

Oracle Linux 8 — glibc security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — glibc security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-4358)

🟡 Medium   ⏱ 10–30 min  Last verified: 24 May 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4358 Related CVEs: CVE-2021-35942 CVE-2021-27645 CVE-2021-33574 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Common Problems 118527

Ubuntu 16.04 LTS PHP 7.0-FPM not running

🟡 Medium   ⏱ 5–30 min  Last verified: 24 May 2021 📖 ~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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AlmaLinux 8 — spacewalk-client-cert — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — spacewalk-client-cert — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2019:3355 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 12 — rubygem-kramdown — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — rubygem-kramdown — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 May 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: kramdown — template option vulnerability Related CVEs: CVE-2020-14001 Upstream summary: kramdown news: CVE-2020-14001 is addressed to avoid problems when using the {::options /} extension together with the 'template' option. Table […]

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How to Automate Oracle Linux 8 with Ansible — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Automate Oracle Linux 8 with Ansible

Introduction Setting up automate oracle linux 8 with ansible on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Automate Oracle Linux 8 with Ansible, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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FreeBSD 13 — py37-pysaml — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py37-pysaml — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pysaml2 — multiple vulnerabilities Related CVEs: CVE-2021-21238 CVE-2021-21239 Upstream summary: pysaml2 Releases: Fix processing of invalid SAML XML documents – CVE-2021-21238 Fix unspecified xmlsec1 key-type preference – CVE-2021-21239 Table of […]

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Common Problems 112610

Windows Server 2019 PerfMon Shows High Split IO per Sec on Misaligned Virtual Disks – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 24 May 2021 Affected versions: Windows Server 2019 📖 ~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 — openldap-sasl-server — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — openldap-sasl-server — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openldap — slapd acl selfwrite Security Issue Related CVEs: CVE-2006-4600 Upstream summary: Howard Chu reports: An ACL of the form 'access to dn.subtree="ou=groups, dc=example,dc=com" attr=member by * selfwrite' is intended […]

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AlmaLinux 8 — libwacom — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libwacom — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:1804 Related CVEs: CVE-2020-14344 CVE-2020-14345 CVE-2020-14346 CVE-2020-14347 CVE-2020-14360 CVE-2020-14361 CVE-2020-14362 CVE-2020-14363  +1 more Upstream summary: X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that […]

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

Debian 10 — graphviz — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 May 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-18032 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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