Operations

How to Set Up Azure Arc on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Azure Arc on Windows Server 2022

How to Configure IIS Logging and Request Tracing on Windows Server 2022 IIS on Windows Server 2022 provides robust logging and diagnostic capabilities that are critical for monitoring traffic, debugging application errors, and meeting compliance requirements. This guide covers every aspect of IIS logging — choosing the right log format, customizing fields, controlling file rotation, […]

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2022-9727)

🟠 High   ⏱ 15–60 min  Last verified: 24 November 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9727 Related CVEs: CVE-2022-21385 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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Oracle Linux 9 — openssl — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — openssl — vulnerability — patch and remediation guide (ELSA-2022-9751)

🟡 Medium   ⏱ 10–30 min  Last verified: 24 November 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9751 Related CVEs: CVE-2022-2068 CVE-2022-2097 CVE-2022-1473 CVE-2022-1292 CVE-2022-1343 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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Alpine Linux edge — firefox — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — firefox — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 99.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — firefox 99.0-r0 Related CVEs: CVE-2022-1097 CVE-2022-24713 CVE-2022-28281 CVE-2022-28282 CVE-2022-28283 CVE-2022-28284 CVE-2022-28285 CVE-2022-28286  +12 more Upstream summary: Alpine community repository for vedge ships firefox 99.0-r0 which […]

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IBM AIX 7.3 — CVE-1999-0057 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-1999-0057 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 23 November 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-1999-0057, IBM PSIRT advisory page CVE: CVE-1999-0057 NVD summary: Vacation program allows command execution by remote users through a sendmail command. References: www1.itrc.hp.com/service/cki/docDisplay.do?docId   www1.itrc.hp.com/service/cki/docDisplay.do?docId Table of contents Symptom & Impact Environment […]

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Common Problems 117135

Ubuntu 22.04 LTS – Cron jobs stop running due to invalid crontab entry – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 23 November 2022 Affected versions: Ubuntu 22.04 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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Debian 11 — foo2zjs — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — foo2zjs — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-2684 Upstream summary: foo2zjs before 20110722dfsg-3ubuntu1 as packaged in Ubuntu, 20110722dfsg-1 as packaged in Debian unstable, and 20090908dfsg-5.1+squeeze0 as packaged in Debian squeeze create temporary files insecurely, which […]

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Debian 11 — liquidsoap — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — liquidsoap — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-4965 Upstream summary: liguidsoap.py in liguidsoap 0.3.8.1+2 allows local users to overwrite arbitrary files via a symlink attack on (1) /tmp/liguidsoap.liq, (2) /tmp/lig.#####.log, and (3) /tmp/emission.ogg temporary files. […]

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Amazon Linux 2 — zstd — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — zstd — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2140 Related CVEs: CVE-2022-4899 Upstream summary: In zstd, supplying an empty string as an argument to either –output-dir-flat or –output-dir-mirror may cause a buffer overrun. (CVE-2022-4899) Table of contents Symptom […]

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CHAT