Operations

Common Problems 111707

Windows Server 2022 — DHCP scope exhausted unexpectedly — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 8 June 2023 Affected versions: Windows Server 2022 📖 ~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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How to Configure Logrotate for Application Logs on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Logrotate for Application Logs on RHEL 9

Without a log rotation strategy, application log files will grow unbounded until they fill your disk and bring services down. Logrotate is the standard RHEL utility that automates log file rotation, compression, and cleanup on a scheduled basis with no daemon process required. It runs daily via a cron job and processes configuration rules you […]

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Alpine Linux 3.18 — freetype — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — freetype — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 2.9-r1 📖 ~4 min read  •  Source: Alpine secdb entry — freetype 2.9-r1 Related CVEs: CVE-2018-6942 CVE-2017-8105 CVE-2017-8287 CVE-2022-27404 CVE-2022-27405 CVE-2022-27406 CVE-2020-15999 Upstream summary: Alpine main repository for vv3.18 ships freetype 2.9-r1 which addresses CVE-2018-6942. Table […]

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NetBSD 9.4 — hwloc — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — hwloc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2022-47022 Upstream summary: pkgsrc audit-packages flagged hwloc<2.9.3 for vulnerability class 'denial-of-service'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-47022 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Oracle Linux 9 — gvisor-tap-vsock — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — gvisor-tap-vsock — security and stability fixes — required update (ELSA-2024-3830)

🟡 Medium   ⏱ 10–30 min  Last verified: 7 June 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-3830 Related CVEs: CVE-2023-45290 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 Configure Drone CI on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure Drone CI on Oracle Linux 9

Introduction Setting up configure drone ci on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure Drone CI on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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Amazon Linux 2023 — lynx — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — lynx — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2024-535 Related CVEs: CVE-2021-38165 Upstream summary: Lynx through 2.8.9 mishandles the userinfo subcomponent of a URI, which allows remote attackers to discover cleartext credentials because they may appear in SNI […]

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NetBSD 9.4 — p5-Apache-Gallery — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — p5-Apache-Gallery — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged p5-Apache-Gallery<0.7 for vulnerability class 'local-user-shell'. Reference: http://www.securityfocus.com/archive/1/336583/2003-09-06/2003-09-12/0 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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openSUSE Tumbleweed — prosody — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — prosody — multiple vulnerabilities (9 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-2022:0012-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-0217 CVE-2021-32917 CVE-2021-32918 CVE-2021-32919 CVE-2021-32920 CVE-2016-0756 CVE-2016-1231 CVE-2016-1232  +1 more Upstream summary: It was discovered that an internal Prosody library to load XML based on […]

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