Operations

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

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2022-9148)

  • June 29, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 29 June 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9148 Related CVEs: CVE-2022-0185 CVE-2021-3752 CVE-2021-3640 CVE-2021-44733 CVE-2022-0492 CVE-2021-4155 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Configure File System Quotas on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure File System Quotas on Debian 11

  • June 29, 2022
  • Linux
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Introduction Deploying configure file system quotas on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will […]

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Oracle Linux 8 — mariadb:10.3 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — mariadb:10.3 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-5259)

  • June 28, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 28 June 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5259 Related CVEs: CVE-2022-38791 CVE-2022-32084 CVE-2022-32091 CVE-2022-47015 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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Common Problems 120668

Debian 11 – Docker or containerd fails after cgroup v2 migration

  • June 28, 2022
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 28 June 2022 Affected versions: Debian 11 📖 ~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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AlmaLinux 8 — glusterfs — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — glusterfs — vulnerability — patch and remediation guide

  • June 28, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:4502 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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IBM AIX 7.2 — CVE-2022-35642 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2022-35642 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 28 June 2022 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2022-35642, IBM Support Bulletin CVE: CVE-2022-35642 NVD summary: "IBM InfoSphere Information Server 11.7 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus […]

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How to Use Podman on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Use Podman on IBM AIX 7.3

  • June 28, 2022
  • IBM AIX
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Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use podman on IBM AIX 7.3 with practical examples […]

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Common Problems 118541

Ubuntu 16.04 LTS – kernel panic after update prevents normal boot – Fix & Prevention

  • June 28, 2022
  • Linux
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🔴 Critical   ⏱ 5–30 min  Last verified: 28 June 2022 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 — rxvt-unicode — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — rxvt-unicode — vulnerability — patch and remediation guide

  • June 28, 2022
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 28 June 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rxvt-unicode is vulnerable to a remote code execution Related CVEs: CVE-2022-4170 Upstream summary: Marc Lehmann reports: The biggest issue is resolving CVE-2022-4170, which allows command execution inside urxvt from within […]

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

FreeBSD 13 — cgiwrap — vulnerability — patch and remediation guide

  • June 28, 2022
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 28 June 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: cgiwrap — XSS Vulnerability Related CVEs: CVE-2008-2852 Upstream summary: Secunia reports: A vulnerability has been reported in CGIWrap, which can be exploited by malicious people to conduct cross-site scripting attacks. […]

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