Systemd Services

How to Monitor System Resources on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Monitor System Resources on Oracle Linux 8

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

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How to Configure Kerberos Authentication on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Kerberos Authentication on IBM AIX 7.1

Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure kerberos authentication on ibm aix 7.1 on IBM […]

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

Amazon Linux 2 — dcraw — 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 ALAS2-2025-3017 Related CVEs: CVE-2021-3624 Upstream summary: There is an integer overflow vulnerability in dcraw. When the victim runs dcraw with a maliciously crafted X3F input image, arbitrary code may be […]

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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-2022-9013)

🟠 High   ⏱ 15–60 min  Last verified: 7 March 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9013 Related CVEs: CVE-2021-4155 CVE-2021-0920 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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Arch Linux — jupyterlab — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — jupyterlab — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202108-10 Related CVEs: CVE-2021-32797 Upstream summary: Type: cross-site scripting. Status: Fixed. Affected: 3.1.2-1. Fixed in: 3.1.4-1. Group: AVG-2266. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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

Oracle Linux 8 — libgcrypt — vulnerability — patch and remediation guide (ELSA-2022-5311)

🟡 Medium   ⏱ 10–30 min  Last verified: 7 March 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-5311 Related CVEs: CVE-2021-40528 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 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2024-3138)

🟡 Medium   ⏱ 10–30 min  Last verified: 6 March 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-3138 Related CVEs: CVE-2023-42755 CVE-2023-52448 CVE-2024-25742 CVE-2024-25743 CVE-2023-52620 CVE-2023-24023 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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FreeBSD 12 — py35-yaml — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py35-yaml — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 March 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-yaml — FullLoader (still) exploitable for arbitrary command execution Related CVEs: CVE-2017-18342 CVE-2020-1747 Upstream summary: Riccardo Schirone (https://github.com/ret2libc) reports: In FullLoader python/object/new constructor, implemented by construct_python_object_apply, has support for setting […]

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Ubuntu 18.04 — shiro — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — shiro — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 March 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6352-1 Related CVEs: CVE-2020-13933 CVE-2020-17510 CVE-2020-11989 CVE-2020-1957 Upstream summary: It was discovered that Apache Shiro incorrectly handled certain HTTP requests. A remote attacker could possibly use this issue to bypass […]

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