Systemd Services

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

Oracle Linux 8 — bind — vulnerability — patch and remediation guide (ELSA-2021-0670)

🟠 High   ⏱ 15–60 min  Last verified: 8 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-0670 Related CVEs: CVE-2020-8625 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 Custom Metrics with Prometheus on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Custom Metrics with Prometheus on Oracle Linux 8

Introduction How to Configure Custom Metrics with Prometheus on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting […]

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

Oracle Linux 8 — openssh security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2019-3702)

🟡 Medium   ⏱ 10–30 min  Last verified: 7 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3702 Related CVEs: CVE-2019-6109 CVE-2019-6111 CVE-2018-20685 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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How to Set Up SSL VPN with OpenVPN on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Set Up SSL VPN with OpenVPN on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up ssl vpn with openvpn on ibm aix […]

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Alpine Linux edge — nrpe — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — nrpe — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 4.0.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — nrpe 4.0.0-r0 Related CVEs: CVE-2020-6581 CVE-2020-6582 Upstream summary: Alpine main repository for vedge ships nrpe 4.0.0-r0 which addresses CVE-2020-6581. Table of contents Symptom & Impact […]

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How to Configure Shared Ethernet Adapter on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure Shared Ethernet Adapter on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure shared ethernet adapter on ibm aix 7.2 on […]

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Gentoo Linux — dev-libs/icu — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-libs/icu — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202003-15 Related CVEs: CVE-2020-10531 Upstream summary: It was discovered that ICU’s UnicodeString::doAppend() function is vulnerable to an integer overflow. Please review the CVE identifiers referenced below for more details. Table of contents […]

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

Debian 10 — djangorestframework — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 January 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-25626 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 Deploy Applications with Helm on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Deploy Applications with Helm on Oracle Linux 8

Introduction This tutorial demonstrates how to Deploy Applications with Helm on Oracle Linux 8 on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system with the […]

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Amazon Linux 2 — kernel-livepatch-4.14.177-139.254 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.177-139.254 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2020-024 Related CVEs: CVE-2020-1749 CVE-2019-19319 Upstream summary: A flaw was found in the Linux kernel's implementation of some networking protocols in IPsec, such as VXLAN and GENEVE tunnels over IPv6. […]

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