Package Management

How to Configure Network Interfaces with nmcli on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Network Interfaces with nmcli on Oracle Linux 8

Introduction How to Configure Network Interfaces with nmcli 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 — zlib — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — zlib — vulnerability — patch and remediation guide (ELSA-2022-1642)

🟠 High   ⏱ 15–60 min  Last verified: 13 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1642 Related CVEs: CVE-2018-25032 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 — 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-2020-5884)

🟠 High   ⏱ 15–60 min  Last verified: 13 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-5884 Related CVEs: CVE-2020-25284 CVE-2020-14314 CVE-2020-14385 CVE-2020-14386 CVE-2020-14356 CVE-2020-25212 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Debian 9 — qtbase-opensource-src — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — qtbase-opensource-src — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 November 2020 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-15518 CVE-2020-0569 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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Oracle Linux 8 — .NET 6.0 security and bugfix update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET 6.0 security and bugfix update

🟠 High   ⏱ 15–60 min  Last verified: 12 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-0826 Related CVEs: CVE-2022-24464 CVE-2022-24512 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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FreeBSD 12 — py36-wagtail — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py36-wagtail — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 November 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Wagtail — XSS vulnerability Related CVEs: CVE-2020-11001 CVE-2020-11037 CVE-2020-15118 Upstream summary: GitHub Advisory Database: When a form page type is made available to Wagtail editors through the wagtail.contrib.forms app, and […]

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How to Set Up a Certificate Authority on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up a Certificate Authority on Oracle Linux 8

Introduction How to Set Up a Certificate Authority 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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SLES 12 — npm6 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — npm6 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 12 November 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:1568-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-8174 CVE-2019-15604 CVE-2019-15605 CVE-2019-15606 CVE-2019-16775 CVE-2019-16776 CVE-2019-16777 CVE-2020-7598  +2 more Upstream summary: napi_get_value_string_*() allows various kinds of memory corruption in node < 10.21.0, 12.18.0, and […]

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How to Set Up a CI/CD Pipeline with Drone CI on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Set Up a CI/CD Pipeline with Drone CI on FreeBSD 12

Introduction Deploying set up a ci/cd pipeline with drone ci on freebsd 12 on a FreeBSD 12 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays […]

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How to Configure Fluentd Log Collector on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Fluentd Log Collector on Debian 9

Introduction Deploying configure fluentd log collector on debian 9 on a Debian 9 Stretch 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 Ensure Debian […]

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