Systemd Services

How to Configure Docker Log Rotation on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Docker Log Rotation on Oracle Linux 8

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying configure docker log rotation on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Docker Log Rotation on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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How to Install Python 3.11 on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install Python 3.11 on FreeBSD 12

Introduction This guide explains how to Install Python 3.11 on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege […]

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Gentoo Linux — media-libs/gst-rtsp-server — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — media-libs/gst-rtsp-server — 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-202009-05 Related CVEs: CVE-2020-6095 Upstream summary: It was discovered that GStreamer RTSP Server did not properly handle authentication. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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How to Install and Configure Consul for Service Discovery on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Configure Consul for Service Discovery on RHEL 8

Consul is a distributed service mesh and service discovery tool from HashiCorp that enables services to find each other by name rather than by hard-coded IP addresses and ports. On RHEL 8, Consul is available through the official HashiCorp dnf repository and integrates with systemd for process management. This tutorial covers installing Consul in server […]

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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-2020-4431)

🟡 Medium   ⏱ 10–30 min  Last verified: 15 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4431 Related CVEs: CVE-2019-19767 CVE-2019-19319 CVE-2020-10774 CVE-2020-8649 CVE-2019-16231 CVE-2019-19524 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-pillow — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py35-pillow — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 15 October 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Pillow — Multiple vulnerabilities Related CVEs: CVE-2016-0740 CVE-2016-0775 CVE-2016-9189 CVE-2016-9190 CVE-2019-16865 CVE-2019-19911 CVE-2020-5310 CVE-2020-5311  +2 more Upstream summary: Pillow developers report: This release addresses several security problems, as well as […]

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Oracle Linux 8 — python39:3.9 and python39-devel:3.9 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python39:3.9 and python39-devel:3.9 — vulnerability — patch and remediation guide (ELSA-2022-7592)

🟡 Medium   ⏱ 10–30 min  Last verified: 15 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7592 Related CVEs: CVE-2015-20107 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 SELinux Targeted Policy on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure SELinux Targeted Policy on Oracle Linux 8

Introduction This tutorial demonstrates how to Configure SELinux Targeted Policy 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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Oracle Linux 8 — mysql:8.0 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — mysql:8.0 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-3087)

🟠 High   ⏱ 15–60 min  Last verified: 14 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3087 Related CVEs: CVE-2023-21875 CVE-2023-21917 CVE-2022-21604 CVE-2022-39400 CVE-2023-21863 CVE-2023-21871 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 Concourse CI on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Concourse CI on Oracle Linux 8

Introduction How to Configure Concourse CI 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 configuration is […]

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