Package Management

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

Oracle Linux 8 — olcne — vulnerability — patch and remediation guide (ELSA-2021-9028)

🟠 High   ⏱ 15–60 min  Last verified: 17 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9028 Related CVEs: CVE-2020-28914 CVE-2020-8554 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 — Presence of beignet Package Could Result in Dependency Issue During An Upgrade — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Presence of beignet Package Could Result in Dependency Issue During An Upgrade

🟠 High   ⏱ 5–30 min  Last verified: 16 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 31213935 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 […]

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Amazon Linux 2 — kernel-livepatch-4.14.165-133.209 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.165-133.209 — multiple vulnerabilities (5 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-2020-002 Related CVEs: CVE-2019-15918 CVE-2019-2009 CVE-2019-20096 CVE-2020-10942 CVE-2020-8648 Upstream summary: An issue was discovered in the Linux kernel before 5.0.10. SMB2_negotiate in fs/cifs/smb2pdu.c has an out-of-bounds read because data structures […]

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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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How to Configure Apache as a Reverse Proxy on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure Apache as a Reverse Proxy on SLES 12

Introduction This tutorial covers How to Configure Apache as a Reverse Proxy on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to […]

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