Package Management

Common Problems 125043

Oracle Linux 8 – Common Problem 008 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 17 September 2020 Affected versions: Oracle Linux 8 📖 ~3 min read 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 Prevention & Hardening Related Errors […]

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Common Problems 119036

Ubuntu 14.04 LTS – certificate verification fails for outbound HTTPS – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 17 September 2020 Affected versions: Ubuntu 14.04 LTS 📖 ~1 min read 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 Prevention & Hardening Related Errors […]

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openSUSE Tumbleweed — iscsiuio — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — iscsiuio — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2021:233-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-13988 CVE-2020-17437 Upstream summary: An issue was discovered in Contiki through 3.0. An Integer Overflow exists in the uIP TCP/IP Stack component when parsing TCP […]

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How to Configure YaST on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure YaST on SLES 15

Introduction This tutorial covers How to Configure YaST on SLES 15 on SLES 15. SLES 15 (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. Step 1 — Launch YaST yast Step 2 — Use YaST from the […]

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How to Configure OpenTelemetry Collector on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure OpenTelemetry Collector on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up configure opentelemetry collector on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and the […]

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Ubuntu 18.04 — postsrsd — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — postsrsd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 September 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4730-1 Related CVEs: CVE-2020-35573 Upstream summary: It was discovered that PostSRSd mishandled certain input. A remote attacker could use this vulnerability to cause a denial of service via a long […]

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Gentoo Linux — net-analyzer/ossec-hids — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-analyzer/ossec-hids — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202007-33 Related CVEs: CVE-2020-8442 CVE-2020-8443 CVE-2020-8444 CVE-2020-8445 CVE-2020-8446 CVE-2020-8447 CVE-2020-8448 Upstream summary: Multiple vulnerabilities have been discovered in OSSEC. Please review the CVE identifiers referenced below for details. Table of contents Symptom […]

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

Oracle Linux 8 — libpcap security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-4547)

🟢 Low   ⏱ 5–15 min  Last verified: 16 September 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4547 Related CVEs: CVE-2019-15165 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 Set Up ClamAV Antivirus on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Set Up ClamAV Antivirus on SLES 15

Introduction This tutorial covers How to Set Up ClamAV Antivirus on SLES 15 on SLES 15. SLES 15 (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 15 system is up to date: zypper […]

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