January 2021 - Page 23 of 69

openSUSE Tumbleweed — openvswitch — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — openvswitch — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:3096-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-36980 Upstream summary: Open vSwitch (aka openvswitch) 2.11.0 through 2.15.0 has a use-after-free in decode_NXAST_RAW_ENCAP (called from ofpact_decode and ofpacts_decode) during the decoding of a […]

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Oracle Linux 8 — rhnreg_ks Register Command Might Fail If python3-rhn-virtualization-host Package Is Installed — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — rhnreg_ks Register Command Might Fail If python3-rhn-virtualization-host Package Is Installed

🟠 High   ⏱ 5–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 30366521 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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Common Problems 114591

RHEL 9 Rsyslog Not Forwarding Logs to Central Server

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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 & Cross-Refs References & Further […]

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Common Problems 113007

Windows Server 2016 — WSUS SUSDB index bloat causes timeouts on console and client scans — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 04 June 2027 Affected versions: Windows Server 2016 📖 ~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 — pacemaker — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — pacemaker — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2010-2496 CVE-2018-16877 CVE-2020-25654 CVE-2015-1867 CVE-2016-7035 CVE-2016-7797 CVE-2019-3885 Upstream summary: stonith-ng in pacemaker and cluster-glue passed passwords as commandline parameters, making it possible for local attackers […]

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How to Configure IBM MQ Clustering on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure IBM MQ Clustering on IBM AIX 7.1

Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure ibm mq clustering on ibm aix 7.1 on […]

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How to Install MongoDB on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Install MongoDB on Oracle Linux 8

Introduction This tutorial demonstrates how to Install MongoDB 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 default AppStream […]

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Monitoring for Distributed and Microservices Deployments — step-by-step Devops tutorial on Progressive Robot

Monitoring for Distributed and Microservices Deployments

In this guide, we will take a look at how monitoring and metrics collection changes for highly distributed architectures and microservices. The growing popularity of cloud computing, big data clusters, and instance orchestration layers has forced operations professionals to rethink how to design monitoring at scale and tackle unique problems with better instrumentation. We will talk about what makes new models of deployment different and what strategies can be used to meet these new demands.

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