February 2021 - Page 56 of 62

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 (ELSA-2022-6539)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6539 Related CVEs: CVE-2022-38013 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
openSUSE Tumbleweed — qore — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — qore — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2020-13615 Upstream summary: lib/QoreSocket.cpp in Qore before 0.9.4.2 lacks hostname verification for X.509 certificates. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

Read more
Common Problems 115420

systemctl Unit Fails Due to Dependency Ordering

🟡 Medium   ⏱ 5–30 min  Last verified: 19 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 […]

Read more
Common Problems 115042

RHEL 8 DNF Module Stream Conflict During Stack Upgrade

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: 8.6 8.7 8.8 8.9 8.10 📖 ~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 […]

Read more
FreeBSD 12 — py39-httpx — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py39-httpx — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-httpx — input validation vulnerability Related CVEs: CVE-2021-41945 Upstream summary: lebr0nli reports: Encode OSS httpx <=1.0.0.beta0 is affected by improper input validation in `httpx.URL`, `httpx.Client` and some functions using `httpx.URL.copy_with`. […]

Read more
Common Problems 112491

Windows Server 2019 – Windows container fails to start after host cumulative update – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 18 May 2026 Affected versions: Windows Server 2019 📖 ~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 […]

Read more
How to Configure SLES 15 for SAP Workloads — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure SLES 15 for SAP Workloads

Introduction This tutorial covers How to Configure SLES 15 for SAP Workloads 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 — Configure SLES for SAP zypper install -y patterns-sap-hana Step […]

Read more
Understanding Tuples in Python 3 — step-by-step Python tutorial on Progressive Robot

Understanding Tuples in Python 3

A tuple is a data structure that consists of an immutable ordered sequence of elements. Because tuples are immutable, their values cannot be modified. In this tutorial, we will cover some basic processes, including indexing, slicing and concatenating tuples, and the built-in functions that are available when working with these data structures.

Read more
SLES 12 — file-roller — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — file-roller — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:0032-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-36314 CVE-2019-16680 CVE-2020-11736 Upstream summary: fr-archive-libarchive.c in GNOME file-roller through 3.38.0, as used by GNOME Shell and other software, allows Directory Traversal during extraction because […]

Read more
CHAT