Operations

How to Set Up iSCSI Storage on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up iSCSI Storage on Windows Server 2022

Introduction to BitLocker Drive Encryption on Windows Server 2022 BitLocker Drive Encryption is a full-volume encryption feature built into Windows Server 2022 that protects data at rest by encrypting entire volumes. When a server is decommissioned, stolen, or its drives are removed, BitLocker prevents unauthorized access to the data. Unlike file-level encryption, BitLocker encrypts everything […]

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Oracle Linux 9 — golang-github-cpuguy83-md2man security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — golang-github-cpuguy83-md2man security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-2592)

🟡 Medium   ⏱ 10–30 min  Last verified: 1 May 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2592 Related CVEs: CVE-2022-41715 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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Common Problems 118434

Ubuntu 16.04 LTS systemd service stuck in crash loop

🟠 High   ⏱ 5–30 min  Last verified: 1 May 2023 Affected versions: 16.04 📖 ~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 […]

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Amazon Linux 2023 — sysstat — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — sysstat — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2023-191 Related CVEs: CVE-2022-39377 CVE-2023-33204 Upstream summary: sysstat through 12.7.2 allows a multiplication integer overflow in check_overflow in common.c. NOTE: this issue exists because of an incomplete fix for CVE-2022-39377. […]

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How to Set Up a DevSecOps Pipeline on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up a DevSecOps Pipeline on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying set up a devsecops pipeline on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up a DevSecOps Pipeline on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the […]

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FreeBSD 12 — cassandra — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — cassandra — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 1 May 2023 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: cassandra3 — multiple vulnerabilities Related CVEs: CVE-2015-0225 CVE-2015-0886 CVE-2019-2684 CVE-2020-7238 CVE-2021-44521 CVE-2022-24823 CVE-2022-25857 CVE-2022-42003  +1 more Upstream summary: Cassandra tema reports: This release contains 6 security fixes including CVE-2022-24823: When […]

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Amazon Linux 2 — vorbis-tools — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — vorbis-tools — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2025-2983 Related CVEs: CVE-2023-43361 Upstream summary: Buffer Overflow vulnerability in Vorbis-tools v.1.4.2 allows a local attacker to execute arbitrary code and cause a denial of service during the conversion of […]

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FreeBSD 12 — py310-slixmpp — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py310-slixmpp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 May 2023 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Slixmpp — Lack of SSL Certificate hostname validation in XMLStream Related CVEs: CVE-2022-45197 Upstream summary: NIST reports: Slixmpp before 1.8.3 lacks SSL Certificate hostname validation in XMLStream, allowing an attacker […]

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Common Problems 114907

Subscription Manager Shows System Not Registered

🟡 Medium   ⏱ 5–30 min  Last verified: 1 May 2023 📖 ~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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