Operations

Common Problems 115072

RHEL 8 auditd Backlog Limit Exceeded and Events Lost

🟠 High   ⏱ 5–30 min  Last verified: 7 March 2023 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
How to Install PostgreSQL on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Install PostgreSQL on Oracle Linux 9

Introduction How to Install PostgreSQL on Oracle Linux 9 on Oracle Linux 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]

Read more
Common Problems 111734

Windows Server 2022 — Hyper-V checkpoint merge remains stuck after abrupt host restart — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 7 March 2023 Affected versions: Windows Server 2022 📖 ~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 logrotate on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure logrotate on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure logrotate on ibm aix 7.2 on IBM AIX […]

Read more
FreeBSD 12 — libvpx — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — libvpx — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 March 2023 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: electron{22,24,25} — Heap buffer overflow in vp8 encoding in libvpx Related CVEs: CVE-2014-1578 CVE-2015-4485 CVE-2015-4486 CVE-2015-4506 CVE-2023-5217 Upstream summary: Electron developers report: This update fixes the following vulnerability: Security: backported […]

Read more
Oracle Linux 8 — python-dns — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python-dns — vulnerability — patch and remediation guide (ELSA-2024-3275)

🟡 Medium   ⏱ 10–30 min  Last verified: 7 March 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-3275 Related CVEs: CVE-2023-29483 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 — apache-sshd — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — apache-sshd — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:0224-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-45047 Upstream summary: Class org.apache.sshd.server.keyprovider.SimpleGeneratorHostKeyProvider in Apache MINA SSHD <= 2.9.1 uses Java deserialization to load a serialized java.security.PrivateKey. The class is one of several […]

Read more
Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2022-9479)

🟠 High   ⏱ 15–60 min  Last verified: 7 March 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9479 Related CVEs: CVE-2022-23040 CVE-2022-23042 CVE-2022-1048 CVE-2021-4197 CVE-2022-1353 CVE-2022-23039 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

Read more
How to Use Microsoft Graph API with PowerShell on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Use Microsoft Graph API with PowerShell on Windows Server 2022

Introduction to Microsoft Graph API Microsoft Graph API is the unified REST endpoint for accessing data across Microsoft 365 services including Azure Active Directory, Exchange Online, SharePoint, Teams, OneDrive, and Intune. Rather than managing multiple service-specific APIs, Graph consolidates them under a single base URL: https://graph.microsoft.com. On Windows Server 2022, PowerShell combined with the Microsoft.Graph […]

Read more
Oracle Linux 9 — runc — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — runc — vulnerability — patch and remediation guide (ELSA-2023-6380)

🟡 Medium   ⏱ 10–30 min  Last verified: 7 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6380 Related CVEs: CVE-2021-43784 CVE-2023-27561 CVE-2023-28642 CVE-2023-25809 CVE-2022-41724 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

Read more
CHAT