Logging Monitoring

Common Problems 111238

Windows Server 2025 — DNS conditional forwarder not resolving external partner domains on Server 2025 — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 10 August 2025 Affected versions: Windows Server 2025 📖 ~2 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
Windows Server 2022 — KB5071547 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5071547 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5071547 • MSRC update-guide entry Related CVEs: CVE-2025-62454 CVE-2025-62456 CVE-2025-62457 CVE-2025-62458 CVE-2025-62466 CVE-2025-62470 CVE-2025-62472 CVE-2025-62473  +12 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: […]

Read more
How to Set Up Mail Relay with Postfix on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Set Up Mail Relay with Postfix on RHEL 10

Introduction Setting up set up mail relay with postfix on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up Mail Relay with Postfix on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in […]

Read more
FreeBSD 13 — linux_base-rl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — linux_base-rl — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 August 2025 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: sqlite — integer overflow Related CVEs: CVE-2025-3277 CVE-2025-6965 Upstream summary: [email protected] reports: An integer overflow can be triggered in SQLites `concat_ws()` function. The resulting, truncated integer is then used to […]

Read more
Amazon Linux 2 — kernel-livepatch-5.10.233-224.894 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-5.10.233-224.894 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2025-223 Related CVEs: CVE-2025-21703 CVE-2025-21796 CVE-2025-21647 CVE-2025-21702 CVE-2024-56631 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: netem: Update sch->q.qlen before qdisc_tree_reduce_backlog() (CVE-2025-21703) Table of contents Symptom […]

Read more
Debian 12 — gdcm — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — gdcm — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 August 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3560 CVE-2009-3720 CVE-2015-8396 CVE-2015-8397 CVE-2024-22373 CVE-2024-22391 CVE-2024-25569 CVE-2025-11266  +5 more Upstream summary: The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, as used in the XML-Twig module […]

Read more
Common Problems 111111

Windows Server 2025 — Windows Server 2025 user profile corrupted showing ‘temporary profile’ — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 10 August 2025 Affected versions: Windows Server 2025 📖 ~2 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 Set Up Software RAID with mdadm on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Set Up the ELK Stack on Ubuntu 24.04

The ELK Stack (Elasticsearch, Logstash, Kibana) is the leading open-source log management and analytics platform. This guide installs ELK Stack 8.x on Ubuntu 24.04 LTS for centralised log collection and analysis. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Minimum 4 GB RAM (8 GB recommended) Java 21 installed A user […]

Read more
Oracle Linux 10 — ipa — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — ipa — vulnerability — patch and remediation guide (ELSA-2025-9190)

🟠 High   ⏱ 15–60 min  Last verified: 10 August 2025 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-9190 Related CVEs: CVE-2025-4404 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
CHAT