Logging Monitoring

How to Set Up Remote Desktop Profile Management on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Remote Desktop Profile Management on Windows Server 2022

How to Set Up a Hyper-V Cluster on Windows Server 2022 A Hyper-V failover cluster on Windows Server 2022 provides high availability for virtual machines — if a host node fails, VMs automatically restart on surviving nodes within seconds. This guide walks through the complete process: from prerequisite installation through cluster creation, shared storage configuration, […]

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Ubuntu 18.04 — gss-ntlmssp — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — gss-ntlmssp — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 March 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7588-1 Related CVEs: CVE-2023-25567 CVE-2023-25565 CVE-2023-25564 CVE-2023-25563 Upstream summary: Phil Turnbull discovered that GSS NTLMSSP may perform out-of-bounds reads when decoding NTLM fields and target information. An attacker could possibly […]

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Ubuntu 22.04 — rust-regex — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — rust-regex — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 March 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5610-1 Related CVEs: CVE-2022-24713 Upstream summary: Addison Crump discovered that rust-regex did not properly limit the complexity of the regular expressions (regex) it parses. An attacker could possibly use this […]

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Oracle Linux 9 — galera and mariadb — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — galera and mariadb — vulnerability — patch and remediation guide (ELSA-2023-5684)

🟠 High   ⏱ 15–60 min  Last verified: 30 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5684 Related CVEs: CVE-2022-32081 CVE-2022-47015 CVE-2022-32089 CVE-2022-32082 CVE-2023-5157 CVE-2022-38791 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Oracle Linux 9 — containernetworking-plugins — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — containernetworking-plugins — security and stability fixes — required update (ELSA-2023-2367)

🟡 Medium   ⏱ 10–30 min  Last verified: 29 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2367 Related CVEs: CVE-2022-30629 CVE-2022-41717 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Common Problems 115407

yum Cannot Resolve Repository Hostnames

🟡 Medium   ⏱ 5–30 min  Last verified: 29 March 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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openSUSE Tumbleweed — python39-MechanicalSoup — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python39-MechanicalSoup — 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-2023-34457 Upstream summary: MechanicalSoup is a Python library for automating interaction with websites. Starting in version 0.2.0 and prior to version 1.3.0, a malicious web […]

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FreeBSD 12 — py38-cryptography — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py38-cryptography — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 March 2023 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-cryptography — includes a vulnerable copy of OpenSSL Related CVEs: CVE-2023-0286 CVE-2023-23931 Upstream summary: pyca/cryptography's wheels include a statically linked copy of OpenSSL. The versions of OpenSSL included in cryptography […]

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How to Use AIX Security Expert on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use AIX Security Expert 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 use aix security expert on ibm aix 7.1 on […]

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FreeBSD 13 — pixman — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — pixman — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 March 2023 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pixman — heap overflow Related CVEs: CVE-2022-44638 Upstream summary: Pixman reports: for release 0.42.2 Avoid integer overflow leading to out-of-bounds write Table of contents Symptom & Impact Environment & Reproduction […]

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