Operations

Common Problems 112540

Windows Server 2019 VSS Snapshot Failures Due to Low Shadow Copy Storage – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 17 May 2022 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 […]

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Debian 11 — debian-lan-config — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — debian-lan-config — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-3467 Upstream summary: Debian-edu-config all versions < 2.11.10, a set of configuration files used for Debian Edu, and debian-lan-config < 0.26, configured too permissive ACLs for the Kerberos […]

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Debian 11 — usbview — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — usbview — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-23220 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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Ubuntu 20.04 — exo — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — exo — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 May 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6008-1 Related CVEs: CVE-2022-32278 Upstream summary: It was discovered that Exo did not properly sanitized desktop files. A remote attacker could possibly use this issue to to cause a crash […]

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How to Configure LVM (Logical Volume Manager) on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure LVM (Logical Volume Manager) on RHEL 9

Logical Volume Manager (LVM) is a flexible storage management layer built into the Linux kernel that lets you create, resize, and remove storage volumes without downtime. On RHEL 9, LVM is the default storage layout used during installation and is deeply integrated with the system tooling. Unlike partitions tied directly to physical disks, LVM abstracts […]

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openSUSE Tumbleweed — python36-impacket — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python36-impacket — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-31800 Upstream summary: Multiple path traversal vulnerabilities exist in smbserver.py in Impacket through 0.9.22. An attacker that connects to a running smbserver instance can list […]

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How to Use AIX Live Update on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Use AIX Live Update on IBM AIX 7.3

Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use aix live update on IBM AIX 7.3 with […]

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AlmaLinux 8 — OpenIPMI — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — OpenIPMI — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:4483 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 13 — ap24-mod_jk — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ap24-mod_jk — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 May 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mod_jk — information disclosure Related CVEs: CVE-2014-8111 Upstream summary: NIST reports: Apache Tomcat Connectors (mod_jk) before 1.2.41 ignores JkUnmount rules for subtrees of previous JkMount rules, which allows remote attackers […]

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