Operations

Common Problems 111744

Windows Server 2022 — Hyper-V PowerShell cmdlets fail over remoting with Access Denied — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 20 December 2022 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
Gentoo Linux — xfce-base/exo — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — xfce-base/exo — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202409-09 Related CVEs: CVE-2022-32278 Upstream summary: A vulnerability has been discovered in Exo. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction Root […]

Read more
Debian 11 — ikiwiki — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ikiwiki — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 20 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-0165 CVE-2008-0169 CVE-2008-0808 CVE-2008-0809 CVE-2009-2944 CVE-2010-1195 CVE-2010-1673 CVE-2011-0428  +10 more Upstream summary: Cross-site request forgery (CSRF) vulnerability in Ikiwiki before 2.42 allows remote attackers to modify user preferences, […]

Read more
Debian 11 — rush — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rush — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-6889 Upstream summary: GNU Rush 1.7 does not properly drop privileges, which allows local users to read arbitrary files via the –lint option. Table of contents Symptom & […]

Read more
How to Configure Windows Server 2022 VXLAN — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Windows Server 2022 VXLAN

Introduction to Windows Defender Application Control on Windows Server 2022 Windows Defender Application Control (WDAC) is a code integrity policy feature built into Windows Server 2022 that allows administrators to control which applications, scripts, and drivers are permitted to run on a system. Unlike traditional blacklist-based antivirus approaches, WDAC operates on a deny-by-default whitelist model […]

Read more
Oracle Linux 8 — virt:ol and virt-devel:ol — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — virt:ol and virt-devel:ol — vulnerability — patch and remediation guide (ELSA-2022-0886)

🟢 Low   ⏱ 5–15 min  Last verified: 20 December 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-0886 Related CVEs: CVE-2022-0358 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 — keylime-agent — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — keylime-agent — multiple vulnerabilities (8 CVEs) — 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-2022:2658-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-1053 CVE-2021-43310 CVE-2022-31250 CVE-2022-23948 CVE-2022-23949 CVE-2022-23950 CVE-2022-23952 CVE-2022-23951 Upstream summary: Keylime does not enforce that the agent registrar data is the same when the tenant […]

Read more
How to Install PostgreSQL on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install PostgreSQL on RHEL 7

How to Install PostgreSQL on RHEL 7 PostgreSQL is a powerful, open-source object-relational database system with over 30 years of active development. It is widely regarded as the most standards-compliant open-source SQL database, offering advanced features such as full ACID compliance, support for JSON and JSONB data types, table inheritance, robust indexing mechanisms, and a […]

Read more
CHAT