June 2023 - Page 41 of 75

Common Problems 120155

Debian 12 Locale Misconfiguration Causes Perl Warning

🟢 Low   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Debian 12 📖 ~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 — libtommath — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libtommath — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-36328 Upstream summary: Integer Overflow vulnerability in mp_grow in libtom libtommath before commit beba892bc0d4e4ded4d667ab1d2a94f4d75109a9, allows attackers to execute arbitrary code and cause a denial of service (DoS). Table […]

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How to Configure the System Timezone on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure the System Timezone on Debian 12

Introduction Deploying configure the system timezone on debian 12 on a Debian 12 Bookworm machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure Debian […]

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

Debian 11 — opusfile — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-47021 Upstream summary: A null pointer dereference issue was discovered in functions op_get_data and op_open1 in opusfile.c in xiph opusfile 0.9 thru 0.12 allows attackers to cause denial […]

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Ubuntu 14.04 — cyrus-sasl2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — cyrus-sasl2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5301-2 Related CVEs: CVE-2022-24407 CVE-2019-19906 Upstream summary: USN-5301-1 fixed a vulnerability in Cyrus. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: […]

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Oracle Linux 8 — xorg-x11-server-Xwayland — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — xorg-x11-server-Xwayland — vulnerability — patch and remediation guide (ELSA-2023-2805)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2805 Related CVEs: CVE-2022-4283 CVE-2022-46343 CVE-2022-3551 CVE-2022-46341 CVE-2023-0494 CVE-2022-3550 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 8 — libtiff — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libtiff — vulnerability — patch and remediation guide (ELSA-2023-0095)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-0095 Related CVEs: CVE-2022-2953 CVE-2022-2058 CVE-2022-2056 CVE-2022-2867 CVE-2022-2521 CVE-2022-2057 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Set Up Multi-Factor Authentication on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Multi-Factor Authentication on Windows Server 2022

What Is a Read-Only Domain Controller and When to Use It A Read-Only Domain Controller (RODC) is a special type of Active Directory domain controller introduced in Windows Server 2008 that holds a read-only, non-writable copy of the AD database. RODCs were designed primarily for deployment in branch offices, remote sites, and locations where physical […]

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Common Problems 111654

Windows Server 2022 — Gen2 VM creation fails because secure boot template mismatch — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 29 May 2026 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 […]

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Amazon Linux 2023 — snakeyaml — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — snakeyaml — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2023-375 Related CVEs: CVE-2022-38752 CVE-2022-41854 CVE-2022-38750 Upstream summary: Using snakeYAML to parse untrusted YAML files may be vulnerable to Denial of Service attacks (DOS). If the parser is running on […]

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