April 2023 - Page 59 of 69

How to Configure Software RAID on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure Software RAID on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying configure software raid on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Software RAID on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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Debian 11 — c-ares — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — c-ares — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-5180 CVE-2017-1000381 CVE-2020-14354 CVE-2020-22217 CVE-2020-8277 CVE-2021-3672 CVE-2022-4904 CVE-2023-31124  +4 more Upstream summary: Heap-based buffer overflow in the ares_create_query function in c-ares 1.x before 1.12.0 allows remote attackers to […]

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Common Problems 111830

Windows Server 2022 — FIDO2 security key registration blocked by tenant policy — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 30 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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Ubuntu 14.04 — klibc — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — klibc — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7959-1 Related CVEs: CVE-2016-9843 CVE-2016-9840 CVE-2016-9841 CVE-2018-25032 CVE-2022-37434 CVE-2021-31870 CVE-2021-31871 CVE-2021-31872  +1 more Upstream summary: It was discovered that zlib, vendored in klibc, did not properly handle integer arithmetic. An […]

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Ubuntu 16.04 — nodejs — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — nodejs — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6735-1 Related CVEs: CVE-2023-30588 CVE-2023-30589 CVE-2023-30590 CVE-2019-15604 CVE-2019-15605 CVE-2019-15606 CVE-2020-8174 CVE-2020-8265  +10 more Upstream summary: It was discovered that Node.js incorrectly handled the use of invalid public keys while creating […]

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Ubuntu 14.04 — zabbix — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — zabbix — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6751-1 Related CVEs: CVE-2022-35229 CVE-2022-35230 CVE-2014-3005 CVE-2016-10134 CVE-2016-10742 CVE-2016-4338 CVE-2017-2824 CVE-2017-2825  +3 more Upstream summary: It was discovered that Zabbix incorrectly handled input data in the discovery and graphs pages. […]

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Ubuntu 22.04 — traceroute — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — traceroute — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6478-1 Related CVEs: CVE-2023-46316 Upstream summary: It was discovered that Traceroute did not properly parse command line arguments. An attacker could possibly use this issue to execute arbitrary commands. Table […]

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How to Configure PHP-FPM with Nginx on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Install PHP 8.4 on Ubuntu 26.04

PHP 8.4 is the latest stable release of PHP, bringing property hooks, new array functions, improved JIT performance, and deprecation of outdated features. This guide installs PHP 8.4 on Ubuntu 26.04 LTS using both the default Ubuntu repositories and the popular Ondrej Sury PPA. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS […]

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How to Set Up DNSSEC on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up DNSSEC on Windows Server 2022

How to Configure SQL Server Authentication and Logins on Windows Server 2022 Securing access to SQL Server starts with understanding its authentication models and then carefully configuring logins, server roles, database users, and permissions. SQL Server 2022 on Windows Server 2022 supports two authentication modes, a rich role-based access control system, and built-in auditing capabilities. […]

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