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How to Configure Logical Volume Manager on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Configure Logical Volume Manager 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 configure logical volume manager on IBM AIX 7.3 with […]

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Common Problems 111709

Windows Server 2022 — RDP Fails with NLA Error After Certificate Renewal — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 October 2022 Affected versions: Windows Server 2022 📖 ~1 min read Table of contents Symptom & Impact Quick Checks Deep Diagnosis Primary Fix Verification Prevention & Hardening Symptom & Impact Remote Desktop sessions fail before credential prompt with NLA or authentication package errors. Administrative access is […]

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Debian 11 — plexus-archiver — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — plexus-archiver — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-1002200 Upstream summary: plexus-archiver before 3.6.0 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in an archive entry […]

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

Debian 11 — remctl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-0493 Upstream summary: remctld in remctl before 3.14, when an attacker is authorized to execute a command that uses the sudo option, has a use-after-free that leads to […]

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Debian 11 — python-fedora — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-fedora — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-1002150 Upstream summary: python-fedora 0.8.0 and lower is vulnerable to an open redirect resulting in loss of CSRF protection Table of contents Symptom & Impact Environment & Reproduction […]

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Debian 11 — google-oauth-client-java — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — google-oauth-client-java — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-7692 CVE-2021-22573 Upstream summary: PKCE support is not implemented in accordance with the RFC for OAuth 2.0 for Native Apps. Without the use of PKCE, the authorization code […]

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How to Install and Configure Fail2ban on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install and Configure Fail2ban on Debian 11

Introduction This guide explains how to Install and Configure Fail2ban on Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 11 install with the […]

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