How to Configure OpenSSH Server on Windows Server 2025 OpenSSH has been a first-class optional feature of Windows Server since 2019, and on Windows Server 2025 it receives further polish that makes it a genuinely production-ready alternative to WinRM for remote administration. SSH offers a universally understood protocol, strong key-based authentication, encrypted channel multiplexing, and […]
How to Configure Just Enough Administration (JEA) on Windows Server 2025 Just Enough Administration (JEA) is a PowerShell-based security feature that implements the principle of least privilege for administrative tasks. Instead of granting users full administrator rights on a server, JEA creates a constrained PowerShell remoting endpoint that limits each user to exactly the commands, […]
Introduction This guide explains how to Register a GitHub Actions Self-Hosted Runner on FreeBSD 14 on FreeBSD 14. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum […]
Introduction FreeBSD 14 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install minio object storage on freebsd 14 on FreeBSD 14 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]
🟢 Low ⏱ 5–15 min Last verified: 19 November 2024 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6836-1 Related CVEs: CVE-2023-3758 Upstream summary: It was discovered that SSSD did not always correctly apply the GPO policy for authenticated users, contrary to expectations. This could result in improper […]
🟠 High ⏱ 5–30 min Last verified: 16 November 2024 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 & […]
Introduction This guide explains how to Mount NFS Shares on FreeBSD 14 on FreeBSD 14. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege […]
🟡 Medium ⏱ 5–30 min Last verified: 16 November 2024 Affected versions: Ubuntu 24.04 LTS 📖 ~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 […]
🟡 Medium ⏱ 5–30 min Last verified: 16 November 2024 📖 ~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 & Cross-Refs References & Further […]
rkhunter (Rootkit Hunter) scans Linux servers for rootkits, backdoors, and local exploits by checking for known malicious files, wrong file permissions, and hidden processes. This guide installs and configures rkhunter on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges Step 1 – Install […]
