iptables is the classic Linux firewall utility that provides fine-grained packet filtering and NAT. While Ubuntu uses UFW as a front-end by default, understanding iptables rules is essential for advanced network control on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges Basic understanding […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6815-1 Related CVEs: CVE-2024-5171 Upstream summary: Xiantong Hou discovered that AOM did not properly handle certain malformed media files. If an application using AOM opened a specially crafted file, a […]
How to Set Up Microsoft Entra (Azure AD) Hybrid Join on Windows Server 2025 Microsoft Entra Hybrid Join — formerly known as Hybrid Azure AD Join — registers your on-premises domain-joined Windows devices in both the local Active Directory and Microsoft Entra ID simultaneously. This dual registration is the foundation for modern identity features in […]
Django is a high-level Python web framework with a batteries-included philosophy. This guide deploys a Django application in production on Ubuntu 24.04 LTS using Gunicorn as the WSGI server and Nginx as the reverse proxy. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Python 3.12 and pip installed Nginx installed A […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2024-10779 Related CVEs: CVE-2024-11168 CVE-2024-9287 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read • Source: SUSE advisory RHSA-2024:6184 (see also SUSE bugzilla) Related CVEs: CVE-2024-40897 Upstream summary: Stack-based buffer overflow vulnerability exists in orcparse.c of ORC versions prior to 0.4.39. If a developer is tricked to process a specially […]
このガイドでは、NFS機能に必要なコンポーネントをUbuntu 20.04にインストールする方法、サーバーとクライアントそれぞれのNFSマウントの設定方法、NFSリモート共有をマウント・アンマウントする方法について説明します。
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2024-7851 Related CVEs: CVE-2024-43484 CVE-2024-43483 CVE-2024-43485 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]
How to Use PowerShell Remoting for Automated Server Management on Windows Server 2025 PowerShell Remoting, built on the WS-Management protocol and implemented via WinRM, is the foundation of at-scale Windows administration. On Windows Server 2025 it is enabled by default for domain-joined machines, making it immediately available for running commands across hundreds of servers in […]
Take your first steps with using the Flutter SDK, a framework to build native iOS and Android apps, with a “Hello World” application.
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