Introduction How to Configure Fail2ban on Oracle Linux 9 on Oracle Linux 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]
🟡 Medium ⏱ 5–30 min Last verified: 26 March 2023 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 […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2023:7150 Related CVEs: CVE-2023-35789 CVE-2019-18609 Upstream summary: The librabbitmq packages provide an Advanced Message Queuing Protocol (AMQP) client library that allows you to communicate with AMQP servers using protocol version 0-9-1. Security […]
🟡 Medium ⏱ 15–45 min Last verified: 26 March 2023 Affected versions: IBM AIX 7.3 Affected: 7.1 📖 ~4 min read • Source: NVD CVE-2016-6038, IBM Support Bulletin CVE: CVE-2016-6038 NVD summary: Directory traversal vulnerability in Eclipse Help in IBM Tivoli Lightweight Infrastructure (aka LWI), as used in AIX 5.3, 6.1, and 7.1, allows […]
🟡 Medium ⏱ 15–45 min Last verified: 26 March 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read • Source: NVD CVE-2007-4238, IBM Support Bulletin CVE: CVE-2007-4238 NVD summary: AIX 5.2 and 5.3 install pioinit with user and group ownership of bin, which allows local users with bin or possibly printq privileges to […]
How to Manage Services with PowerShell on Windows Server 2012 R2 Windows services are long-running executable programs that perform specific system or application functions. Every major server role — IIS, SQL Server, Active Directory, DNS, DHCP, and dozens of others — relies on one or more Windows services. Effective service management is fundamental to server […]
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read • Source: Microsoft KB5022836 • MSRC update-guide entry Related CVEs: CVE-2023-21689 CVE-2023-21690 CVE-2023-21692 CVE-2023-21684 CVE-2023-21701 CVE-2023-21797 CVE-2023-21798 CVE-2023-21799 +12 more Affected components: Windows Server 2022 Windows Server 2022 (Server Core installation) Table of contents Symptom […]
🟡 Medium ⏱ 15–45 min Last verified: 26 March 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read • Source: NVD CVE-2022-43875, IBM Support Bulletin CVE: CVE-2022-43875 NVD summary: IBM Financial Transaction Manager for SWIFT Services for Multiplatforms 3.2.4 could allow an authenticated user to lock additional RM authorizations, resulting in a denial […]
Introduction Deploying deploy an application to kubernetes on freebsd 12 on a FreeBSD 12 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the […]
🟢 Low ⏱ 5–15 min Last verified: 26 March 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2023-36177 Upstream summary: An issue was discovered in badaix Snapcast version 0.27.0, allows remote attackers to execute arbitrary code and gain sensitive information via crafted request in JSON-RPC-API. […]
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