Introduction How to Write Ansible Playbooks for Debian 9 Systems is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 9. […]
PyFilter aims to filter out all of the illegitimate login requests to your server and block them if too many are sent. In this tutorial, you’ll install and configure PyFilter to block SSH requests. Then you’ll install PyFilter as a service, and optionally configure cross-server ban syncing, a feature that lets multiple servers share the list of banned IP addresses, and enable PyFilter to record location data about an IP address. Finally, you’ll explore how to un-ban IP addresses.
How to Install Apache HTTP Server on RHEL 7 Apache HTTP Server is one of the most widely deployed web servers in the world, powering millions of websites and applications. On Red Hat Enterprise Linux 7, Apache (referred to in the package system as httpd) is available directly from the default RHEL repositories, making installation […]
Introduction to Compliance Configuration on Windows Server 2019 Configuring Windows Server 2019 for compliance involves implementing technical controls that satisfy the requirements of regulatory frameworks such as PCI DSS, HIPAA, SOC 2, NIST 800-53, ISO 27001, CIS Benchmarks, and DISA STIGs. Compliance configuration encompasses access controls, encryption, auditing, patch management, system hardening, and documentation. Windows […]
🟡 Medium ⏱ 5–30 min Last verified: 6 July 2019 📖 ~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 […]
🟡 Medium ⏱ 5–30 min Last verified: 6 July 2019 📖 ~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 […]
Nginx access logs contain a wealth of information about who is visiting your site, which URLs are being requested, what errors users encounter, and where your traffic originates. Raw log files are difficult to interpret at a glance, but GoAccess transforms them into actionable, visually rich reports in seconds — either in the terminal for […]
Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure system initialization with /etc/inittab on ibm aix 7.2 […]
Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure pluggable authentication modules on ibm aix 7.2 on […]
How to Configure Audit Policy on Windows Server 2012 R2 A well-configured audit policy is the foundation of security monitoring and forensic investigation on Windows Server 2012 R2. Audit policies generate security event log entries when specific activities occur — such as logon attempts, privilege use, object access, or policy changes. Windows Server 2012 R2 […]
