OpenVPN is a VPN implementation that works on Linux, Windows, and Mac operating systems and can be utilized to create complex, encrypted networks between physically dispersed servers. In this guide, we will set up the OpenVPN Access Server on CentOS 6.5. This can be used to automatically create VPN credentials for users and allow you to manage users and settings through a web-based interface.
Introduction Setting up deploy a cakephp application on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Deploy a CakePHP Application on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to […]
How to Configure Network Adapter Teaming on Windows Server 2012 R2 Network Adapter Teaming, also known as NIC Teaming or Link Aggregation, is a feature built directly into Windows Server 2012 R2 that allows multiple network adapters to be grouped together to increase throughput and provide fault tolerance. Unlike previous Windows versions that required third-party […]
Introduction How to Configure Loki for Log Aggregation on Oracle Linux 8 on Oracle Linux 8 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 […]
🟡 Medium ⏱ 5–30 min Last verified: 1 May 2021 📖 ~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 […]
Loki is a horizontally scalable, highly available log aggregation system designed by Grafana Labs to index only metadata rather than full log content, making it extremely cost-efficient compared to Elasticsearch-based stacks. Promtail is the companion agent that tails local log files, attaches labels, and ships entries to Loki over HTTP. In this tutorial you will […]
🟡 Medium ⏱ 5–30 min Last verified: 30 April 2021 📖 ~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 […]
Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying install cockroachdb on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Install CockroachDB on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]
Introduction This guide explains how to Configure Persistent Volumes in Kubernetes on Debian 9 on Debian 9 Stretch. Debian Stretch 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 9 install with […]
Introduction This guide explains how to Secure the MariaDB Installation on Debian 9 on Debian 9 Stretch. Debian Stretch 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 9 install with the […]
