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236 posts
Introducing WireGuard: The Modern, Fast, and Simple VPN
A Lean and Mean Alternative to OpenVPN While OpenVPN is powerful, it can be complex to set up. The Ubuntu System Administration Guide also introduces WireGuar
Configuring Promtail to Collect Systemd Journal Logs
Capture Every Log on Your Ubuntu Server Modern Ubuntu systems use the `systemd` journal as the central place for all system and service logs. To capture this cr
Exposing Your Services: Kubernetes Ingress with Traefik and MetalLB
How to Get External Traffic into Your Cluster Once your application is running in the cluster, how do people access it from the outside? The Ubuntu System Admi
CI/CD Pipeline Step 1: Building and Pushing a Docker Image
Packaging Your Application for Deployment The Ubuntu System Administration Guide starts to build a basic CI/CD (Continuous Integration/Continuous Deployment)
Hosting Multiple Websites on One Server with Apache Virtual Hosts
Maximize Your Server s Potential You don t need a separate server for every website you want to host. The Ubuntu System Administration Guide explains how to u
Personalize Your i3 Environment: Custom Backgrounds, Lock Screens, and More
Make Your i3 Desktop Your Own A fresh i3 installation is minimal, but the Ubuntu System Administration Guide shows how easy it is to customize. You can make y
The Power of Snapshots: Save and Restore Your VM State in KVM
Never Fear Breaking Your System Again One of the most powerful features of virtualization, highlighted in the Ubuntu System Administration Guide , is the abili
Centralized Logging with the Elastic Stack (Filebeat, Elasticsearch, Kibana)
Search and Analyze Logs from All Your Servers in One Place Metrics tell you what s happening, but logs tell you why. For managing logs from multiple servers, th
A Step-by-Step Guide to Creating OpenVPN Certificates with Easy-RSA
The Foundation of Your VPN s Security The Ubuntu System Administration Guide breaks down the process of generating the necessary certificates for your OpenVPN
Secure Your Connection: Setting Up a VPN on Ubuntu
Create a Secure Tunnel for Your Internet Traffic A Virtual Private Network (VPN) is an essential tool for protecting your online privacy and securely accessing
Adding Centralized Logging with Loki and Promtail to Your Container Stack
Complete Your Observability Stack with Logs Metrics tell you what s happening, but logs tell you why. To complete the monitoring solution, the Ubuntu System Ad
Adding Persistent Storage to Kubernetes with OpenEBS Hostpath
Giving Your Stateful Applications a Place to Store Data By default, data inside a Pod is ephemeral; if the Pod is deleted, its data is lost. For stateful applic