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237 posts
Pro Tip: Test Your Hardware Before Installing Ubuntu
Try Before You Install One of the most powerful features of the Ubuntu installer is the ability to run a full, live version of the desktop directly from the USB
Lock It Down: Creating a Basic Firewall with Iptables on Ubuntu
Control What Comes In and What Goes Out A firewall is your computer s first line of defense against unwanted network traffic. In Ubuntu System Administration G
How to Access Kubernetes Secrets: A Grafana Password Example
Securely Managing and Retrieving Sensitive Information Kubernetes uses a resource called a Secret to store sensitive data like passwords, API keys, and TLS ce
Putting It All Together: The Building Blocks of a CI/CD Pipeline
From Code to a Running Application, Automatically This final chapter of the Ubuntu System Administration Guide brings together several automation concepts to
Deploying Ubuntu Server in the Cloud: A Look at Hetzner and Google Cloud
Get Your Ubuntu Server Online in Minutes All major cloud providers offer Ubuntu Server as a standard option, making it incredibly easy to deploy a public-facing
Integrating OSSEC Security Alerts into Your Elastic Stack
Create a Unified Dashboard for Metrics, Logs, and Security Alerts To achieve a complete overview of your server s health and security, it s powerful to combine
Running Node.js Applications with Docker and MongoDB
Combine the Power of Containers and NoSQL The Ubuntu System Administration Guide offers an excellent example of modern application deployment by showing how t
Deploying a WordPress Blog on Kubernetes
From Docker Compose to a Kubernetes Deployment Learning Kubernetes means learning its declarative API. The Ubuntu System Administration Guide provides a hands
Creating Virtual Network Interfaces and VLANs in Ubuntu
Segment Your Network for Better Security and Organization Even if your server has only one physical network card, you can create multiple virtual interfaces on
Managing VMs with `virsh`: The Ultimate Command-Line Tool
Script and Automate Every Aspect of Your Virtual Machines For powerful, scriptable control over your KVM virtual machines, the Ubuntu System Administration Gui
Essential `kubectl` Commands for Managing Your Kubernetes Cluster
Your Command-Line Interface to Kubernetes `kubectl` is the primary tool you ll use to interact with your Kubernetes cluster. The Ubuntu System Administration G
Advanced Security with a Host-Based Intrusion Detection System (HIDS)
Detecting Unauthorized Changes on Your Server Beyond blocking brute-force attacks, you need a way to know if your server s files have been tampered with. The U