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132 hands-on tutorials
Practical, deeply-tested guides on Linux, Kubernetes, and server infrastructure. Bring new knowledge to your team and lead the innovation.
Latest Tutorials
Getting Started with HashiCorp Consul for Service Discovery on Ubuntu
Learn how to install HashiCorp Consul on Ubuntu, run a Consul server agent, register services, and discover them over DNS and the HTTP API, with health checks and the built-in web UI.
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GOLANG
Build a CLI Tool in Go with Cobra and Viper on Ubuntu
Learn how to build a real command-line tool in Go using Cobra for commands and flags and Viper for configuration, the...
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MONITORING
How to Set Up Zabbix Server and Agent for Server Monitoring on Ubuntu
Learn how to install Zabbix server with a MySQL backend and an Nginx frontend on Ubuntu, deploy zabbix-agent2 on a re...
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ETCD
Backup and Restore an etcd Cluster on Ubuntu
Learn how to back up an etcd cluster on Ubuntu using etcdctl snapshot save, verify the snapshot, restore it into a ne...
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CONTAINERS
Set Up Docker Swarm Mode for Multi-Node Container Orchestration on Ubuntu
Learn how to initialize a Docker Swarm cluster on Ubuntu, join manager and worker nodes, deploy multi-service stacks ...
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NETWORKING
Setup CoreDNS as a Local DNS Server on Ubuntu
Learn how to install and configure CoreDNS on Ubuntu as a local DNS server, resolving internal hostnames for your pri...
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KUBERNETES
Install Linkerd Service Mesh on Kubernetes
Learn how to install the Linkerd service mesh on a bare-metal Kubernetes cluster, inject its sidecar proxy into a sam...