Infrastructure tutorials
Production-grade guides for Linux, servers, security and performance. Copy-paste commands, multi-distro support, written by engineers who run this in production.
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Linux
System administration, shell scripting, package management
Hosting & Servers
Web servers, reverse proxies, SSL, domains
Security
Firewalls, hardening, encryption, access control
Performance
Caching, optimization, profiling, load testing
Databases
MySQL, PostgreSQL, Redis, backups, replication
Networking
DNS, load balancing, VPN, TCP/IP, routing
DevOps
CI/CD, Docker, Kubernetes, automation
Monitoring
Logging, alerting, metrics, observability
Most viewed
Install and configure Ollama for local AI models on Linux servers
devopsInstall and configure GitLab CE with CI/CD runners and backup automation
devopsInstall and configure Ansible with automation best practices and security
devopsInstall and configure Kubernetes cluster with kubeadm and security hardening
devopsInstall and configure Nexus Repository Manager for private Docker and Maven repositories
devopsRecently published
Optimize Linux system performance with kernel parameters and system tuning
linuxConfigure Redis Sentinel for high availability and automatic failover
databasesImplement Ansible testing with Molecule and TestInfra for infrastructure automation validation
devopsConfigure ZooKeeper for ClickHouse replication with multi-node cluster setup
databasesConfigure Apache Airflow LDAP authentication and RBAC with Active Directory integration
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