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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49 guides

Linux

System administration, shell scripting, package management

66 guides

Hosting & Servers

Web servers, reverse proxies, SSL, domains

147 guides

Security

Firewalls, hardening, encryption, access control

45 guides

Performance

Caching, optimization, profiling, load testing

99 guides

Databases

MySQL, PostgreSQL, Redis, backups, replication

62 guides

Networking

DNS, load balancing, VPN, TCP/IP, routing

161 guides

DevOps

CI/CD, Docker, Kubernetes, automation

174 guides

Monitoring

Logging, alerting, metrics, observability

Most viewed

Install and configure Deno for web development with systemd and reverse proxy

hosting

10,961

Fix apt update E: Repository no longer has a Release file

linux

8,073

Install and configure Uptime Kuma for website monitoring with SSL and email alerts

monitoring

6,862

Install and configure Caddy web server with automatic HTTPS and reverse proxy

hosting

6,035

Install and configure TimescaleDB with PostgreSQL for high-performance time-series data

databases

5,504

Recently published

Find and kill processes using a specific port on Linux

linux

3 days ago

Fix PostgreSQL FATAL sorry, too many clients already

linux

1 week ago

Configure Istio multi-cluster disaster recovery and automated failover

devops

2 weeks ago

Set up automated MariaDB Galera cluster backups with compression

databases

4 weeks ago

Configure MariaDB ColumnStore for high-performance analytics workloads

databases

1 month ago

"redis" × Clear all

networking Intermediate

Install and configure HAProxy for high availability load balancing

Set up HAProxy with SSL termination, keepalived for high availability, and comprehensive health checks to distribute traffic across multiple backend servers with automatic failover.

45 min 6 distros 2,599 views

databases Intermediate

Install and configure Redis 7 with clustering and security hardening

Set up Redis 7 with master-replica clustering, SSL/TLS encryption, ACL authentication, and production-grade security hardening. Includes performance tuning, backup strategies, and monitoring configuration for high-availability deployments.

45 min 6 distros 2,141 views

devops Intermediate

Install and configure Podman for rootless containers on Linux

Learn to install Podman and configure rootless containers as a secure Docker alternative. Includes Docker Compose migration, systemd integration, and troubleshooting common permission issues.

25 min 6 distros 3,569 views

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