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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Configure Linux system time synchronization with chrony and NTP hardening

linux
865

Set up Node.js application security with Helmet and rate limiting

security
744

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

hosting
724

Install and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications

hosting
718

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
713

Recently published

Configure logrotate with Elasticsearch and Kibana integration for automated log management

monitoring
4 hours ago

Setup log aggregation with rsyslog and logrotate for centralized system monitoring

linux
4 hours ago

Configure SSH key authentication and security hardening

security
4 hours ago

Configure PostgreSQL 17 SSL encryption and advanced security hardening

security
4 hours ago

Integrate ModSecurity 3 with SOAR platforms for automated incident response and threat detection

security
13 hours ago
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security Intermediate

Implement container security with AppArmor and seccomp profiles

Secure your containers with AppArmor mandatory access controls and seccomp system call filtering. Learn to create custom security profiles, implement runtime policies, and monitor container security violations in production environments.

45 min 4 distros 12 views
linux Beginner

Configure Linux file and directory ownership with chown and security best practices

Learn to properly configure file and directory ownership using chown, understand user and group permissions, and implement secure ownership patterns for web servers and applications.

25 min 6 distros 171 views
hosting Intermediate

Configure Tomcat 11 database connection pooling with JNDI and HikariCP for high availability

Set up production-grade database connection pooling in Tomcat 11 using JNDI resources and HikariCP for optimal performance and high availability. Learn to configure server.xml, context.xml, and monitor connection pools effectively.

25 min 4 distros 101 views
databases Intermediate

Set up automated MySQL database backups with compression and rotation

Configure automated MySQL database backups with compression, encryption, and rotation using systemd timers. Includes monitoring and alerting for backup failures.

45 min 4 distros 157 views
security Intermediate

Configure Linux user and group management with sudo access control

Learn to create and manage Linux users and groups with proper sudo access control, security hardening, and monitoring. This comprehensive guide covers account creation, group membership management, sudo configuration, and security best practices for production environments.

45 min 4 distros 210 views
security Beginner

Configure Linux file encryption with LUKS and cryptsetup for data protection

Learn how to encrypt files and partitions using LUKS encryption with cryptsetup tools. This tutorial covers creating encrypted volumes, managing encryption keys, and automating mount operations for secure data protection.

45 min 6 distros 531 views
linux Beginner

Configure Linux file compression and archiving with tar, gzip and backup automation

Learn to create compressed archives with tar and gzip, manage different compression formats, and implement automated backup scripts with rotation for efficient system maintenance and data protection.

25 min 6 distros 482 views
linux Beginner

Configure Linux user and group management with useradd, usermod and advanced account security

Learn to manage Linux users and groups with useradd, usermod, and groupadd commands. This tutorial covers creating accounts, setting permissions, configuring password policies, and implementing security best practices for production systems.

25 min 6 distros 437 views
security Beginner

Configure Linux file permissions and access control with umask and chmod best practices

Learn how to configure secure Linux file permissions using chmod, set default permissions with umask, and implement proper access control to prevent security vulnerabilities while fixing permission denied errors.

25 min 6 distros 471 views
hosting Intermediate

Set up Apache Tomcat 11 with SSL certificates and JVM optimization for Java web applications

Install and configure Apache Tomcat 11 with Java 21, SSL/TLS certificates, JVM performance tuning, security hardening, and production-ready monitoring for enterprise Java web applications.

45 min 6 distros 382 views
linux Intermediate

Configure Linux system logging with rsyslog and journald for centralized log management

Set up comprehensive Linux logging infrastructure using rsyslog for traditional syslog handling and journald for systemd service logs. Configure remote logging, log rotation, filtering rules, and troubleshoot common logging performance issues.

25 min 6 distros 595 views
databases Intermediate

Install and configure ClickHouse for high-performance analytics with clustering

Set up ClickHouse OLAP database with clustering support for real-time analytics workloads. Configure distributed tables, security, SSL encryption, and monitoring for production environments.

45 min 6 distros 379 views

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