Command Manual

CLI references and command snippets for common DevOps tools.

• AI Coding — Claude Code, Gemini CLI, and Codex CLI
• Automation — Ansible and SaltStack CLI references
• Big Data — HDFS and HBase
• Build Tools — Maven, Gradle, and Make
• Container Runtime — Docker, Podman, containerd, kubectl, and Helm
• Database — ClickHouse, Elasticsearch, MongoDB, MySQL, PostgreSQL, Redis, and TiDB
• IO Tools — Disk I/O benchmarking, monitoring, and partition management
• Memory Tools — Memory inspection, monitoring, and cache management
• Network Tools — TCP, UDP, HTTP, and DNS diagnostic tools
• OpenSSL — Certificate management, encryption, and format conversion
• Package — apt, dnf, rpm, and pacman package managers
• Streaming & Messaging — Kafka and RocketMQ CLI
• Systemd — Systemd service management and system control
• System Tools — System performance analysis and debugging
• Text Swordsman — Text processing with awk, grep, and sed
• Version Control — Git, GitHub CLI, and Subversion
• Video Tools — FFmpeg video and audio processing