A personal, field-ready reference library for CLI tools, infrastructure, APIs, and blockchain development. Built for fast lookup during SRE/DevOps/Web3 work.
| File | Description |
|---|---|
| ansible_cheatsheet.md | Inventory, playbooks, roles, modules, vault, ad-hoc commands, and templates |
| aws_cli_cheatsheet.md | EC2, S3, IAM, VPC, CloudWatch, SSM, and JMESPath output shaping |
| bash_scripting_cheatsheet.md | Variables, loops, conditionals, functions, arrays, traps, getopts, and script patterns |
| curl_api_testing_cheatsheet.md | HTTP methods, headers, auth, JSON-RPC for ETH/Solana, and AI/LLM API examples |
| docker_cheatsheet.md | Images, containers, volumes, networking, Compose, Dockerfile patterns, and cleanup |
| git_cheatsheet.md | Branching, rebasing, stash, reflog, bisect, undoing, and recovery |
| jq_cheatsheet.md | JSON parsing, filtering, transformation, NDJSON log streams, and blockchain RPC examples |
| kubernetes_cheatsheet.md | kubectl, pods, deployments, services, namespaces, configmaps, secrets, and debugging |
| linux_arch_cheatsheet.md | pacman, AUR, yay, nftables, systemd-boot, recovery, and rolling-release discipline |
| linux_centos_rhel_cheatsheet.md | dnf/yum, firewalld, SELinux, LVM, NetworkManager (RHEL/CentOS specific) |
| linux_debian_ubuntu_cheatsheet.md | apt, ufw, systemd, networking, and CLI troubleshooting (Debian/Ubuntu specific) |
| nginx_cheatsheet.md | Server blocks, reverse proxy, SSL/TLS, load balancing, access control, and rate limiting |
| prometheus_grafana_cheatsheet.md | PromQL queries, alert rules, exporters, Grafana dashboards, and containment |
| python_cheatsheet.md | Data types, comprehensions, functions, OOP, file I/O, error handling, and stdlib |
| python_environments_packaging_cheatsheet.md | venv, pip, pyproject.toml, lockfiles, pipx, uv, and VPS deployment |
| regex_cheatsheet.md | Core syntax, quantifiers, groups, lookaheads, flavors (BRE/ERE/PCRE), Python re, grep/sed/awk |
| rsync_backup_cheatsheet.md | Delta sync over SSH, filters, --link-dest snapshots, pull-based backups, restic/rclone |
| sql_cheatsheet.md | SELECT, JOIN, GROUP BY, subqueries, indexes, transactions, and common patterns |
| ssh_cheatsheet.md | Config, ProxyJump, port forwarding, keepalives, multiplexing, and escape sequences |
| ssh_gpg_keys_cheatsheet.md | SSH & GPG key lifecycle, agent, encrypt/sign, backup/revoke, and Git commit signing |
| systemd_journalctl_cheatsheet.md | Unit files, service management, timers, journalctl filtering, and log persistence |
| tailscale_cheatsheet.md | Mesh VPN, MagicDNS, Tailscale SSH, serve/funnel, exit nodes, ACLs, and key expiry |
| terraform_cheatsheet.md | Init, plan, apply, state management, modules, variables, and provider config |
| tmux_cheatsheet.md | Sessions, windows, panes, keybindings, copy mode, mouse mode, scripting, and config |
| vim_cheatsheet.md | Modes, motions, operators, text objects, registers, macros, and Neovim |
| vps_hardening_cheatsheet.md | ufw, fail2ban, unattended-upgrades, tailnet-first patterns, and audit checklists |
Clone this repo and reference locally:
git clone git@github.com:CryptoAI-Jedi/dev-cheatsheets.git
cd dev-cheatsheetsSearch across all sheets:
grep -rn "ssh-keygen" .
grep -rn "jq.*select" .
grep -rn "firewall-cmd" .Open a sheet in the terminal:
cat tmux_cheatsheet.md | lessThese sheets are optimized for:
- OS: Ubuntu 24 LTS (primary VPS), Debian, CentOS/RHEL, Arch
- Blockchain: Solana, Base (x402/EVM), Bitcoin, Ethereum
- Tools: Docker, Kubernetes, Prometheus, Grafana, Ansible, Terraform, Postman
- Languages: Bash, Python, Rust (learning), Vyper (learning)
- Projects:
node-health-monitor,wallet-ops-sentinel,mining-ops-toolkit, Base x402 marketplace
# Pull latest on your VPS
cd ~/dev-cheatsheets && git pull
# Add a new cheatsheet
git add new_tool_cheatsheet.md
git commit -m "Add new_tool cheatsheet"
git push origin mainPersonal use. Fork freely.