What Is a Certificate of Deposit (CD): Guaranteed Returns Explained
Alexa Velin
June 7, 2026
Root access to modern finance.
Root access to modern finance.
A mutual fund pools money from investors to buy stocks and bonds. Learn how they work, types available, and whether the fees are actually worth it.
Hot wallet vs cold wallet explained: the key differences, real security risks, and which crypto storage strategy makes sense for your holdings.
Money market funds hold $7.64 trillion in assets yet most investors ignore them. Here’s what they are, how they work, and whether you should switch.
Aptos is a Layer-1 blockchain built by ex-Meta engineers using the Move language. Learn how APT, Block-STM, and real-world asset adoption make it unique.
ZKsync is Ethereum’s leading ZK rollup: lower fees, instant finality, and native account abstraction. Here’s exactly how it works and whether you should use it.
Treasury bills are short-term US government securities that earn 3-4% with zero default risk. Learn how T-bills work, current yields, and how to buy them.
Learn how to use Podman in Linux: install it, run rootless containers, manage images, and integrate with systemd. The Docker alternative that is free forever.
Learn how to use the find command in Linux to search files by name, type, size, permissions, and time — with real sysadmin examples and exec tricks.
Learn how to use the Linux tee command to write output to files and terminal simultaneously. Real examples: sudo tee, append mode, stderr capture, and scripting.
Learn how to use Docker Compose in Linux to manage multi-container apps with one YAML file. Covers install, compose.yaml syntax, key commands, and real examples.
Learn how to create and manage systemd timers in Linux — a powerful cron alternative with better logging, dependency support, and missed-run recovery.
Learn how to edit the sudoers file in Linux using visudo, grant precise sudo permissions, use NOPASSWD, and avoid common misconfigurations that lock you out.
Learn how to use the alias command in Linux to create custom shortcuts, automate repetitive tasks, and boost your command-line productivity with permanent aliases.
Configure /etc/fstab in Linux to automate disk mounting. Learn the six fields, UUID vs device names, key mount options, and how to recover if something breaks.
Master the top command in Linux with real-world examples for monitoring CPU, memory, and processes. Complete guide with practical troubleshooting techniques for 2025.
Alright, you absolute degenerate. You’re not satisfied with regular crypto’s 50% daily swings. You want leverage on your leverage. You want to trade options on magic internet money that already moves like it’s on crystal meth. You want crypto options. God help you. I’ve been trading crypto options since 2021,
I tested 6 open source password managers on my Linux homelab in 2026—Bitwarden, Vaultwarden, KeePassXC, Proton Pass, and more. Here’s which one I actually kept.
Learn SSH tunneling in Linux with real command examples. Master local, remote, and dynamic port forwarding to secure your connections like a pro.
Master the Linux tar command with practical examples. Learn to create, extract, and compress archives using tar, gzip, and bzip2. Complete guide for beginners and sysadmins.
Compare the best Linux shells in 2026 — Bash, Zsh, Fish, and Nushell. Find out which shell fits your workflow based on speed, features, and scripting needs.
Learn how to create and manage Linux bash aliases to speed up your terminal. Practical examples for navigation, safety, system admin, and networking shortcuts.
Learn how to check open ports in Linux with ss, netstat, lsof, and nmap. Complete guide with practical examples, troubleshooting tips, and security best practices for 2025.
Learn how to configure AppArmor on Linux—check status, create custom profiles, switch between modes, and harden your system with real command examples.
Master the Linux tar command with practical examples. Learn to create, extract, and manage compressed archives with this complete 2025 guide for beginners.
Master the Linux find command with practical examples and real-world use cases. Learn to search files by name, size, permissions, and time. Complete 2025 guide with advanced techniques.
I tested 5 popular Linux text editors — Nano, Vim, Neovim, VS Code, and Emacs — so you don’t have to. Here’s what sysadmins actually need in 2026.
Learn how to invest in index funds with this complete beginner’s guide. Warren Buffett’s proven strategy, step-by-step instructions, and common mistakes to avoid in 2025.
Learn how to use the free command in Linux to monitor memory usage, interpret available vs used memory, and avoid common mistakes. Practical examples for sysadmins.
Learn how to install and configure Nginx web server on Linux. Step-by-step guide covering installation, server blocks, SSL setup, and security hardening.
I tested 6 browsers on Linux in 2026: Firefox, Brave, LibreWolf, Vivaldi, Chromium, and Ungoogled Chromium. Here’s which one wins for privacy and speed.
I tested 12 crypto trading bots with real money. Only 3 made profits. Here’s the truth about automated crypto trading in 2025, including the bots that actually work (with real numbers).
Learn what the FIRE movement is and how Financial Independence Retire Early works. Calculate your FIRE number, understand different FIRE types, and discover if retiring decades early is right for you.
Master the curl command in Linux with real-world examples for API testing, file downloads, and troubleshooting. Complete guide with practical use cases for 2025.
Master Linux disk space management with df, du, and ncdu. Learn to find space hogs, troubleshoot disk full errors, and monitor usage like a pro.
Learn how to add swap space in Linux using a swap file or swap partition. Step-by-step commands, size recommendations, and swappiness tuning included.
Set up Prometheus, Node Exporter, and Grafana on Linux step by step. Get a live CPU, RAM, and disk monitoring dashboard in under 30 minutes.
Stellar (XLM) is the payments blockchain powering cross-border remittances, USDC, and the DTCC’s 2027 tokenized securities platform. Here’s how it works.
A spot Bitcoin ETF holds real BTC and trades on stock exchanges. Here’s how it works, what it costs, the top funds to know, and who should actually buy one.
Jupiter (JUP) is Solana’s dominant DEX aggregator with $1T+ in volume and 95% market share. Here’s how it works, what JUP does, and if it’s worth your attention.
Injective (INJ) is a Layer 1 blockchain built from scratch for DeFi finance. Learn how its MEV-resistant order book, burn tokenomics, and RWA markets work.
What is Shiba Inu (SHIB)? Learn how this Ethereum meme coin evolved into a DeFi ecosystem with Shibarium L2, ShibaSwap DEX, and a deflationary burn model.
Zero knowledge proofs let you verify truth without revealing data. Here’s how ZK tech powers Ethereum L2 scaling, DeFi privacy, and the future of crypto in 2026.
Set up MetaMask wallet in minutes. Learn how to install it, secure your seed phrase, add custom networks, and avoid the scams that steal from 500 users daily.
What is Hedera HBAR crypto? Learn how hashgraph consensus, the Governing Council, and enterprise use cases make HBAR different from every other blockchain.
Solana ETFs launched October 2025 with built-in staking yield — unlike Bitcoin or Ethereum ETFs. Here’s how they work, fee comparisons, and who should buy.