Shell & Coin Blog
Every Linux guide, crypto explainer and review we have published, newest first.
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Hot Wallet vs Cold Wallet: Which Crypto Storage Is Safest?
Hot wallet vs cold wallet explained: the key differences, real security risks, and which crypto storage strategy makes sense for your holdings.
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Best Linux Tiling Window Manager in 2026: I Tested 5 (Hyprland Won)
Compare the 5 best Linux tiling window managers in 2026 — Hyprland, Sway, i3, Niri, and dwm. I tested each for performance, config ease, and daily use.
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What Is a Money Market Fund: Higher Yields Than My Savings Account
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.
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How to Configure /etc/fstab in Linux (Without Bricking Your System)
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.
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Aptos (APT) Crypto: The Move-Language Blockchain Faster Than Solana
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.
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How to Change Timezone in Linux: timedatectl and Manual Methods Explained
Learn how to change timezone in Linux using timedatectl, manual symlink, and dpkg-reconfigure. Includes NTP sync, UTC best practices, and real command examples.
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What Is ZKsync Crypto: Ethereum’s ZK Rollup Explained
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.
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Best Open Source Password Manager in 2026: I Tested 6 on My Homelab
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.
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What Are Treasury Bills: How T-Bills Work and Whether to Buy In
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.
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How to Use SSH Config File in Linux: Manage Servers Like a Pro
Use the Linux SSH config file (~/.ssh/config) to create aliases, configure ProxyJump, and manage multiple servers without typing long commands.
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What Is Base Blockchain: Coinbase’s Ethereum L2 Explained
Base is Coinbase's Ethereum Layer 2 with sub-cent fees, $10B in TVL, and access to 110M+ users. Here's exactly how it works and why it matters.
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What Is P/E Ratio: The Stock Metric I Ignored Until It Cost Me
P/E ratio explained: what it means, how to calculate it, what counts as 'good,' and the real-world traps that fool beginners every time.
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Best Linux File Manager in 2026: 6 I Tested on My Homelab
I tested 6 Linux file managers in 2026 — from blazing-fast Yazi to classic Midnight Commander. Here's which GUI and TUI tools actually belong on your system.
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Solana ETF Explained: How Spot SOL Funds Work and Whether to Buy In
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.
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Short Squeeze Trading: How It Works and How to Spot the Next One
A short squeeze triggers explosive price spikes as short sellers panic-buy to cover losses. Learn the mechanics, key signals, and how to trade them safely.
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How to Set Up an NFS Server on Linux: Share Files Across Your Network
Learn how to set up an NFS server on Linux to share files across your network. Step-by-step guide for Ubuntu and RHEL with security tips and mount options.
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What Is Pendle Finance: How Yield Tokenization Works in DeFi
Pendle Finance lets you lock in fixed crypto yields or speculate on variable rates using PT and YT tokens. Here's how yield tokenization works in DeFi.
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How to Use Git on Linux: The Complete Sysadmin Guide
Learn how to use Git on Linux from scratch. Install, configure, commit, branch, and push code. Practical sysadmin workflows with real command examples.
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Bittensor (TAO) Explained: The AI Crypto Rewiring Decentralized Intelligence
Bittensor (TAO) is a decentralized AI marketplace with Bitcoin-like scarcity. Learn how subnets, dynamic TAO, and staking work in 2026.
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How to Use LUKS Disk Encryption on Linux (Step-by-Step)
Learn to encrypt disks and partitions with LUKS on Linux using cryptsetup. Covers LUKS2 setup, key management, header backup, and auto-mount at boot.
