Linux Mastery - SSH Mastery — Keys, ~/.ssh/config, Tunnels, ProxyJump #07

Master IT skills with Dargslan - No Filler, Just Knowledge. 🚀 Get our 300+ Tech & IT eBooks: https://dargslan.com In this video, we dive deep into professional IT workflows to help you learn faster and code smarter. Whether you're a DevOps engineer, a SysAdmin, or a curious developer, our "No Filler" approach ensures you get the facts without the fluff. SSH is the engineer's daily commute. This lesson lifts you from "I type ssh user@host" to senior-level SSH: ed25519 keys, the ssh-agent, ~/.ssh/config shortcuts, local + remote port forwarding, SOCKS proxy, and ProxyJump for bastion-host workflows. 🎯 In this lesson: ✓ ed25519 key generation (and why not RSA in 2026) ✓ ssh-copy-id — the easy way ✓ ssh-agent — type passphrase once per day ✓ ~/.ssh/config — Host blocks, IdentityFile, ProxyJump ✓ Local forwarding -L (access remote DB locally) ✓ Remote forwarding -R (expose local service) ✓ SOCKS proxy -D (browse through a server) ✓ ProxyJump -J (bastion host) ✓ scp + rsync over SSH ⏱ Chapters: 00:00 — Why SSH matters 00:30 — Generate ed25519 keys 01:00 — ssh-copy-id + first login 01:30 — ssh-agent + agent forwarding 02:00 — ~/.ssh/config power moves 02:30 — -L local forwarding 03:00 — -R + -D + ProxyJump 04:00 — scp vs rsync 05:00 — Recap 🔗 SSH cheat sheet + ~/.ssh/config template: https://dargslan.com ◀ Previous: L06 — Networking ▶ Next: L08 — Bash #SSH #Linux #LearnLinux 🔔 Subscribe for weekly IT insights: https://m.youtube.com/channel/UCv2QLrkCMSBljYG5XKd8IEA About Dargslan: We are dedicated to sharing high-quality, practical IT knowledge. Our mission is to provide the most efficient learning resources for the modern tech industry. #DevOps #ITMastery #Dargslan #Linux #CloudEngineering #NoFillerTech