Learn Something New! - Getting Started with OpenSSH Key Management

In various tutorials throughout the history of LearnLinuxTV, we've gone over the importance of using public keys with OpenSSH. But what do you do when you have multiple clients you work with, how do you manage keys between them? In this video, we'll go through an example scenario where we have three clients, and we need to maintain multiple SSH keys for each. Note: It's recommended to watch the ssh config file video prior to watching this one: https://youtu.be/MWqfc_fegVg *📖 Switch to Linux with my latest book!* Linux is one of the best decisions you can make for your computer — but knowing where to start is the hard part. This guide walks you through everything: choosing a distribution, installing it, and using it confidently every day. It'll be released very soon! 📌 *Join the announcement list here ➜ https://leanpub.com/switch-to-linux* *🔥 Top Recommendations* • Get $100 Credit to Practice on Akamai (Linode) ➜ https://learnlinux.link/linode • Linux Commands Cheat Sheet ➜ https://learnlinux.link/linux-commands • 30% Off Linux Foundation Certifications (Use code "LEARNLINUXTV") ➜ https://learnlinux.link/lf • Professional tutoring from yours truly ➜ https://learnlinux.link/tutor-me *🛠️ SysAdmin Tools* • Monitor your Infrastructure like a Pro with Netdata ➜ https://learnlinux.link/netdata • Check out TinyPilot, a Pi-Based Remote Access Solution ➜ https://learnlinux.link/tinypilot • Tips for Switching to Linux (ebook) ➜ https://learnlinux.link/linux-desktop-tips *🛡️ Privacy & Privacy* • Safeguard your Internet activity with Proton VPN (70% off) ➜ https://go.getproton.me/aff_c?offer_id=26&aff_id=16836 • Get Proton end-to-end Encrypted Email for $1/month ➜ https://go.getproton.me/aff_c?offer_id=7&aff_id=16836 *❤️ Support the Channel* • Enjoyed the video? Your support keeps this channel independent! • Become a Channel Member (Ad-Free & Early Access) ➜ https://learnlinux.link/join • Support on Patreon ➜ https://learnlinux.link/patron *🛍️ Featured Merch* • "apt install coffee" T-Shirt (My personal favorite) ➜ https://learnlinux.link/apt-install-coffee • Proxmox T-Shirt ➜ https://learnlinux.link/proxmox-shirt • Explore the Full Shop ➜ https://merch.learnlinux.tv *Support Linux Learning!* • Grab some Linux swag from the official Merch Shop ➜ https://merch.learnlinux.tv • Become a Channel Member here on YouTube ➜ https://learnlinux.link/member • Become a Patron and gain access to exclusive perks ➜ https://learnlinux.link/patron • 5% discount on LPI exam vouchers ➜ https://learnlinux.link/lpi-voucher • Check out my latest book, Mastering Ubuntu Server 4th Edition ➜ https://ubuntuserverbook.com • Grab an awesome Pi-powered KVM ➜ https://learnlinux.link/tinypilot • Jay's Gear ➜ https://learnlinux.link/amazon _Note: Royalties and/or commission is earned from each of the above links_ *🕐 Time Codes* 00:00 - intro 01:58 - Overview of the sample scenario 04:49 - Using the ssh-keygen command to generate an RSA key 08:17 - Creating an SSH key pair for company #1 (Acme) 11:10 - Creating SSH key pairs for the other two companies 12:14 - Associating the SSH keys with their respective servers 14:11 - Specifying a particular key while connecting to a server 15:41 - Using the SSH agent to cache the passphrase for a key 18:57 - Specifying an SSH key within the SSH client config file*🎓 Full Linux Courses* • Linux Crash Course ➜ https://linux.video/cc • Netdata ➜ https://linux.video/netdata • tmux ➜ https://linux.video/tmux • vim ➜ https://linux.video/vim • Bash Scripting ➜ https://linux.video/bash • Proxmox VE ➜ https://linux.video/pve • Ansible (Paid) ➜ https://learnlinux.link/ansible • LPI Linux Essentials (Paid) ➜ https://learnlinux.link/linux-essentials *🎓 More About Learn Linux TV* • Main site ➜ https://www.learnlinux.tv • Community Forums ➜ https://community.learnlinux.tv • Github Account ➜ https://github.com/LearnLinuxTV • Content Ethics ➜ https://www.learnlinux.tv/content-ethics • Request Paid Assistance ➜ https://www.learnlinux.tv/request-assistance _Note: Some links mentioned here are affiliate links. If you purchase through them, it helps support Learn Linux TV at no additional cost to you._ ⚠️ Use Content Responsibly Learn Linux TV shares technical content intended to teach and help you, but it comes with no warranty. The channel is not liable for any damages from its use. Always ensure you have proper permissions, follow company policies, and comply with all applicable laws while working with infrastructure. #Linux #SSH #KeyManagement