Linux Crash Course - Public Key Authentication

Public Key Authentication with OpenSSH is preferred, as it's a much stronger method of authenticating to your servers when compared to using password authentication. In fact, password authentication in OpenSSH should always be disabled. But before you can password authentication, you'll need to set up public key authentication, and that's exactly what we'll do in today's video. # Helpful OpenSSH content to take your knowledge even further: ? Locking down OpenSSH (goes over disabling password authentication): ➡️ https://youtu.be/OVsMaXQkktQ?t=1231 ? Full OpenSSH Guide (goes over even more detail than this): ➡️ https://linux.video/ssh # LearnLinuxTV Sites ? Main site: ➡️ https://www.learnlinux.tv ? LearnLinuxTV Community: ➡️ https://community.learnlinux.tv # Support LearnLinuxTV (commission earned) ? Check out Jay's latest book, Mastering Ubuntu Server 4th Edition. Covers Ubuntu 22.04! ➡️ https://ubuntuserverbook.com ? Support me on Patreon and get early access to new content! ➡️ https://learnlinux.link/patron ☁️ Support LearnLinuxTV and Set up your own cloud server with Akamai Connected Cloud: ➡️ https://learnlinux.link/akamai ? Affiliate store for Linux compatible hardware/accessories: ➡️ https://learnlinux.link/amazon ? Check out the Tiny Pilot KVM for your Homelab: ➡️ https://learnlinux.link/tinypilot # Timecodes: 00:00 - Intro 02:32 - Checking if the OpenSSH client is present (Linux) 03:10 - Checking if the OpenSSH client is installed (MacOS) 03:44 - Installing PuTTY (Windows 10) 05:12 - Generating an SSH keypair (Linux and macOS) 08:40 - Testing OpenSSH connectivity (Linux and macOS) 09:30 - Copy the public key over to a remote server (Linux and macOS) 12:09 - Setting up a session for a server in PuTTY for Windows 13:38 - Creating an SSH key pair in Windows with PuTTYgen 15:40 - Using a PEM key to connect to a Linux server via PuTTY in Windows 10 # Video-specific links ? Download PuTTY: ➡️ https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html # About Me ? Follow me on Twitter! ➡️ https://learnlinux.link/twitter ? More about me: ➡️ https://www.jaylacroix.com ➡️ https://www.learnlinux.tv # Recommended evergreen videos: ? How to create a bootable flash drive for installing Linux ➡️ https://linux.video/flash-usb ? Understanding Linux permissions ➡️ https://linux.video/perms ? OpenSSH Guide ➡️ https://linux.video/ssh ? LVM Deep-dive: ➡️ https://linux.video/lvm ? How to better secure OpenSSH: ➡️ https://linux.video/secure-ssh ☁️ How to create a cloud Linux server with Linode: ➡️ https://learnlinux.link/create-linode *FAQ* ? Which distro do I use? ➡️ https://learnlinux.link/mydistro ? My recording gear (commissions earned): ➡️ https://learnlinux.link/recording-stuff #SSH #OpenSSH #Linux

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