Secure Boot Certificates Expire June 27: What Linux Users Need to Do

The Microsoft UEFI CA 2011 — the certificate that signs the Linux shim bootloader — expires on June 27, 2026. Your current Linux install will keep booting, but if you don't update your firmware certificates now, you will permanently lose the ability to receive boot-level security patches and future Linux installs will fail on your hardware. In this video, I break down exactly what is expiring, why Microsoft controls a key part of the Linux boot process, and the two commands you need to run to protect your system before this becomes a real problem. 📋 CHAPTERS 00:00 - Introduction: What's Actually Happening 00:50 - The Three Certificates and Their Expiry Dates 02:07 - Why Your PC Won't Brick Tomorrow 03:06 - The Slow-Burn Problem: New Installs and Security Updates 04:19 - The Fix: fwupd Commands for Linux 05:32 - The Hardware Support Problem (Older PCs) 06:47 - Virtual Machines and Cloud Environments 07:39 - The Architecture Change: 2011 vs 2023 Certificates 08:37 - What Happens If You Ignore This 09:33 - Summary and Action Plan sudo mokutil --sb-state sudo mokutil --db sudo fwupdmgr refresh sudo fwupdmgr update sudo apt full-upgrade # Ubuntu/Debian sudo dnf upgrade # Fedora/RHEL 🔗 Official Resources • Microsoft guidance: https://aka.ms/GetSecureBoot • Microsoft Tech Community blog: https://techcommunity.microsoft.com/b... • Dell: https://www.dell.com/support/kbdoc/en... • Lenovo: https://support.lenovo.com/solutions/... • HP: https://support.hp.com/us-en/document... 📬 Subscribe for more Linux deep dives: https://tondoeslinux.com/subscribe 💬 Join the community: https://tondoeslinux.com #Linux #SecureBoot #UEFI #LinuxSecurity #fwupd #Ubuntu #Fedora #LinuxMint #SysAdmin #ITSecurity ======================================================= "Please like, comment, and subscribe to receive more videos of this kind." https://goo.gl/a9JwXB Subscribe to the weekly newsletter: https://tondoeslinux.com/subscribe Use VidIQ for your channel: https://vidiq.com/TonDoesLinux Use the best VPN: https://surfshark.club/friend/FN3Sduq4 Learn Linux:    • Learn Linux Desktop   Learn Arch:    • Learn Arch Linux 2019   Website: www.tondoeslinux.com Like my Facebook page:   / tondoeslinux   See me on Twitter   / tondoes   #tondoeslinux #linuxtutorial #linux #apple #tech #shorts