The latest articles on DEV Community by anekos (@anekos). https://dev.to/anekos https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F44985%2F1a82b125-b610-45a9-a884-2efff2192f26.png https://dev.to/anekos en anekos Wed, 09 Oct 2024 11:42:42 +0000 https://dev.to/anekos/what-to-do-if-you-accidentally-remove-the-amd-ucode-package-on-arch-linux-26hn https://dev.to/anekos/what-to-do-if-you-accidentally-remove-the-amd-ucode-package-on-arch-linux-26hn <p>Stuck with a boot error saying "amd-ucode.img not found" on Arch Linux? This guide shows you how to fix it fast. </p> <h2> Boot from Arch Linux USB drive </h2> <p>Use the official one from <a href="https://archlinux.org/download/" rel="noopener noreferrer">the Arch Linux website</a>.</p> <h2> First, mount the target disk </h2> <div class="highlight js-code-highlight"> <pre class="highlight shell"><code><span class="c"># mkdir /mnt/root</span> <span class="c"># mount /dev/nvme0n1p2 /mnt/root</span> <span class="c"># mount /dev/nvme0n1p1 /mnt/root/boot</span> </code></pre> </div> <h2> Enter the mounted environment with chroot </h2> <div class="highlight js-code-highlight"> <pre class="highlight shell"><code><span class="c"># arch-chroot /mnt/root</span> </code></pre> </div> <h2> Reinstall the amd-ucode package that was accidentally removed </h2> <div class="highlight js-code-highlight"> <pre class="highlight shell"><code><span class="c"># pacman -S amd-ucode</span> </code></pre> </div> <p>This should create <code>/boot/amd-ucode.img</code>.</p> <h2> Create a backup just in case </h2> <p>(If you put the backup in the same directory, grub-mkconfig would use that instead)<br> </p> <div class="highlight js-code-highlight"> <pre class="highlight shell"><code><span class="c"># cd /boot</span> <span class="c"># mkdir backup</span> <span class="c"># cp initramfs-linux.img backup/initramfs-linux.img.2024-10-08</span> <span class="c"># cp vmlinuz-linux backup/vmlinuz-linux.2024-10-08</span> <span class="c"># cp grub/grub.cfg backup/grub.cfg.2024-10-08</span> <span class="c"># cp /etc/mkinitcpio.conf backup/mkinitcpio.conf.2024-10-08</span> </code></pre> </div> <h2> Regenerate initramfs </h2> <div class="highlight js-code-highlight"> <pre class="highlight shell"><code><span class="c"># mkinitcpio -p linux</span> </code></pre> </div> <h2> Update GRUB configuration </h2> <div class="highlight js-code-highlight"> <pre class="highlight shell"><code><span class="c"># grub-mkconfig -o /boot/grub/grub.cfg</span> </code></pre> </div> <h2> Conclusion </h2> <p>Pacman: It's not just a game, folks! </p> archlinux grub troubleshooting linux