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Why is Arch Linux not booting after system update?
Otherwise you boot a live CD, mount your drive (s) and then chroot to gain access to your system. After that the first thing you should do is to check /var/log/pacman.log to see what may have broken your system. I would suspect an update to xorg or the kernel to cause problems like this.
Why does my computer not boot after updating the kernel?
Along the inability to load kernel modules after a kernel update this usually means that you’re not updating the kernel into the partition that is actually used for booting. Boot the downgraded system, do NOT mount the /boot partition (unmount it in doubt), update the system and reboot. Does that work?
Why is my system unable to Mount / boot?
The system was unable to mount /boot along with some other errors. Attached screenshot of errors on screen. I was able to boot off an archlinux install drive to chroot and downgrade system to Oct 28th using the Arch Linux Archive. I chose that date because I suspected something amiss with the kernel upgrade and maybe kernel modules.
Why do I have a kernel in my root partition?
To state just as politely for the nth time: the mere fact, that you have a kernel in your root partitions /boot path (or actually anything in there) is über-fishy. Along the inability to load kernel modules after a kernel update this usually means that you’re not updating the kernel into the partition that is actually used for booting.
Why is Ubuntu failed to start hostname.service?
Failed to start hostname.service: Unit hostname.service is masked. This happened after hostname update, tried to do a sudo service hostname start. This happens when there is a mismatch in hostname which causes the system to fail the lookup of the hostname.
Why does sudo service hostname restart return the same error?
I’ve got the same problem when I tried to rename my computer name (hostname) in : after editing both files, the command sudo service hostname restart returned the same error. I simply rebooted my computer and the saw the computer name (hostname) has been successfully changed. Just reboot your machine and you’ll be fine.
What do you mean by failed to Mount / boot?
Mounting Arbitrary Executable File Formats File System… [FAILED] Failed to start Load Kernel Modules. [FAILED] Failed to start CLI Netfilter Manager. [FAILED] Failed to mount /boot. [DEPEND] Dependency failed for Local File Systems.