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This post is an immediate follow up for Fedora 43 KVM Hypervisor && bring CachyOS KDE Plasma 6.5.1 along with kernel to Arch Linux VM ( https://lxer.com/module/newswire/view/358937/index.html ) It is quite clear that there is a way to automatically start services virtstoraged, virtnetworkd, virtqemud, virtnodedevd on Arch Linux VM , however I was not lucky enough to automate this procedure.
Actually, overall system upgrade could be done before KVM Hypervisor setup either after it. That is not important.
Verification post-upgrade step
$ sudo pacman -S cachyos-kernel-manager
$ pacman -Qs cachyos
local/cachyos-kernel-manager 1.16.1-1 (cachyos)
Simple kernel manager
local/cachyos-keyring 20240331-1 (cachyos)
CachyOS keyring
local/cachyos-mirrorlist 22-1 (cachyos)
CachyOS repository mirrorlist
local/cachyos-v3-mirrorlist 22-1 (cachyos)
CachyOS repository mirrorlist
local/cachyos-v4-mirrorlist 22-1 (cachyos)
CachyOS repository mirrorlist
local/chwd 1.16.1-1 (cachyos)
CachyOS Hardware Detection Tool
local/linux-cachyos 6.17.8-2
The Linux BORE + LTO + AutoFDO + Propeller Cachy Sauce Kernel by CachyOS with other patches and improvements. kernel and modules
local/linux-cachyos-headers 6.17.8-2
Headers and scripts for building modules for the Linux BORE + LTO + AutoFDO + Propeller Cachy Sauce Kernel by CachyOS with other patches and
improvements. kernel
local/pacman 7.0.0.r7.g1f38429-2
A library-based package manager with dependency support. CachyOS fork.
local/scx-manager 1.15.7-1 (cachyos)
Simple GUI for managing sched-ext schedulers via scx_loader
UPDATE as of 11/27/2025
Would you exterience any issues with cachyos-rate-mirrors, just remind that
cachyos-rate-mirrors is a wrapper script for the rate-mirrors tool, specifically configured
to rank and update both Arch Linux and CachyOS mirrors for the user's mirrorlist file.
It automatically tests available mirrors based on speed and synchronization status to ensure
pacman downloads are optimized. It's a wrapper: It is not a replacement for rate-mirrors but
rather a specific version or a script that uses rate-mirrors's underlying functionality.
See man pages for rate-mirrors.
END UPDATE
UPDATE as of 11/28/2025
The very first time schema proposed in https://lxer.com/module/newswire/view/358937/index.html
has been run with no issues on bare metal.
I would expect the re-sync issues to be back again shortly.
END UPDATE
UPDATE as of 12/03/2025
So far so good ( bare metal upgrade)
END UPDATE.
UPDATE as of 12/14/2025
To avoid failure when running `sudo ./cachy-repo.sh` on fresh installation following below
update is required
$ diff ./NEW/cachyos-repo.sh ./OLD/cachyos-repo.sh
165c165
< "${mirror_url}/pacman-7.1.0.r7.gb9f7d4a-3-x86_64.pkg.tar.zst"
---
> "${mirror_url}/pacman-7.0.0.r7.g1f38429-2-x86_64.pkg.tar.zst"
END UPDATE
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Verification post-upgrade step
$ sudo pacman -S cachyos-kernel-manager $ pacman -Qs cachyos local/cachyos-kernel-manager 1.16.1-1 (cachyos) Simple kernel manager local/cachyos-keyring 20240331-1 (cachyos) CachyOS keyring local/cachyos-mirrorlist 22-1 (cachyos) CachyOS repository mirrorlist local/cachyos-v3-mirrorlist 22-1 (cachyos) CachyOS repository mirrorlist local/cachyos-v4-mirrorlist 22-1 (cachyos) CachyOS repository mirrorlist local/chwd 1.16.1-1 (cachyos) CachyOS Hardware Detection Tool local/linux-cachyos 6.17.8-2 The Linux BORE + LTO + AutoFDO + Propeller Cachy Sauce Kernel by CachyOS with other patches and improvements. kernel and modules local/linux-cachyos-headers 6.17.8-2 Headers and scripts for building modules for the Linux BORE + LTO + AutoFDO + Propeller Cachy Sauce Kernel by CachyOS with other patches and improvements. kernel local/pacman 7.0.0.r7.g1f38429-2 A library-based package manager with dependency support. CachyOS fork. local/scx-manager 1.15.7-1 (cachyos) Simple GUI for managing sched-ext schedulers via scx_loaderUPDATE as of 12/14/2025 To avoid failure when running `sudo ./cachy-repo.sh` on fresh installation following below update is required $ diff ./NEW/cachyos-repo.sh ./OLD/cachyos-repo.sh 165c165 < "${mirror_url}/pacman-7.1.0.r7.gb9f7d4a-3-x86_64.pkg.tar.zst" --- > "${mirror_url}/pacman-7.0.0.r7.g1f38429-2-x86_64.pkg.tar.zst" END UPDATE