You must have access to the KVM host (virsh) to handle the initial reboot phase.
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PHASE 1: THE REBOOT & SNAPSHOT BOOT (PERFORMED ON KVM HOST VIA SSH)
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1. Connect to your KVM Host via SSH.
2. Force power off the crashed VM instance:
sudo virsh destroy VMCachyOS0607
3. Start the VM directly into the interactive serial console:
sudo virsh start VMCachyOS0607 --console
4. IMMEDIATELY tap the arrow keys in your terminal window to stop the GRUB timer.
5. Select "CachyOS Snapshots" -> Select your target working snapshot (e.g., 13).
6. Let the system boot completely into this temporary read-only snapshot.
7. Once the boot process finishes, press Enter to see the login prompt.
8. Disconnect from the virsh console by pressing: Ctrl + ]
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PHASE 2: EXECUTE THE PERMANENT ROLLBACK (PERFORMED VIA SSH TO THE VM)
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1. Connect directly to the VM instance via your normal SSH client.
2. Run the Btrfs Assistant scanner to list available snapshots and indexes:
sudo btrfs-assistant --list
3. Locate your target snapshot ID in the table and note its Index number.
4. Execute the permanent restoration command (Replace <INDEX> with your number):
sudo btrfs-assistant --restore <INDEX>
5. Commit the changes and return the system to normal read-write operation:
sudo reboot
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VERIFICATION CHECKS (RUN INSIDE VM AFTER THE FINAL REBOOT)
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To verify core recovery (libc.so):
ls -la /usr/lib/libc.so*
To verify package manager state (/var/lib):
sudo pacman -Sy
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Sunday, 7 June 2026
CACHYOS REMOTE SYSTEM ROLLBACK VIA SSH & BTRFS-ASSISTANT CLI (proposed by Google AI Assistant)
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CACHYOS REMOTE SYSTEM ROLLBACK VIA SSH & BTRFS-ASSISTANT CLI (proposed by Google AI Assistant)
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