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davralin

Switch oracle-cloud-instances to Talos

https://blog.davralin.work/posts/switch-oracle-cloud-instances-to-talos/ davralin

## amd64

destination_disk=/dev/sda
talos_version=v1.2.5


wget https://github.com/talos-systems/talos/releases/download/${talos_version}/nocloud-amd64.raw.xz
wipefs -af $destination_disk
xzcat nocloud-*64.raw.xz | dd of=${destination_disk} bs=1M

echo 1 > /proc/sys/kernel/sysrq
echo b > /proc/sysrq-trigger

## arm64

apt update && apt install qemu-utils -y

talos_version=v1.2.5
cloud_instance=oracle
mkdir /tmp/temp && mount -t tmpfs tmpfs /tmp/temp/ && cd /tmp/temp
wget https://github.com/talos-systems/talos/releases/download/${talos_version}/${cloud_instance}-arm64.qcow2.xz
xz -d ${cloud_instance}-arm64.qcow2.xz
qemu-img convert -f qcow2 -O raw ${cloud_instance}-arm64.qcow2 ${cloud_instance}-arm64.img
wipefs --all --force /dev/sda1
wipefs --all --force /dev/sda15
wipefs --all --force /dev/sda
sync
echo 3 > /proc/sys/vm/drop_caches
dd if=${cloud_instance}-arm64.img of=/dev/sda bs=1M status=progress
sync
echo 3 > /proc/sys/vm/drop_caches

echo 1 > /proc/sys/kernel/sysrq
echo b > /proc/sysrq-trigger

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