DISCLAIMER: Modifying or replacing your device’s software may void your device’s warranty, lead to data loss, hair loss, financial loss, privacy loss, security breaches, or other damage, and therefore must be done entirely at your own risk. I am not responsible for your actions. Good luck.
The new CyanogenMod installer requires Windows. Most of the manual tutorials assume you’re running Windows. Hopefully my summarised experience below will help other Linux users.