Installing two Linux distributions on one computer is possible, but it needs careful partition planning and bootloader management. This setup is useful for learning or testing, but it adds complexity.
Plan partitions first
Each distribution needs its own root filesystem. You may share a swap partition, but sharing /home between distributions can create configuration conflicts unless you know what you are doing.
lsblk
sudo fdisk -l
Bootloader considerations
Usually one distribution controls GRUB. After installing the second distribution, update GRUB from the system you want to manage the boot menu.
sudo update-grub
Safer approach
- Back up important data first.
- Use separate root partitions.
- Label partitions clearly.
- Keep rescue media available.
- Use a virtual machine if you only want to test another distribution.