# Free Up Space on Linux by Deleting Unused Kernels

1. Log into the Linux device
2. Run the following commands in terminal
   # output the current kernel version
   uname -sr
   # list all installed kernels
   dpkg -l | grep linux-image | awk '{print$2}'
   # delete kernels that are no longer in use
   sudo apt remove linux-image-4.19.0-10-amd64 --purge
   # update grub bootloader
   sudo update-grub2
   # reboot
   sudo reboot now