unbutu disk full with Error 24 : Write error : cannot write compressed block, show disk size, purge

Error 24 : Write error : cannot write compressed block

 https://askubuntu.com/questions/1207958/error-24-write-error-cannot-write-compressed-block

encountered this problem as my /boot partitions was full.

https://askubuntu.com/questions/345588/what-is-the-safest-way-to-clean-up-boot-partition

// to remove old kernerl:

sudo apt autoremove --purge

// if there are old stuff left : once you have rebooted on your last kernel. and things are fine. Then I invite you to clean up all the old stuff. Current packages you should NOT touch dpkg -l | egrep "linux-(signed|modules|image|headers)" | grep $(uname -r) Old packages you can purge dpkg -l | egrep "linux-(signed|modules|image|headers)" | grep -v $(uname -r | cut -d - -f 1) I purged them all with dpkg -l | egrep "linux-(signed|modules|image|headers)" | grep -v $(uname -r | cut -d - -f 1) | awk {'print $2'} | xargs sudo apt purge -y

show ubuntu disk space:

https://askubuntu.com/questions/73160/how-do-i-find-the-amount-of-free-space-on-my-hard-drive

df -h