When I'm installing g77-3.4 for pgplot, I trivially use dkpg to install it. However, g77-3.4-doc is not able to fully installed. And I stuck for this kind of error due to the broken packages (refer to here ): dpkg: error processing realplayer (--configure/--purge/--remove): (Whatever messages) Errors were encountered while processing: g77-3.4-doc cd /var/lib/dpkg/info sudo rm g77-3.4-doc* sudo dpkg --remove --force-remove-reinstreq g77-3.4-doc Hmm, now apt-get works well again. https://www.youtube.com/watch?v=S9HJ-iAzf3k
Here record some exciting moments I experience during my ES / RTOS researches.