After I dist-upgrade the Kubuntu 14.04 to 16.04, I ran the following command to update the system state. sudo apt-get update; sudo apt-get upgrade; sudo apt-get autoremove; Then, I got the following error. dpkg: error processing gcc-doc (--remove): Package is in a very bad inconsistent state - you should reinstall it before attempting a removal. Errors were encountered while processing: gcc-doc E: Sub-process /usr/bin/dpkg returned an error code (1) All the following attempt didn't work sudo dpkg --remove --force-remove-reinstreq gcc-doc sudo dpkg --configure -a sudo apt-get clean sudo apt-get autoclean At the end, I did a brute force way. Find gcc-doc related files in /var/lib/dpkg/info and remove them find /var/lib/dpkg/info/ -name *gcc-doc* -print | xargs rm Then, sudo apt-get update; sudo apt-get upgrade; sudo apt-get install gcc-doc This worked, but it is now by apt-...
Mathematics, programming, and a little bit of my life.