Hello, There has been a recent update of the graph-tool installation instructions for Debian & Ubuntu (i.e. also for Linux Mint): https://git.skewed.de/count0/graph-tool/-/wikis/installation-instructions#gn... For my Linux Mint 19.2 (Tina) system, I adjusted /etc/apt/sources.list accordingly: deb http://downloads.skewed.de/apt bionic main Unfortunately, apt-get update produces the following error: N: Skipping acquire of configured file 'main/binary-i386/Packages' as repository 'http://downloads.skewed.de/apt bionic InRelease' doesn't support architecture 'i386' Next, I tried to install graph-tool on another computer which has Linux Mint 18.3 (Sylvia) on it. For this I would need DISTRIBUTION = xenial. Unfortunately, it seems that graph-tool does not support xenial anymore :-( Any help is appreciated... Best regards Rolf -- ----------------------------------------------------------------------- Rolf Sander phone: [+49] 6131/305-4610 Max-Planck Institute of Chemistry email: rolf.sander@mpic.de PO Box 3060, 55020 Mainz, Germany homepage: www.rolf-sander.net ----------------------------------------------------------------------- https://www.encyclopedia-of-geosciences.net https://www.geoscientific-model-development.net -----------------------------------------------------------------------