Preparing to unpack .../libglut3.12_3.4.0-3_amd64.deb ... Unpacking libglut3.12:amd64 (3.4.0-3) over (3.4.0-1+b2) ... dpkg: error processing archive /var/cache/apt/archives/libglut3.12_3.4.0-3_amd64.deb (--unpack): trying to overwrite '/usr/lib/x86_64-linux-gnu/libglut.so.3', which is also in package freeglut3:amd64 2.8.1-6 Errors were encountered while processing: /var/cache/apt/archives/libglut3.12_3.4.0-3_amd64.deb Error: Sub-process /usr/bin/dpkg returned an error code (1)
