You can run `sudo update-mime-database /usr/share/mime` to check if the warnings are still there.
For the last warnings with all/all and all/allfiles, they seem to come from kdelibs.
As I didn't use anymore some KDE packages, I removed them and `kdelibs`.
Then the last warnings disappeared.
Resources:
https://web.archive.org/web/20131019010 … -type.html
https://bbs.archlinux.org/viewtopic.php … 3#p1204603
https://bbs.archlinux.org/viewtopic.php?id=212130
https://groups.google.com/forum/#!topic … lf4Qj5emDI
mod note: not an installation issue. Moved to N.C.
]]>:: Running post-transaction hooks...
(1/3) Updating icon theme caches...
(2/3) Updating the desktop file MIME type cache...
(3/3) Updating the MIME type database...
Unknown media type in type 'chemical/x-alchemy'
Unknown media type in type 'chemical/x-cache'
Unknown media type in type 'chemical/x-cactvs-ascii'
Unknown media type in type 'chemical/x-cactvs-binary'
Unknown media type in type 'chemical/x-cactvs-table'
Unknown media type in type 'chemical/x-cdx'
Unknown media type in type 'chemical/x-cdxml'
Unknown media type in type 'chemical/x-chem3d'
Unknown media type in type 'chemical/x-cif'
Unknown media type in type 'chemical/x-cml'
Unknown media type in type 'chemical/x-daylight-smiles'
Unknown media type in type 'chemical/x-dmol'
Unknown media type in type 'chemical/x-gamess-input'
Unknown media type in type 'chemical/x-gamess-output'
Unknown media type in type 'chemical/x-gaussian-input'
Unknown media type in type 'chemical/x-gaussian-log'
Unknown media type in type 'chemical/x-genbank'
Unknown media type in type 'chemical/x-gulp'
Unknown media type in type 'chemical/x-hin'
Unknown media type in type 'chemical/x-inchi'
Unknown media type in type 'chemical/x-inchi-xml'
Unknown media type in type 'chemical/x-jcamp-dx'
Unknown media type in type 'chemical/x-macromodel-input'
Unknown media type in type 'chemical/x-mdl-molfile'
Unknown media type in type 'chemical/x-mdl-rdfile'
Unknown media type in type 'chemical/x-mdl-rxnfile'
Unknown media type in type 'chemical/x-mdl-sdfile'
Unknown media type in type 'chemical/x-mdl-tgf'
Unknown media type in type 'chemical/x-mmcif'
Unknown media type in type 'chemical/x-mol2'
Unknown media type in type 'chemical/x-mopac-graph'
Unknown media type in type 'chemical/x-mopac-input'
Unknown media type in type 'chemical/x-mopac-out'
Unknown media type in type 'chemical/x-msi-car'
Unknown media type in type 'chemical/x-msi-hessian'
Unknown media type in type 'chemical/x-msi-mdf'
Unknown media type in type 'chemical/x-msi-msi'
Unknown media type in type 'chemical/x-ncbi-asn1'
Unknown media type in type 'chemical/x-ncbi-asn1-binary'
Unknown media type in type 'chemical/x-ncbi-asn1-xml'
Unknown media type in type 'chemical/x-pdb'
Unknown media type in type 'chemical/x-shelx'
Unknown media type in type 'chemical/x-vmd'
Unknown media type in type 'chemical/x-xyz'
Unknown media type in type 'all/all'
Unknown media type in type 'all/allfiles'
Would appreciate any help with this
]]>