ssh: hosts (ukradius internal address)
gtkrc-2.0: 'gnome' icon theme was renamed to Adwaita

I'm now not sure if this is necessary; I remember symlinking 'gnome' to
'Adwaita' in /usr/share/icons yesterday.
environ: remove ccache

On fast servers it just wastes space. On my laptop, it actually makes
compilation _slower_...