On Sun, Apr 22, 2012 at 09:31:18AM +0800, ?????? wrote: > But it seems that the --depclean is a dangerous operate ?? > > ?? 2012??4??22?? ????7:15??Florian Philipp <li...@binarywings.net>?????? > > > Am 21.04.2012 20:39, schrieb ny6...@gmail.com: > > > On Sat, Apr 21, 2012 at 09:45:49AM +0200, Florian Philipp wrote: > > >> Am 21.04.2012 05:27, schrieb ??????: > > >>> I just install the xfce a few days ago, But i find i didn't like it . > > So > > >>> i want to remove it and install the Gnome . How can i remove the xfce > > >>> clearly ? > > >>> > > >>> -- > > >>> ???????????????????????? > > >> > > >> Gnome and Xfce share many libraries. Therefore it is best to install > > >> Gnome first, before removing Xfce. Otherwise you will remove libraries > > >> which you will later re-emerge for Gnome. > > >> > > >> Then you need to configure your display manager (kdm, gdm, xdm) to use > > >> Gnome instead of Xfce. Kdm and Gdm should allow you to do that directly > > >> on the login screen. > > >> > > >> When you are satisfied with Gnome, edit /var/lib/portage/world and > > >> remove every line containing an Xfce package. Then run `emerge -av > > >> --depclean` and you are done. > > >> > > >> You could continue to remove config files but that is usually not worth > > >> the trouble. > > >> > > >> Hope this helps, > > >> Florian Philipp > > >> > > > > > > > > > Do I understand you correctly that it is not necessary to run emerge > > > -unmerge first before removing the atoms from @world and running emerge > > > --depclean? > > > > > > Terry > > > > > > > Yes. I think it is also mentioned in the gentoo handbook. In fact, you > > should not use --unmerge because it doesn't check dependencies before > > removing the package. > > > > If you want to delete a package only if no other package depends on it, > > either remove it from world or use > > `emerge -av --depclean <package_name>`. > > The latter has the advantage of also telling you what depends on it. > > > > Regards, > > Florian Philipp
Many thanks. Terry
