Robert Heller wrote: > At Fri, 17 Dec 2010 20:23:36 +0200 CentOS mailing list <centos at centos.org> wrote: > >> Good day, >> >> What will happen if on x86_64 some i386 rpms get installed, please. > > Depends. It is in fact *normal* for i[3456]86 *libraries* to be > installed on a CentOS/RHEL x86_64 system (many are installed by > default). It is possible to also install i[3456]86 *programs* as well, > and this works just fine, since A) the x86_64 kernel/program loader is > just as happy to run 32-bit programs as to run 64-bit programs and B) > the various i[3456]86 *libraries* are also generally (or can be) > installed. Installing a i686 *kernel* or *kernel module* is pretty > much useless, unless you reboot with the 32-bit kernel. At which point > your *64-bit* programs won't work :-(. You don't want to do that. For > some programs/packages, installing the 32-bit version might be ill > advised, but I don't think things will necessarily break. > > What you should *not* do is try to upgrade a 32-bit OS to 64-bit: you > should *always* do a 'fresh install' if/when you do that. Make a backup of > your /etc and /home and maybe things like /var/www and /var/ftp, dump > your MySQL/Progress/OpenLDAP databases, etc., unless that stuff is on a > separate file system. > >> Thanks >> Johan >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> http://lists.centos.org/mailman/listinfo/centos >> >> > Thanks for your time to explain. This happened while I was installing multimedia plugins. I keep to the official repos for usual updates. Regards Johan