Good day,
What will happen if on x86_64 some i386 rpms get installed, please. Thanks Johan
At Fri, 17 Dec 2010 20:23:36 +0200 CentOS mailing list centos@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@centos.org http://lists.centos.org/mailman/listinfo/centos
Robert Heller wrote:
At Fri, 17 Dec 2010 20:23:36 +0200 CentOS mailing list centos@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@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
Nicolas Ross wrote:
Good day,
What will happen if on x86_64 some i386 rpms get installed, please. Thanks Johan
You'll need some libraries, like libstdc++ in i686 version, but they'll be installed and they'll run.
Regards,
CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
This happened while installing multimedia.
Now I feel better. It was not too important rpms. Thanks for your time Regards Johan
-
Johan Scheepers -
Nicolas Ross -
Robert Heller