How to install only 64-bit software on yum in CentOS

If you want to keep a pure 64-bit system, it is easy to install a 32-bit software package on 64-bit CentOS. add a line to conf to filter out i386, and then the i686 software package will be ready. the method is as follows:

The code is as follows:	Copy code
# Vi/etc/yum. conf [Main] ... Exclude = *. I? 86 Or Echo exclude = *. I? 86>/etc/yum. conf

Of course, you can ensure that the 32-bit rpm package can be installed in the future. What should I do if the 32-bit rpm package has been installed in the past? In fact, you can still delete it using yum:

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# Yum remove *. I? 86 Loaded plugins: downloadonly, rhnplugin, security ... Setting up Remove Process Is this OK [y/N]: y ... Running Transaction Erasing: nss ... Erasing: openssl Removed: GConf2.i386. 14.0-9. el5 ... Zlib-devel.i386. 2.3-3 Complete!

You can see that the 32-bit rpm package has been uninstalled.