>>/ I have been told to install a 32 bit libc on my x86_64 system. />>/ I tried "yum install libc.i386" and I got no match. / >>/ What is the command I need? / >For current CentOS 4.4 release: ># yum install glibc-2.3.4-2.25.i386 I tried your suggestion and it did not work. see below. yum install glibc-2.3.4-2.25.i386 Setting up Install Process Setting up repositories Reading repository metadata in from local files Parsing package install arguments No Match for argument: glibc-2.3.4-2.25.i386 Nothing to do also listing present glibs packages gives: rpm -qa | grep glibc glibc-devel-2.3.4-2.25 glibc-kernheaders-2.4-9.1.98.EL glibc-2.3.4-2.25 glibc-common-2.3.4-2.25 glibc-2.3.4-2.25 glibc-headers-2.3.4-2.25 Jerry