--- loncom/build/distprobe	2011/05/06 21:29:41	1.19
+++ loncom/build/distprobe	2011/07/21 21:28:29	1.20
@@ -2,7 +2,7 @@
 #
 # The LearningOnline Network with CAPA
 #
-# $Id: distprobe,v 1.19 2011/05/06 21:29:41 raeburn Exp $
+# $Id: distprobe,v 1.20 2011/07/21 21:28:29 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -53,7 +53,7 @@ if (-e '/etc/redhat-release') {
         $dist = 'rhes'.$1;
     } elsif ($versionstring =~ /Red Hat Enterprise Linux Server release (\d+)/) {
         $dist = 'rhes'.$1;
-    } elsif ($versionstring =~ /CentOS release (\d+)/) {
+    } elsif ($versionstring =~ /CentOS(?:| Linux) release (\d+)/) {
         $dist = 'centos'.$1;
     } elsif ($versionstring =~ /Scientific Linux (?:SL )?release ([\d.]+) /) {
         my $ver = $1;