Index: branches/fc13-dev/server/doc/install-howto.sh
===================================================================
--- branches/fc13-dev/server/doc/install-howto.sh	(revision 1675)
+++ branches/fc13-dev/server/doc/install-howto.sh	(revision 1676)
@@ -143,5 +143,5 @@
 # several minutes of dependency resolution until it decides that
 # it can't install /one/ package.
-    cat packages.txt | xargs yum install -y --skip-broken
+    yum install -y --skip-broken $(cat packages.txt)
 
 # Check which packages are installed on your new server that are not
@@ -152,5 +152,5 @@
     diff -u packages.txt newpackages.txt | grep -v kernel | less
     # here's a cute script that removes all extra packages
-    diff -u packages.txt newpackages.txt | grep -v kernel | grep '+' | cut -c2- | grep -v "@" | grep -v "++" | xargs yum erase -y
+    yum erase -y $(grep -Fxvf packages.txt newpackages.txt)
 
 # We need an upstream version of cgi which we've packaged ourselves, but
@@ -202,5 +202,5 @@
 #       package, so... don't use that RPM yet
 gem list --no-version > gem.txt
-    gem list --no-version | diff gem.txt - | grep "<" | cut -c3- | xargs gem install
+    gem install $(gem list --no-version | grep -Fxvf - gem.txt)
 # - Look at `pear list` for Pear fruits (or whatever they're called).
 #   Yet again, 'yum search' for RPMs before resorting to 'pear install'.  Note
@@ -210,10 +210,10 @@
     pear config-set preferred_state beta
     pear channel-update pear.php.net
-    pear list | tail -n +4 | cut -f 1 -d " " | diff pear.txt - | grep "<" | cut -c3- | xargs pear install
+    pear install $(pear list | tail -n +4 | cut -f 1 -d " " | grep -Fxvf - pear.txt)
 # - Look at `pecl list` for PECL things.  'yum search', and if you must,
 #   'pecl install' needed items. If it doesn't work, try 'pear install
 #   pecl/foo' or 'pecl install foo-beta' or those two combined.
 pecl list | tail -n +4 | cut -f 1 -d " " > pecl.txt
-    pecl list | tail -n +4 | cut -f 1 -d " " | diff pecl.txt - | grep "<" | cut -c3- | xargs pecl install --nodeps
+    pecl install --nodeps $(pecl list | tail -n +4 | cut -f 1 -d " " | grep -Fxvf - pecl.txt)
 
 # Setup some Python config