+# search vserver.post in config.<pldistro> or in config.planetlab otherwise
+postfile=$(pl_locateDistroFile ../build/ ${pldistro} vserver.post)
+
+[ -f $postfile ] && /bin/bash $postfile ${vref} || :
+
+# fix sudoers config
+[ -f ${vref}/etc/sudoers ] && echo -e "\nDefaults\tlogfile=/var/log/sudo\n" >> ${vref}/etc/sudoers
+
+# cleanup yum remainings
+rm -rf ${vref}/build ${vref}/longbuildroot
+