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#!/bin/sh

# you will almost never want to run this script.
# $1 = file name ( full path ) with rpms to retain

# stop some services
service httpd stop
service libvirtd stop
service mailman stop
service mysqld stop
service named stop
service nfs stop
service portmap stop
service postfix stop
service postgresql stop
service radiusd stop
service rpcbind stop
service sendmail stop
service smb stop
service snmpd stop
service squid stop
service vsftpd stop
service xinetd stop

# packages cleanup
rm /tmp/yum-cleanup

for f in `rpm -qa`; do 
  pn=$(rpm --qf "|%{name}|" -q $f)
  if [ `grep $pn $1 | wc -l ` -lt 1 ] ; then 
    echo 'erase ' $f  >> /tmp/yum-cleanup 
  fi
done
cat $1 | sed -e 's/|//g' | sed -e 's/^/install /' >> /tmp/yum-cleanup

if [ `uname -m` = 'x86_64' ]; then
  yum -y erase *.i?86
  yum -y --exclude=*.i?86 shell /tmp/yum-cleanup
else
  yum -y shell /tmp/yum-cleanup
fi

yum -y reinstall \*
cd /etc
for x in `find . -maxdepth 2 -type f -name \*.rpmnew`; do
  a=$( echo $x | sed -e 's/.rpmnew//' )
  rm -f $a
  mv $x $a
done

# Package specific cleanup 
# Clean pgsql data dir
/bin/rm -rf /var/lib/pgsql/

# Clean tmp
rm -rf /tmp/*
rm -rf /var/tmp/*

# Keep yum cache
sed -i 's/keepcache=0/keepcache=1/' /etc/yum.conf

## EOF