#!/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