Install YUM in the server

for file in \
gmp-4.1.4-10.el5.x86_64.rpm \
readline-5.1-1.1.x86_64.rpm \
python-2.4.3-21.el5.x86_64.rpm \
libxml2-2.6.26-2.1.2.1.x86_64.rpm \
libxml2-python-2.6.26-2.1.2.1.x86_64.rpm \
expat-1.95.8-8.2.1.x86_64.rpm \
python-elementtree-1.2.6-5.x86_64.rpm \
sqlite-3.3.6-2.x86_64.rpm \
python-sqlite-1.1.7-1.2.1.x86_64.rpm \
elfutils-0.125-3.el5.x86_64.rpm \
rpm-python-4.4.2-48.el5.x86_64.rpm \
m2crypto-0.16-6.el5.2.x86_64.rpm \
python-urlgrabber-3.1.0-2.noarch.rpm \
yum-3.2.8-9.el5.centos.1.noarch.rpm
do rpm -Uvh http://mirror.centos.org/centos-5/5.2/os/x86_64/CentOS/$file;
done

DB_RUNRECOVERY: Fatal error, run database recovery

If you are getting error message like this when you are trying to do an yum update.

Error message like ->
============================================
ror: error(-3097 getting "system-config-display.mo" records from Basenames index
rpmdb: PANIC: fatal region error detected; run recovery
error: db4 error(-3097 from dbcursor->c_get: DB_RUNRECOVERY: Fatal error, run database recovery
error: error(-3097 getting "system-config-display.mo" records from Basenames index
rpmdb: PANIC: fatal region error detected; run recovery
error: db4 error(-3097 from dbcursor->c_get: DB_RUNRECOVERY: Fatal error, run database recovery
error: error(-3097 getting "system-config-display.mo" records from Basenames index
rpmdb: PANIC: fatal region error detected; run recovery
error: db4 error(-3097 from dbcursor->c_get: DB_RUNRECOVERY: Fatal error, run database recovery
error: error(-3097 getting "system-config-display.mo" records from Basenames index
************************************************** *****

try the following steps.

rm -f /var/lib/rpm/__db*
rpm -vv --rebuilddb
rpm -Va
yum update