In case yum is unavailable due to various reasons (broken, uninstalled) here is a shell script that can install it.

Paste this in a yumi.sh file:

for file in \
gmp-4.1.4-10.el5.i386.rpm \
readline-5.1-3.el5.i386.rpm \
python-libs-2.4.3-43.el5.i386.rpm \
python-2.4.3-43.el5.i386.rpm \
libxml2-2.6.26-2.1.2.8.el5_5.1.i386.rpm \
libxml2-python-2.6.26-2.1.2.8.el5_5.1.i386.rpm \
expat-1.95.8-8.3.el5_5.3.i386.rpm \
python-elementtree-1.2.6-5.i386.rpm \
sqlite-3.3.6-5.i386.rpm \
python-sqlite-1.1.7-1.2.1.i386.rpm \
elfutils-libelf-0.137-3.el5.i386.rpm \
elfutils-0.137-3.el5.i386.rpm \
popt-1.10.2.3-22.el5.i386.rpm \
rpm-libs-4.4.2.3-22.el5.i386.rpm \
rpm-4.4.2.3-22.el5.i386.rpm \
rpm-python-4.4.2.3-22.el5.i386.rpm \
m2crypto-0.16-6.el5.8.i386.rpm \
python-urlgrabber-3.1.0-6.el5.noarch.rpm \
python-iniparse-0.2.3-4.el5.noarch.rpm \
yum-fastestmirror-1.1.16-14.el5.centos.1.noarch.rpm \
yum-metadata-parser-1.1.2-3.el5.centos.i386.rpm \
yum-3.2.22-33.el5.centos.noarch.rpm
do rpm -Uvh –nodeps http://mirror.centos.org/centos-5/5/os/i386/CentOS/$file;
done

chmod a+x yumi.sh
./yumi.sh
yum update
Some files may have been updated, so if you get errors update these file names to latest versions from http://mirror.centos.org/centos-5/5/os/i386/CentOS/ or other mirror you may be using.

Get latest Red5 0.9 Final (27 January 2010) from http://code.google.com/p/red5/.

This final release includes important improvements and bug fixes.
http://code.google.com/p/red5/updates/list

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