STEP1: install dependencies and compile tools.
yum install libtool automake autoconf gcc-c++ openssl-devel
STEP2: download node.js package, tar and make install.
wget http://nodejs.org/dist/v0.10.26/node-v0.10.26.tar.gz
tar -zvxf node-v0.10.26.tar.gz
make && make install
STEP3: Check if nodejs and npm have been installed.
node -v
npm -v
STEP4: install express
npm install -g express-generator
STEP5: install mongodb
You should add respository for mongo.
vi /etc/yum.repos.d/10gen.repo
[10gen]
name=10gen Repository
baseurl=http://downloads-distro.mongodb.org/repo/redhat/os/x86_64
gpgcheck=0
Then you'll see info via texting "yum info mongo-10gen-server"
Last, install server and client.
yum install mongo-10gen-server
yum install mongo-10gen
service mongod start
/etc/mongod.conf
Notice: chown mongod data file.