centos6.4, 6.5自带的python版本可以安装相应的nodejs版本


wget http://nodejs.org/dist/v0.9.0/node-v0.9.0.tar.gz    
tar zxvf node-v0.9.0.tar.gz    
cd node-v0.9.0    
./configure --prefix=/usr/local/node/0.9.0    
make;make install    

vi /etc/profile    
#set for nodejs    
export NODE_HOME=/usr/local/node/0.9.0    
export PATH=$NODE_HOME/bin:$PATH    

source /etc/profile

npm config set ca ""
npm install -g log.io --user "root"log.io-servervim ~/.log.io/harvester.conflog.io-harvester

访问server http://localhost:28778 搞定