CentOS上可以通過下載*.tar.gz安裝包的方式自己解壓縮、編譯的方式安裝，同時還可以采用EPEL的方式安裝：
Node.js and npm are available from the Fedora Extra Packages for Enterprise Linux (EPEL) repository. If you haven't already done so, firstenable EPEL.
To check if you have EPEL, run
yum repolist if you don't see epel, install it via RPM (At the time of this writing, the last version is 6.8.)
rpm -Uvh http://download-i2.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm And then run the following command to install node and npm:
sudo yum install nodejs npm --enablerepo=epel or if this doesn't work for you install node separately:
sudo yum install npm --enablerepo=epel參考：https://github.com/joyent/node/wiki/Installing-Node.js-via-package-manager