## Confirming "el5-x86_64" is supported...
+ curl -sLf -o /dev/null 'https://rpm.nodesource.com/pub_0.10/el/5/x86_64/nodesource-release-el5-1.noarch.rpm'
## Your distribution, identified as "centos-release-5-6.el5.centos.1", is not currently supported, please contact NodeSource at https://github.com/nodesource/distributions/issues if you think this is incorrect or would like your distribution to be considered for support