下载地址:https://nodejs.org/dist/v5.0.0/
1 将下载的tar.gz解压到某个目录 /usr/local/share/node
2 配置环境变量·;
#vi /etc/profile
export PATH=$PATH:/usr/local/share/node/bin
export NODE_PATH=/usr/local/share/node/lib/node_modules
#source /etc/profile
#node -v ( 如果显示弄得版本,则配置成功。)