centos 安装 nodejs

二进制安装

1.下载解压
wget https://cdn.npm.taobao.org/dist/node/v12.16.2/node-v12.16.2-linux-x64.tar.xz
tar -xf node-v12.16.2-linux-x64.tar.xz
mv node-v12.16.2-linux-x64 /usr/local/node
cd /usr/local/node/bin
./node -v

2.添加到环境变量
ln -s /usr/local/node/bin/node /usr/local/bin/node
ln -s /usr/local/node/bin/npm /usr/local/bin/npm

源码编译安装

1.下载安装
yum -y install gcc make cmake
wget https://cdn.npm.taobao.org/dist/node/v12.16.2/node-v12.16.2.tar.gz
tar -xzvf node-v12.16.2.tar.gz
mv node-v12.16.2 /usr/local/node
cd /usr/local/node


2.编译
./configure``make && make install
./node -v

3.添加到环境变量
ln -s /usr/local/node/bin/node /usr/local/bin/node
ln -s /usr/local/node/bin/npm /usr/local/bin/npm

设置npm源

1.查看当前源
npm config get registry 

2.更换npm源为国内淘宝镜像
npm config set registry http://registry.npm.taobao.org/


3.或者更换为国内npm官方镜像
npm config set registry http://registry.cnpmjs.org/

4.还原npm源
npm config set registry https://registry.npmjs.org/