centos yum安装npm

curl -sL https://rpm.nodesource.com/setup_14.x | bash -
yum install -y nodejs
node -v
npm -v

[root@VM-0-5-centos ~]# yum install -y nodejs
已加载插件：fastestmirror, langpacks
Repository epel is listed more than once in the configuration
Loading mirror speeds from cached hostfile
 * centos-sclo-rh: mirror.xtom.com.hk
centos-sclo-rh                                           | 3.0 kB     00:00
epel                                                     | 4.7 kB     00:00
extras                                                   | 2.9 kB     00:00
nodesource                                               | 2.5 kB     00:00
os                                                       | 3.6 kB     00:00
updates                                                  | 2.9 kB     00:00
(1/4): centos-sclo-rh/x86_64/primary_db                    | 3.4 MB   00:00
(2/4): epel/7/x86_64/updateinfo                            | 1.0 MB   00:00
(3/4): nodesource/x86_64/primary_db                        |  62 kB   00:00
(4/4): epel/7/x86_64/primary_db                            | 7.0 MB   00:00
正在解决依赖关系
--> 正在检查事务
---> 软件包 nodejs.x86_64.2.14.21.1-1nodesource 将被 安装
--> 解决依赖关系完成

依赖关系解决

================================================================================
 Package      架构         版本                          源                大小
================================================================================
正在安装:
 nodejs       x86_64       2:14.21.1-1nodesource         nodesource        33 M

事务概要
================================================================================
安装  1 软件包

总下载量：33 M
安装大小：95 M
Downloading packages:
警告：/var/cache/yum/x86_64/7/nodesource/packages/nodejs-14.21.1-1nodesource.x86_64.rpm: 头V4 RSA/SHA512 Signature, 密钥 ID 34fa74dd: NOKEY
nodejs-14.21.1-1nodesource.x86_64.rpm 的公钥尚未安装
nodejs-14.21.1-1nodesource.x86_64.rpm                      |  33 MB   00:02
从 file:///etc/pki/rpm-gpg/NODESOURCE-GPG-SIGNING-KEY-EL 检索密钥
导入 GPG key 0x34FA74DD:
 用户ID     : "NodeSource <gpg-rpm@nodesource.com>"
 指纹       : 2e55 207a 95d9 944b 0cc9 3261 5ddb e8d4 34fa 74dd
 软件包     : nodesource-release-el7-1.noarch (installed)
 来自       : /etc/pki/rpm-gpg/NODESOURCE-GPG-SIGNING-KEY-EL
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
警告：RPM 数据库已被非 yum 程序修改。

  正在安装    : 2:nodejs-14.21.1-1nodesource.x86_64                         1/1
  验证中      : 2:nodejs-14.21.1-1nodesource.x86_64                         1/1

已安装:
  nodejs.x86_64 2:14.21.1-1nodesource

完毕！
[root@VM-0-5-centos ~]#
[root@VM-0-5-centos ~]# node -v
v14.21.1
[root@VM-0-5-centos ~]# npm -v
6.14.17

测试 ok

npm install cnpm -g --registry=https://registry.npm.taobao.org