Vue，Nodejs环境搭建

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# 先做软链接
[root@cicd local]# ln -s /usr/local/node/bin/npm /usr/local/bin/npm
[root@cicd local]# ln -s node-v14.15.1-linux-x64/bin/node /usr/local/bin/node
# 再做一个本地软链接
[root@cicd local]# ln -s node-v14.15.1 node

# 再给几个版本解压放到这里（解压略），需要哪个就用软连接指过去
[root@cicd local]# ll
total 0
drwxr-xr-x. 3 root root  62 Dec  2 11:26 bin
drwxr-xr-x. 2 root root   6 Apr 11  2018 etc
drwxr-xr-x. 2 root root   6 Apr 11  2018 games
drwxr-xr-x. 2 root root   6 Apr 11  2018 include
drwxr-xr-x. 2 root root   6 Apr 11  2018 lib
drwxr-xr-x. 2 root root   6 Apr 11  2018 lib64
drwxr-xr-x. 2 root root   6 Apr 11  2018 libexec
lrwxrwxrwx  1 root root  13 Dec  2 11:29 node -> node-v14.15.1
drwxrwxr-x  6  500  500 108 Mar  5  2019 node-v10.15.3
drwxr-xr-x  6 1001 1001 108 Oct  7 02:14 node-v12.19.0
drwxr-xr-x  6 1001 1001 108 Nov 16 21:23 node-v14.15.1
drwxr-xr-x. 2 root root   6 Apr 11  2018 sbin
drwxr-xr-x. 5 root root  49 Aug 20 07:04 share
drwxr-xr-x. 3 root root  24 Nov 11 16:06 src
[root@cicd local]# node -v
v14.15.1
[root@cicd local]# npm -v
6.14.8
[root@cicd local]# pwd
/usr/local

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[root@cicd local]# npm install -g cnpm --registry=https://registry.npm.taobao.org
npm WARN deprecated request@2.88.2: request has been deprecated, see https://github.com/request/request/issues/3142
npm WARN deprecated har-validator@5.1.5: this library is no longer supported
/usr/local/node-v14.15.1/bin/cnpm -> /usr/local/node-v14.15.1/lib/node_modules/cnpm/bin/cnpm
+ cnpm@6.1.1
added 689 packages from 972 contributors in 375.306s
[root@cicd local]#

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[root@cicd local]# vim example.js
[root@cicd local]# node  example.js &
[1] 19084
[root@cicd local]# Server running at http://0.0.0.0:3000/

[root@cicd local]#  netstat -tpln|grep 3000
tcp        0      0 0.0.0.0:3000            0.0.0.0:*               LISTEN      19084/node


# 这是测试页面内容
[root@cicd local]# more example.js
const http = require('http');
const hostname = '0.0.0.0';
const port = 3000;
const server = http.createServer((req, res) => {
    res.statusCode = 200;
    res.setHeader('Content-Type', 'text/plain');
    res.end('Hello Worldn');
});

server.listen(port, hostname, () => {
    console.log(`Server running at http://${hostname}:${port}/`);
});

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# 访问测试页面
[root@cicd local]# ip a|grep 24
    inet 10.0.1.185/24 brd 10.0.1.255 scope global ens192
    
[root@cicd local]# curl -I http://10.0.1.185:3000/
HTTP/1.1 200 OK
Content-Type: text/plain
Date: Wed, 02 Dec 2020 03:47:04 GMT
Connection: keep-alive
Keep-Alive: timeout=5
[root@cicd local]# curl  http://10.0.1.185:3000/
Hello World
[root@cicd local]#

# 关闭测试进程
[root@cicd local]#  netstat -tpln|grep 3000
tcp        0      0 0.0.0.0:3000            0.0.0.0:*               LISTEN      19084/node
[root@cicd local]# kill -9 19084
[root@cicd local]#  netstat -tpln|grep 3000
[1]+  Killed                  node example.js
[root@cicd local]#