如何正确挂代理解决执行 npm install 出现连接错误的问题？

ALL_PROXY=http://127.0.0.1:xxxx npm install

@learnshare 谢谢提议，我试一下

@learnshare 还是不行，错误一样

```
lala@ubu:~/projects/electron/my-app 09:20:18
$ ALL_PROXY=http://127.0.0.1:8123 npm install --save-dev electron

> [email protected] postinstall /home/lala/projects/electron/my-app/node_modules/core-js
> node -e "try{require('./postinstall')}catch(e){}"

Thank you for using core-js ( https://github.com/zloirock/core-js ) for polyfilling Javascript standard library!

The project needs your help! Please consider supporting of core-js on Open Collective or Patreon:
> https://opencollective.com/core-js
> https://www.patreon.com/zloirock

Also, the author of core-js ( https://github.com/zloirock ) is looking for a good job -)


> [email protected] postinstall /home/lala/projects/electron/my-app/node_modules/electron
> node install.js

(node:7836) UnhandledPromiseRejectionWarning: RequestError: connect ETIMEDOUT 13.229.188.59:443
at ClientRequest.<anonymous> (/home/lala/projects/electron/my-app/node_modules/got/source/request-as-event-emitter.js:178:14)
at Object.onceWrapper (events.js:313:26)
at ClientRequest.emit (events.js:228:7)
at ClientRequest.origin.emit (/home/lala/projects/electron/my-app/node_modules/@szmarczak/http-timer/source/index.js:37:11)
at TLSSocket.socketErrorListener (_http_client.js:406:9)
at TLSSocket.emit (events.js:223:5)
at emitErrorNT (internal/streams/destroy.js:92:8)
at emitErrorAndCloseNT (internal/streams/destroy.js:60:3)
at processTicksAndRejections (internal/process/task_queues.js:81:21)
(node:7836) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1)
(node:7836) [DEP018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
npm WARN [email protected] No description
npm WARN [email protected] No repository field.

+ [email protected]
added 85 packages from 91 contributors and audited 102 packages in 80.372s

2 packages are looking for funding
run `npm fund` for details

found 0 vulnerabilities

```

试试 https://www.electronjs.org/docs/tutorial/installation#%E4%BB%A3%E7%90%86
或者直接下载解压缩 https://github.com/electron/electron/releases

@learnshare 好的我再试一下，多谢！完事了回复你。

什么 http 代理软件？

试试淘宝 cnpm ？ https://npm.taobao.org/

@zjq123 用 polipo 将 socks5 代理转换成的 http 代理

@francis59 我试一下，多谢！搞完回复

@learnshare 多谢你的建议！

现在我的 bashrc 和 npmrc 如下

lala@ubu:~/projects/electron/my-app 09:49:34
$ cat ~/.npmrc
proxy=http://127.0.0.1:8123/
http-proxy=http://127.0.0.1:8123/
https-proxy=http://127.0.0.1:8123/
noproxy=localhost,127.0.0.1,192.168.,10.
strict-ssl=false
global.GLOBAL_AGENT=true
global.GLOBAL_AGENT.HTTP_PROXY=http://127.0.0.1:8123/
global.GLOBAL_AGENT.HTTPS_PROXY=http://127.0.0.1:8123/
lala@ubu:~/projects/electron/my-app 09:49:41
$ tail -n 10 ~/.bashrc

export ANDROID_HOME=/home/lala/AndroidSDK
export HTTP_PROXY=http://127.0.0.1:8123/
export HTTPS_PROXY=http://127.0.0.1:8123/
export http_proxy=http://127.0.0.1:8123/
export https_proxy=http://127.0.0.1:8123/
export GLOBAL_AGENT_HTTP_PROXY=http://127.0.0.1:8123/
export GLOBAL_AGENT_HTTPS_PROXY=http://127.0.0.1:8123/
export ELECTRON_GET_USE_PROXY=true
export ELECTRON_MIRROR="https://cdn.npm.taobao.org/dist/electron/"

但是还是卡在这个地方。但是另一方面这个 electron 依赖看起来已经下载下来了
lala@ubu:~/projects/electron/my-app/node_modules/electron 09:50:52
$ tree .
.
├── cli.js
├── electron.d.ts
├── index.js
├── install.js
├── LICENSE
├── package.json
└── README.md

0 directories, 7 files
lala@ubu:~/projects/electron/my-app/node_modules/electron 09:51:10
$ wc electron.d.ts
13622 61347 541692 electron.d.ts

所以要解决的这个问题应该不是下载依赖，而是如何解决连接问题。

我是执行 npx 命令的时候网络经常抽风，也是代理都没用，估计是未成功

@fenglala
1. 去掉如下内容
$ cat ~/.npmrc
proxy=http://127.0.0.1:8123/
http-proxy=http://127.0.0.1:8123/
https-proxy=http://127.0.0.1:8123/
---
export HTTP_PROXY=http://127.0.0.1:8123/
export HTTPS_PROXY=http://127.0.0.1:8123/
export http_proxy=http://127.0.0.1:8123/
export https_proxy=http://127.0.0.1:8123/
export GLOBAL_AGENT_HTTP_PROXY=http://127.0.0.1:8123/
export GLOBAL_AGENT_HTTPS_PROXY=http://127.0.0.1:8123/
export ELECTRON_GET_USE_PROXY=true
export ELECTRON_MIRROR="https://cdn.npm.taobao.org/dist/electron/"

2. 然后删除 node_modules
3. 使用 ALL_PROXY=http://127.0.0.1:8123 npm install --loglevel silly 重新安装

注意观察日志

@kumiko 好多软件设置可选代理，但是好多软件的代理都不生效就很烦人

@learnshare 现在指示删掉了 bashrc 里的那些，npmrc 里边还剩如下：
lala@ubu:~/projects/electron/my-app 10:13:56
$ cat ~/.npmrc
noproxy=localhost,127.0.0.1,192.168.,10.
strict-ssl=false
global.GLOBAL_AGENT=true
global.GLOBAL_AGENT.HTTP_PROXY=http://127.0.0.1:8123/
global.GLOBAL_AGENT.HTTPS_PROXY=http://127.0.0.1:8123/
registry=https://registry.npm.taobao.org

执行 ALL_PROXY=http://127.0.0.1:8123 npm install --loglevel silly 的时候没有任何问题，一切正常。

但是执行 ALL_PROXY=http://127.0.0.1:8123 npm install --loglevel silly --save-dev electron 还是报那个错，最终结果显示出来还是安装完成，中间日志如下：

npm sill postinstall [email protected]
npm info lifecycle [email protected]~postinstall: [email protected]
npm sill postinstall @electron/[email protected]
npm info lifecycle @electron/[email protected]~postinstall: @electron/[email protected]
npm sill postinstall [email protected]
npm info lifecycle [email protected]~postinstall: [email protected]
npm sill postinstall [email protected]
npm info lifecycle [email protected]~postinstall: [email protected]
npm sill postinstall [email protected]
npm info lifecycle [email protected]~postinstall: [email protected]

> [email protected] postinstall /home/lala/projects/electron/my-app/node_modules/electron
> node install.js

(node:11541) UnhandledPromiseRejectionWarning: RequestError: connect ETIMEDOUT 13.250.177.223:443
at ClientRequest.<anonymous> (/home/lala/projects/electron/my-app/node_modules/got/source/request-as-event-emitter.js:178:14)
at Object.onceWrapper (events.js:313:26)
at ClientRequest.emit (events.js:228:7)
at ClientRequest.origin.emit (/home/lala/projects/electron/my-app/node_modules/@szmarczak/http-timer/source/index.js:37:11)
at TLSSocket.socketErrorListener (_http_client.js:406:9)
at TLSSocket.emit (events.js:223:5)
at emitErrorNT (internal/streams/destroy.js:92:8)
at emitErrorAndCloseNT (internal/streams/destroy.js:60:3)
at processTicksAndRejections (internal/process/task_queues.js:81:21)
(node:11541) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1)
(node:11541) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
npm verb lifecycle [email protected]~postinstall: unsafe-perm in lifecycle true
npm verb lifecycle [email protected]~postinstall: PATH: /usr/lib/node_modules/npm/node_modules/npm-lifecycle/node-gyp-bin:/home/lala/projects/electron/my-app/node_modules/electron/node_modules/.bin:/home/lala/projects/electron/my-app/node_modules/.bin:/home/lala/.local/bin:/home/lala/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
npm verb lifecycle [email protected]~postinstall: CWD: /home/lala/projects/electron/my-app/node_modules/electron
npm sill lifecycle [email protected]~postinstall: Args: [ '-c', 'node install.js' ]
npm sill lifecycle [email protected]~postinstall: Returned: code: 0 signal: null
npm timing action:postinstall Completed in 31826ms
npm verb unlock done using /home/lala/.npm/_locks/staging-7ae29a0b4c2104a4.lock for /home/lala/projects/electron/my-app/node_modules/.staging
npm timing stage:executeActions Completed in 33034ms

最底部日志如下：

npm sill install saveToDependencies
npm verb saving [ { name: 'electron', spec: '^8.0.0', save: 'devDependencies' } ]
npm verb shrinkwrap skipping write for package.json because there were no changes.
npm info lifecycle undefined~preshrinkwrap: undefined
npm info lifecycle undefined~shrinkwrap: undefined
npm info lifecycle undefined~postshrinkwrap: undefined
npm WARN [email protected] No description
npm WARN [email protected] No repository field.

npm sill install printInstalled
+ [email protected]
updated 57 packages in 37.468s

2 packages are looking for funding
run `npm fund` for details

npm verb exit [ 0, true ]
npm timing npm Completed in 37893ms
npm info ok

@learnshare 谢谢一直帮忙。他这是不是从头到尾设置的代理都没生效过啊，还是说安装依赖的时候代理生效了，就连接时候没走代理呢？

@fenglala 13.250.177.223 应该是 github.com 被污染的地址，无法访问

我目前通过 host 访问 github.com （可以使用 17ce DNS 功能查一下有哪些你能访问到的 IP ）

140.82.113.4 github.com

你可以配置 host 之后，使用 npm install --loglevel silly --save-dev electron 安装

@francis59 试了淘宝 cnpm 也是卡在一样的地方

@learnshare 我感觉不是被污染的地址，因为我是通过直接把 IP 敲到 chrome 地址栏，然后跳转到 github 的。我试一下你说的 hosts 的方法。

@fenglala #17 取消代理了吗？ cnpm 是不需要代理的

@learnshare 改完重启了，现在正在执行你说的那个命令，我也不确定这个丢包率能不能连接成功

lala@ubu:~/projects/electron/my-app 10:27:45
$ ping github.com
PING github.com (140.82.113.4) 56(84) bytes of data.
64 bytes from github.com (140.82.113.4): icmp_seq=2 ttl=49 time=262 ms
^C
--- github.com ping statistics ---
5 packets transmitted, 1 received, 80% packet loss, time 48ms
rtt min/avg/max/mdev = 262.334/262.334/262.334/0.000 ms
lala@ubu:~/projects/electron/my-app 10:28:01
$ ping github.com
PING github.com (140.82.113.4) 56(84) bytes of data.
64 bytes from github.com (140.82.113.4): icmp_seq=1 ttl=49 time=290 ms
64 bytes from github.com (140.82.113.4): icmp_seq=4 ttl=49 time=261 ms
64 bytes from github.com (140.82.113.4): icmp_seq=5 ttl=49 time=336 ms
64 bytes from github.com (140.82.113.4): icmp_seq=6 ttl=49 time=268 ms
64 bytes from github.com (140.82.113.4): icmp_seq=8 ttl=49 time=377 ms
64 bytes from github.com (140.82.113.4): icmp_seq=9 ttl=49 time=274 ms
^C
--- github.com ping statistics ---
9 packets transmitted, 6 received, 33.3333% packet loss, time 91ms
rtt min/avg/max/mdev = 261.054/300.962/377.263/41.984 ms

目前还是卡在
> [email protected] postinstall /home/lala/projects/electron/my-app/node_modules/electron
> node install.js
我再等一会再看看

@learnshare 不行，还是卡在这

@francis59 不行，我把 bashrc 里的全都删了，npmrc 里边剩一行 registry=http 淘宝链接。。。。gistry.npm.taobao.org V2EX 说我每个回复都有 url 看起来像发广告的。。。。
执行的时候前边前边明显快多了说明淘宝的源用上了，但是还是卡在同样的地方
lala@ubu:~/projects/electron 10:35:53
$ npm install --save-dev electron
。。。。。。。。省略省略。。。。。。

> [email protected] postinstall /home/lala/projects/electron/node_modules/electron
> node install.js

@fenglala npmrc 里边剩一行 registry=http
这个也删掉，保持操作环境干干净净，不要换源

就两个思路：
1. ALL_PROXY 全走代理（没 host ）
2. host github，其他的也不走代理

@fenglala #22
不需要手动改 npmrc 啊，先把之前 npmrc 里面的代理相关的东西删掉（ registry 那个也删掉），
然后执行以下命令安装 cnpm：
npm install -g cnpm --registry=https://registry.npm.taobao.org

安装完之后，就可以用 cnpm 代替 npm 了：
cnpm install --save-dev electron

@learnshare @francis59 你俩的方法我分开尝试的，没有混淆。
用 @learnshare 的方法 1 ALL_PROXY 没用
用 @learnshare 的方法 2 host github 还是没用
用 @francis59 的方法 3 换成淘宝的源，确实换成淘宝的源了但是这玩意还是要连接 github 连不上

现在我打算整个跟 win 下的 sstap 类似的那种东西，把整个系统的所有流量都走代理，找到了个项目现在试试

https://github.com/semigodking/redsocks

@learnshare @francis59 谢谢各位的回复！

@fenglala
>（可以使用 17ce DNS 功能查一下有哪些你能访问到的 IP ）

@learnshare 我找到了一个百分百不丢包的 ip 140.82.114.3 刚才重启换上之后，确保直连能打开 github，然后还是卡在这一步。刚才回复不了，v2ex 说我回复太多不正常，让我 1800 秒之后再回复

.npmrc 里加
electron_mirror=https://cdn.npm.taobao.org/dist/electron/
这是适用 electron 7.x 的好像，6.x 似乎是另一个地址

@otakustay 问题解决了！感谢！
解决方法：
1. bashrc 里边不加任何跟代理有关的环境变量
2. npmrc 里边只加两行
registry=https://registry 点 npm 点 taobao 点 org
electron_mirror=https://cdn 点 npm 点 taobao 点 org/dist/electron/
3. hosts 将 github 执行可访问的 ip，我这是 140.82.114.3 （不确定这个有没有作用）
然后就一切按照教程执行就没任何问题！