npm install express fails. ENETUNREACH Error

Question

I've been trying to install express on raspberry pi for a couple hours now. Not real sure what the issue is.

pi@raspberrypi:~ $ npm -v
8.1.0

pi@raspberrypi:~ $ node -v
v17.0.1

pi@raspberrypi:~/Project-Folder $ npm install

up to date, audited 1 package in 803ms

found 0 vulnerabilities

npm install works fine, but when I try to reach the registry it fails.

pi@raspberrypi:~/Project-Folder $ npm install -g express
npm ERR! code ENETUNREACH
npm ERR! syscall connect
npm ERR! errno ENETUNREACH
npm ERR! request to http://registry.npmjs.com/express failed, reason: connect ENETUNREACH 0000:0000::0000:0000:80

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/pi/.npm/_logs/2021-10-26T17_22_03_292Z-debug.log

it doesn't actually have that ip address I just don't want to leak any thing.

I've done everything below.

npm config set registry https://registry.npmjs.org/ - Failed

npm config set registry https://registry.npmjs.com/ - Failed

npm config set registry http://registry.npmjs.org/ - Failed

npm config set registry http://registry.npmjs.com/ - Failed

npm cache clean - Failed

nslookup returns the following

pi@raspberrypi:~ $ nslookup registry.npmjs.org
Server:     8.8.8.8
Address:    8.8.8.8#53

Non-authoritative answer:
Name:   registry.npmjs.org
Address: 104.16.24.35
Name:   registry.npmjs.org
Address: 104.16.26.35
Name:   registry.npmjs.org
Address: 104.16.19.35
Name:   registry.npmjs.org
Address: 104.16.25.35
Name:   registry.npmjs.org
Address: 104.16.20.35
Name:   registry.npmjs.org
Address: 104.16.23.35
Name:   registry.npmjs.org
Address: 104.16.18.35
Name:   registry.npmjs.org
Address: 104.16.27.35
Name:   registry.npmjs.org
Address: 104.16.21.35
Name:   registry.npmjs.org
Address: 104.16.16.35
Name:   registry.npmjs.org
Address: 104.16.22.35
Name:   registry.npmjs.org
Address: 104.16.17.35
Name:   registry.npmjs.org
Address: 2606:4700::6810:1923
Name:   registry.npmjs.org
Address: 2606:4700::6810:1823
Name:   registry.npmjs.org
Address: 2606:4700::6810:1123
Name:   registry.npmjs.org
Address: 2606:4700::6810:1623
Name:   registry.npmjs.org
Address: 2606:4700::6810:1023
Name:   registry.npmjs.org
Address: 2606:4700::6810:1723
Name:   registry.npmjs.org
Address: 2606:4700::6810:1423
Name:   registry.npmjs.org
Address: 2606:4700::6810:1223
Name:   registry.npmjs.org
Address: 2606:4700::6810:1b23
Name:   registry.npmjs.org
Address: 2606:4700::6810:1523
Name:   registry.npmjs.org
Address: 2606:4700::6810:1323
Name:   registry.npmjs.org
Address: 2606:4700::6810:1a23

I have looked around for quite a bit and it seems like everyone fixes the issue by changing there registry. That doesn't work for me.

This is not a network issue. Below is from MacBook Pro same network.

username Project-Folder % npm install -g express

added 50 packages, and audited 51 packages in 2s

found 0 vulnerabilities

Thank you for any help you can offer.

This [answer](https://stackoverflow.com/a/73829204/1074998) to set `$NODE_OPTIONS` environment variable worked for me. — 林果皞, Mar 13 '23 at 19:37

score 2 · Answer 1 · answered Oct 26 '21 at 23:53

The issue ended up being that my local network didn't support IPv6, so I just needed to disable it on my raspberry pi and the issue was fixed.

To check if IPv6 is enabled.

use ifconfig

if it contains inet6 then IPv6 is enabled

to disable

sudo nano /etc/sysctl.conf

Add this to the end:

net.ipv6.conf.all.disable_ipv6=1
net.ipv6.conf.default.disable_ipv6=1
net.ipv6.conf.lo.disable_ipv6=1
net.ipv6.conf.eth0.disable_ipv6 = 1

sudo nano /etc/rc.local

Add this to the end (but before “exit 0”):

service procps reload

Reboot the Pi

sudo reboot

use ifconfig and look for inet6 if it doesn't appear then IPv6 is disabled

npm install express fails. ENETUNREACH Error

1 Answers1