Error: failed to fetch from registry: debug

http://stackoverflow.com/questions/12913141/message-failed-to-fetch-from-registry-while-trying-to-install-any-module

Error: failed to fetch from registry: debug

sudo apt-get purge nodejs npm

curl -sL https://deb.nodesource.com/setup | sudo bash -
sudo apt-get install -y nodejs

sudo: unable to resolve host

https://blog.longwin.com.tw/2008/11/linux-sudo-unable-to-resolve-host-2008/

/etc/hosts 原始內容

##################################################################################################################################################################

127.0.0.1       localhost

# The following lines are desirable for IPv6 capable hosts
::1     localhost ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts

##################################################################################################################################################################

127.0.0.1       localhost dev
# 或 改成下面這兩行
#127.0.0.1       localhost
#127.0.0.1       dev

# The following lines are desirable for IPv6 capable hosts
::1     localhost ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts

check show used port linux

sudo lsof -i
sudo netstat -lptu
sudo netstat -tulpn

ps -fp 1289

sudo netstat -plnt | grep ':80'

ufw, firewall ubuntu, uncomplicated firewall

sudo ufw disable

sudo ufw enable

sudo ufw status verbose

Even if error occurs, you can check that ufw is running.

sudo ufw status verbose

sudo service ufw status

ubuntu : changing nodejs -> node

from: http://stackoverflow.com/questions/18130164/nodejs-vs-node-on-ubuntu-12-04

sudo ln -s `which nodejs` /usr/bin/node

mongo error Failed global initialization: BadValue Invalid or no user locale set. Please ensure LANG and/or LC_* environment variables are set correctly.

 Failed global initialization: BadValue Invalid or no user locale set. Please ensure LANG and/or LC_* environment variables are set correctly.


solution:

export LC_ALL=C




mongo --version

from:
http://askubuntu.com/questions/536875/error-in-installing-mongo-in-virtual-machine/537324

MEAN install ubuntu

2016/4/13

from:
https://docs.mongodb.org/manual/tutorial/install-mongodb-on-ubuntu/

mongodb:

sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv EA312927

echo "deb http://repo.mongodb.org/apt/ubuntu trusty/mongodb-org/3.2 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.2.list

sudo apt-get update

sudo apt-get install -y mongodb-org