Multiple Errors when attempting to install

[danindiana]

npm-debug.txt

sudo npm install blockchain-cli -g
/usr/local/bin/blockchain -> /usr/local/lib/node_modules/blockchain-cli/main.js

wrtc@0.0.62 install /usr/local/lib/node_modules/blockchain-cli/node_modules/wrtc
node-pre-gyp install --fallback-to-build

node-pre-gyp ERR! Tried to download(undefined): https://node-webrtc.s3.amazonaws.com/wrtc/v0.0.62/Release/node-v57-linux-x64.tar.gz
node-pre-gyp ERR! Pre-built binaries not found for wrtc@0.0.62 and node@8.4.0 (node-v57 ABI) (falling back to source compile with node-gyp)
gyp ERR! configure error
gyp ERR! stack Error: EACCES: permission denied, mkdir '/usr/local/lib/node_modules/blockchain-cli/node_modules/wrtc/build'
gyp ERR! System Linux 3.13.0-129-generic
gyp ERR! command "/usr/local/bin/node" "/usr/local/lib/node_modules/node-gyp/bin/node-gyp.js" "configure" "--fallback-to-build" "--module=/usr/local/lib/node_modules/blockchain-cli/node_modules/wrtc/build/wrtc/v0.0.62/Release/node-v57-linux-x64/wrtc.node" "--module_name=wrtc" "--module_path=/usr/local/lib/node_modules/blockchain-cli/node_modules/wrtc/build/wrtc/v0.0.62/Release/node-v57-linux-x64"
gyp ERR! cwd /usr/local/lib/node_modules/blockchain-cli/node_modules/wrtc
gyp ERR! node -v v8.4.0
gyp ERR! node-gyp -v v3.6.2
gyp ERR! not ok
node-pre-gyp ERR! build error
node-pre-gyp ERR! stack Error: Failed to execute '/usr/local/bin/node /usr/local/lib/node_modules/node-gyp/bin/node-gyp.js configure --fallback-to-build --module=/usr/local/lib/node_modules/blockchain-cli/node_modules/wrtc/build/wrtc/v0.0.62/Release/node-v57-linux-x64/wrtc.node --module_name=wrtc --module_path=/usr/local/lib/node_modules/blockchain-cli/node_modules/wrtc/build/wrtc/v0.0.62/Release/node-v57-linux-x64' (1)
node-pre-gyp ERR! stack at ChildProcess. (/usr/local/lib/node_modules/blockchain-cli/node_modules/node-pre-gyp/lib/util/compile.js:83:29)
node-pre-gyp ERR! stack at emitTwo (events.js:125:13)
node-pre-gyp ERR! stack at ChildProcess.emit (events.js:213:7)
node-pre-gyp ERR! stack at maybeClose (internal/child_process.js:927:16)
node-pre-gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:211:5)
node-pre-gyp ERR! System Linux 3.13.0-129-generic
node-pre-gyp ERR! command "/usr/local/bin/node" "/usr/local/lib/node_modules/blockchain-cli/node_modules/.bin/node-pre-gyp" "install" "--fallback-to-build"
node-pre-gyp ERR! cwd /usr/local/lib/node_modules/blockchain-cli/node_modules/wrtc
node-pre-gyp ERR! node -v v8.4.0
node-pre-gyp ERR! node-pre-gyp -v v0.6.36
node-pre-gyp ERR! not ok
Failed to execute '/usr/local/bin/node /usr/local/lib/node_modules/node-gyp/bin/node-gyp.js configure --fallback-to-build --module=/usr/local/lib/node_modules/blockchain-cli/node_modules/wrtc/build/wrtc/v0.0.62/Release/node-v57-linux-x64/wrtc.node --module_name=wrtc --module_path=/usr/local/lib/node_modules/blockchain-cli/node_modules/wrtc/build/wrtc/v0.0.62/Release/node-v57-linux-x64' (1)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! wrtc@0.0.62 install: node-pre-gyp install --fallback-to-build
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the wrtc@0.0.62 install script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR! /home/speed/.npm/_logs/2017-09-06T13_24_14_797Z-debug.log

OS: ubuntu Ubuntu 14.04 trusty
Kernel: x86_64 Linux 3.13.0-129-generic
Uptime: 3h 1m
Packages: 4247
Shell: bash 4.3.11
Resolution: 1920x1080
DE: Gnome 3.9.90
WM: GNOME Shell
WM Theme: Adwaita
Radiance [GTK2]
, Radiance [GTK3]
Icon Theme: elementary-xfce-darker
Font: Cantarell 11
CPU: AMD FX-8350 Eight-Core @ 4GHz
GPU: GeForce GTX 750 Ti
RAM: 5535MiB / 24011MiB

[0xs34n]

can you try this?
https://docs.npmjs.com/getting-started/fixing-npm-permissions

[M-ZubairAhmed]

i faced the same issue but then i cloned the repo and ran the application

Hi,
follow this link to download a problem-free version.
https://github.com/anders94/blockchain-demo/