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Error trying to deploy canvacord to herkou

sh: 1: node-pre-gyp: Permission denied
The app compiles and works well locally, so i'm pretty sure it's something with the deployment settings.
Here is the full error:
sh: 1: node-pre-gyp: Permission denied
npm ERR! code ELIFECYCLE
npm ERR! errno 126
npm ERR! canvas#2.6.1 install: `node-pre-gyp install --fallback-to-build`
npm ERR! Exit status 126
npm ERR!
npm ERR! Failed at the canvas#2.6.1 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! /tmp/npmcache.PnhI1/_logs/2020-08-01T15_10_47_770Z-debug.log

you can follow this wiki https://github.com/Automattic/node-canvas/wiki/Installation:-Heroku for node-canvas/canvacord installation on Heroku.

Running react-native apps on iOS emulators

So I am trying to run a simple react-native app on an iPhone 11 - 13.2.2 emulator.
I type npm run ios but I get this back.
** BUILD FAILED **
The following build commands failed:
CompileC /Users/theodosiostziomakas/Desktop/React-Native/confusion/ios/build/confusion/Build/Intermediates.noindex/confusion.build/Debug-iphonesimulator/confusion.build/Objects-normal/x86_64/AppDelegate.o /Users/theodosiostziomakas/Desktop/React-Native/confusion/ios/confusion/AppDelegate.m normal x86_64 objective-c com.apple.compilers.llvm.clang.1_0.compiler
CompileC /Users/theodosiostziomakas/Desktop/React-Native/confusion/ios/build/confusion/Build/Intermediates.noindex/confusion.build/Debug-iphonesimulator/confusion.build/Objects-normal/x86_64/main.o /Users/theodosiostziomakas/Desktop/React-Native/confusion/ios/confusion/main.m normal x86_64 objective-c com.apple.compilers.llvm.clang.1_0.compiler
(2 failures)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! # ios: `react-native run-ios`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the # ios 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! /Users/theodosiostziomakas/.npm/_logs/2019-11-16T12_38_06_754Z-debug.log
I used npm install but still nothing. How to fix that error?
Thanks,
Theo.

alternatively you can run from the workspace file, sometimes running from npm in ios will not give you the exact error.
You have to run the following file in your workspace and select the simulator/iphone and finally launch the project.
Path to the workspace :- ProjectFolder/ios/projectname.xcworkspace

Using reactNative with GitHub and mixing between MAC and PC?

Someone how has got problems when using reactNative with GitHub and mixing between MAC and PC? We got problems when cloning a repository
After typing npm start we get following error message...
react-native-scripts start
sh: /Users/juliafalk/Desktop/J3/node_modules/.bin/react-native-scripts: Permission denied
npm ERR! code ELIFECYCLE
npm ERR! errno 126
npm ERR! J3#0.1.0 start: react-native-scripts start
npm ERR! Exit status 126
npm ERR!
npm ERR! Failed at the J3#0.1.0 start 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! /Users/juliafalk/.npm/_logs/2018-03-28T07_09_02_393Z-debug.log
student251-74:J3 juliafalk$
This only occurs between MAC and PC and not between MAC and MAC or PC and PC.... Anyone that have had the same problem and that have any solutions for this??

Error when using npm vue-cli

Windows 10
node v8.9.2
npm 5.5.1
installed vue-cli through the use of npm but entering 'npm run dev' resulted in an error.
this is error message
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! webpack-simple#1.0.0 dev: `cross-env NODE_ENV=development webpack-dev-server --open --hot`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the webpack-simple#1.0.0 dev 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! C:\Users\hansol\AppData\Roaming\npm-cache\_logs\2017-12-08T04_14_50_859Z-debug.log

It appears as though you havent installed the node modules / dependencies.
Please try and run a
npm install
And see if that works

I used to face this problem when the port is busy.
So confirm the port you are opening for the dev server.
you can also change the port using a flag "--port 3000".

Installing Inotify with NPM

I'm quite new to nodeJS and I'm trying to install a package called inotify using the Node Package Manager (NPM).
After installing NPM (on OSX Lion), I tried to install inotify with the command:
sudo npm install inotify
And I get the following error:
npm http GET https://registry.npmjs.org/inotify
npm http 304 https://registry.npmjs.org/inotify
> inotify#0.2.2 install /usr/local/lib/node_modules/inotify
> node-waf configure build
Checking for program g++ or c++ : /usr/bin/g++
Checking for program cpp : /usr/bin/cpp
Checking for program ar : /usr/bin/ar
Checking for program ranlib : /usr/bin/ranlib
Checking for g++ : ok
Checking for node path : not found
Checking for node prefix : ok /usr/local/Cellar/node/0.6.6
Checking for program node : /usr/local/bin/node
Checking for function inotify_init : not found
/usr/local/lib/node_modules/inotify/src/wscript:11: error: the configuration failed (see '/usr/local/lib/node_modules/inotify/build/config.log')
npm ERR! error installing inotify#0.2.2
npm ERR! inotify#0.2.2 install: `node-waf configure build`
npm ERR! `sh "-c" "node-waf configure build"` failed with 1
npm ERR!
npm ERR! Failed at the inotify#0.2.2 install script.
npm ERR! This is most likely a problem with the inotify package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR! node-waf configure build
npm ERR! You can get their info via:
npm ERR! npm owner ls inotify
npm ERR! There is likely additional logging output above.
npm ERR!
npm ERR! System Darwin 11.2.0
npm ERR! command "node" "/usr/local/bin/npm" "install" "-g" "inotify"
npm ERR! cwd /Users/username/code
npm ERR! node -v v0.6.6
npm ERR! npm -v 1.1.4
npm ERR! code ELIFECYCLE
npm ERR! message inotify#0.2.2 install: `node-waf configure build`
npm ERR! message `sh "-c" "node-waf configure build"` failed with 1
npm ERR! errno {}
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR! /Users/username/code/npm-debug.log
npm not ok
Can someone help me out with this

The inotify module won't build because it can't find inotify_init. This is because inotify is not available on OS X.
The FSEvents API on OS X provides similar functionality, but it's a completely different API. The inotify module is not going to work in this situation.
Depending on what you are trying to do, fs.watch might suit your needs. It abstracts away platform differences:
On Linux systems, this uses inotify.
On BSD systems (including OS X), this uses kqueue.
On SunOS systems (including Solaris and SmartOS), this uses event ports.
On Windows systems, this feature depends on ReadDirectoryChangesW.