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npm install ?

npm install,

Solutions

NewRecommended 

rm -rf node_modules package-lock.json
npm cache clean --force
npm install

node_modules and lock, New.

:,

npm config set registry https://registry.npmmirror.com
npm install

,.

: network, timeout, ECONNRESET

npm install --legacy-peer-deps

npm 7+ peer dependencies, --legacy-peer-deps.

: ERESOLVE, peer dep, conflicting

# 1: npm mkdir ~/.npm-global
npm config set prefix '~/.npm-global'
# ~/.npm-global/bin PATH # 2: nvm Node
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.0/install.sh | bash

EACCES, Recommended nvm Node npm prefix.

: EACCES, permission denied