查询根目录

du -ah --max-depth=1 /

查询特定目录

du -ah --max-depth=1 /usr/local/nginx/

RIVET
https://rivet.cloud/
Visit website to get API key

Alchemy
https://alchemyapi.io
Visit website to get API key

Infura
https://infura.io
Visit website to get API key

Moralis
https://moralis.io
Visit website to get API key

Flashbots Protect
https://flashbots.net5
https://rpc.flashbots.net

Cloudflare
https://cloudflare-eth.com

LinkPool
https://linkpool.io

QuickNode
https://quicknode.com

MyEtherWallet
https://myetherwallet.com

Ankr
https://ankr.com

MyCrypto
https://mycrypto.com

ArchiveNode
https://archivenode.io

Chainstack
https://chainstack.com/
Visit website to get API key

Flux
https://runonflux.io/
https://ethereumnodelight.app.runonflux.io

Omnia
https://omniatech.io/
Visit website to get API key

wget https://nodejs.org/dist/v16.16.0/node-v16.16.0-linux-x64.tar.xz


xz -d node-v16.16.0-linux-x64.tar.xz

tar xf node-v16.16.0-linux-x64.tar

mv node-v16.16.0-linux-x64 /usr/local/node-v16.16.0

ln -s /usr/local/node-v16.16.0/bin/node /usr/local/bin/node
ln -s /usr/local/node-v16.16.0/bin/npm /usr/local/bin/npm

vi /etc/profile


export NODEJS=/usr/local/node-v16.16.0
export PATH=$PATH:$NODEJS/bin

source /etc/profile