/var/www/html/
cd bitcoin-abc-0.21.8/
ls
cd bin
./start.sh
enter
nano nohup.out
to check block synch
mkdir /bch
chmod 777 /bch
nano nohup.out
./start.sh
ls
nano nohup.out
cd ..
cd bitcoin-0.20.0/
cd bin
./start.sh
nano nohup.out
cd ..
cd litecoin-0.17.1/bin
./start.sh
cd dogecoin-1.14.2/bin/
./start.sh
after node synch ,change infomation RPCUSER RPCPASSWORD in file start.sh on each coin
for eth
/var/www/html/geth-linux-amd64-1.9.15-0f77f34b
./start.sh
npm install -g pm2

enter at var/www/html
pm2 start web3.js