chown -R & chmod 777 & chmod +x

https://linux.die.net/man/1/chown

1. chown - change file owner and group

https://linux.die.net/man/2/chown

2. chown, fchown, lchown - change ownership of a file

https://www.geeksforgeeks.org/chown-command-in-linux-with-examples/

chown

MongoDB

# start service
$ mongod

# start mongodb REPL instance
$ mongo

$ sudo mkdir -P /data/db
$ whoami
# xgqfrms-mbp

# sudo chown -R ur/username /data/db
$ sudo chown -R xgqfrms-mbp /data/db

# list services
$ brew services list

$ brew services start mongodb
$ brew services stop mongodb

https://www.youtube.com/watch?v=GTuJ1p7gpx4

chmod 777 & chmod +x

#!/bin/sh

# echo "^-v-^ JSON DB is running in development env!" && npm run db

# echo "^-v-^ JSON DB is running in development env!" && nodemon -w ./server.js localhost 8888

JSONDB="nodemon -w ./server.js localhost 8888"

${JSONDB} &
# chmod +x db.sh
# sudo ./db.sh
# nodemon -w ./server.js localhost 8888

# /bin/sh db.sh

# ps -ef | grep node
# sudo kill -9 <PID>

https://www.cnblogs.com/xgqfrms/p/9546961.html

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