how to create mongodb keyfile in linux


 description

Generate the mongodb-keyfile file in linux,
ps: Need to set up user groups and permissions
  sudo chmod 600 mongodb-keyfile
  sudo chown 999 mongodb-keyfile

 command

openssl rand -base64 666 > mongodb-keyfile

 parameter

openssl: is a powerful, commercial-grade and full-featured toolkit for Transport Layer Security (TLS) and Secure Socket Layer (SSL) protocols
rand: Generate random bytes of the specified length, here set to 666
-base64: code signing

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