Security

Create an encrypted backup of a directory on MacOS

tar -czvf backup.tar.gz [path]
openssl enc -aes-256-cbc -md sha512 -pbkdf2 -salt \
    -in backup.tar.gz \
    -out backup.enc
openssl enc -aes-256-cbc -md sha512 -pbkdf2 -salt -d \
    -in backup.enc \
    -out backup.tar.gz

cache ssh credentials

eval $(ssh-agent)
ssh-add

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Bruce Schneier @schneierblog