How to generate a SSH key on macOS or Mac OS X
You're going to need to use your Terminal app on Mac to do this. What you are doing is creating a pair of key files - a private key, which you should never give anyone and should keep private, and a public key which can be given out. This public key can be used to authenticate over SSH on your Linux server.
- Launch Terminal (or another terminal app such as iTerm2 if you have it)
- Enter the following command in the Terminal window:
ssh-keygen -t rsa
- Press Enter to accept the default location.
- Enter a passphrase to unlock your private key. You can press enter to skip this, but it is not recommended as anyone can use your private key without a password!
- Enter the passphrase again to confirm and press enter.
Your identification has been saved in /Users/user/.ssh/id_rsa. Your public key has been saved in /Users/user/.ssh/id_rsa.pub. The key fingerprint is: SHA256:yT0K11Tks8tmk+P/n1VKg2MDNhBpihz64decUiyR8fs email@example.com The key's randomart image is: +---[RSA 3072]----+ | .ooo .o | | . o.o. o | | o o =. = o | | . + o.oB o + | | o ..=S.+ * o .| | o oo+o + * o.| | . .. E O . .| | + o o| | ...o+| +----[SHA256]-----+Your private key is saved to the
id_rsafile in the
.sshdirectory and is used to verify the public key you use. Never share your private key! Treat it as you would a password. Your public key is saved to the
id_rsa.pubfile and is the key you'll upload to your server or provide NodeSpace support. You can copy this key to your clipboard by running:
pbcopy < ~/.ssh/id_rsa.pub
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