TLDR
Enter a command. For example: valet, arch, m, vpnd, airportd, wc.

security

 
Administer Keychains, keys, certificates and the Security framework. More information: https://ss64.com/osx/security.html.
 
  • List the available keychains:
     
    security list-keychains
     
  • Delete a specific keychain:
     
    security delete-keychain {{path}}
     
  • Create a keychain:
     
    security create-keychain -p {{password}} {{keychain.name}}
     
  • Set a certificate to use with a website or [s]ervice by its [c]ommon name (fails if several certificates with the same common name exist):
     
    security set-identity-preference -s {{URL|hostname|service}} -c "{{common_name}}" {{path/to/file.keychain}}
     
  • Add a certificate from file to a [k]eychain (if -k isn't specified, the default keychain is used):
     
    security add-certificates -k {{keychain.name}} {{path/to/file.pem}}

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