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-SSH and GPG public keys for Tétras Libre collaborators
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+SSH and GPG public keys for Tétras Libre collaborators
+
+# List GPG key : 
+
+`gpg --list-keys`
+
+# Edit confidence a key : 
+
+`gpg --edit-key <keyName>`
+
+# Change confidence :
+
+`trust`
+
+Answer the response to add the confidence `5 - ultimate`. Use `quit` to leave.