ssh key related commands:

Create ssh key:

az sshkey create -l centralus -g rg0x001 \
  --public-key "$(cat ~/.ssh/id_rsa.pub)" \
  --name dkoleary_ssh

Listing available keys:

$ az sshkey list --query [].[name,location,tags.desc] --output table
Column1       Column2    Column3
------------  ---------  ---------------
dkoleary_ssh  centralus  general use key