How to upgrade the step-ssh utilities on an existing host

Step 1: SSH to your host as a user with root access. (Keep the hostname handy, you will need it later)
ssh <hostname>

Step 2: Run all steps as the root user.
sudo su

Step 3: Install the latest step-ssh utilities  Install on Ubuntu & Debian (DEB package)

• curl -LO <https://dl.step.sm/s3/ssh/docs-ssh-host-step-by-step/step-ssh_latest_amd64.deb> && dpkg -i step-ssh_latest_amd64.deb

  Install on CentOS or Amazon Linux 2 (RPM package)

• curl -LO "<https://dl.step.sm/s3/ssh/docs-ssh-host-step-by-step/step-ssh_latest_x86_64.rpm>" && yum -y install step-ssh_latest_x86_64.rpm

Step 4: Activate the PAM/NSS Modules & HUP SSHD

export hostname="[hostname]"
step-ssh activate "$hostname"