title: EC2 openssh go back from 8.1 to 7.6
body: <p>To have my server certified PCI I update the openssh version from 7.6 which should be the default one on aws ec2 to 8.1 running the following commands</p>
  <pre><code>sudo apt-get update
  sudo apt install -y build-essential libssl-dev zlib1g-dev libpam0g-dev
  wget https://launchpad.net/ubuntu/+archive/primary/+files/openssh_8.1p1.orig.tar.gz
  tar -xvf openssh_8.1p1.orig.tar.gz
  cd openssh_8.1p1
  ./configure --prefix=/usr --sysconfdir=/etc/ssh --with-md5-passwords --with-privsep-path=/var/lib/sshd --with-pam
  sudo make install
  </code></pre>
  <p>Working great, running <code>ssh -V</code> I have</p>
  <pre><code>OpenSSH_8.1p1, OpenSSL 1.1.1  11 Sep 2018
  </code></pre>
  <p>But I do not really have the exact delay, a few days later the openssh version goes back to 7.6</p>
  <pre><code>OpenSSH_7.6p1 Ubuntu-4ubuntu0.5, OpenSSL 1.0.2n  7 Dec 2017
  </code></pre>