The site/s is/are currently hosted on 1 server (Lunetikk). I own 3 root servers, the 2 identical servers (Kryptikk + Lunetikk_new) will become a cluster.

Processor: Intel® vCore
Processorcores: 2 virtual
Memory DDR 3 ECC: 6 GB
Harddrive: 120 GB SSD

Processor: Intel® Xeon® Gold 6140
Processorcores: 4 dedicated
Memory DDR 4 ECC: 16 GB
Harddrive: 60 GB SSD

Processor: Intel® Xeon® Gold 6140
Processorcores: 4 dedicated
Memory DDR 4 ECC: 16 GB
Harddrive: 60 GB SSD

All 3 server are running Ubuntu 16.04.06 LTS

• Icinga2
• Apache2
• MySQL
• Matomo/Piwik
• Certbot
• Postfix
• Fail2Ban
• OpenVPN
• ownCloud
• security stuff…

Im going to create a cluster, making the important tools high available.

• Set up MySQL replication
• Get websites to both servers
• Set up Icinga2 Cluster for HA
• Fail2Ban Cluster? Share banned IPs between hosts?
• Postfix HA
• OpenVPN HA
• Certbot HA (share Certs between hosts)