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Infrastructure before migration:
| Server | OS | Role | CPU | RAM | HDD |
|---|---|---|---|---|---|
| gateway | CentOS 9 | Firewall with port forwardings, redirects and http proxy | 2vCPU | 4GB | 16GB |
| db | CentOS 9 | MySQL and PostgreSQL server | 2vCPU | 4GB | 25GB |
| oc | CentOS 9 | OwnCloud server | 2vCPU | 2GB | 16GB |
| web | CentOS 9 | Apache http with PHP 8 | 2vCPU | 4GB | 16GB |
| web-legacy | CentOS 9 | Apache http with PHP 7 | 2vCPU | 4GB | 16GB |
| gitlab | CentOS 9 | GitLab | 2vCPU | 6GB | 16GB |
| puppet | CentOS 9 | Puppet server | 2vCPU | 4GB | 16GB |
| ns1 | CentOS 9 | Bind9 main server for owned domains | 2vCPU | 2GB | 16GB |
| ns2 | CentOS 9 | Bind9 backup server for owned domains | 2vCPU | 2GB | 16GB |
| jenkins | CentOS 9 | Jenkins CI server | 2vCPU | 4GB | 16GB |
| repo | CentOS 9 | Apache http rpms server | 2vCPU | 4GB | 16GB |
| vpn | CentOS 9 | OpenVPN server | 2vCPU | 2GB | 16GB |
| mx | CentOS 9 | Posfix, Dovecot MTA server | 2vCPU | 4GB | 16GB |
| nagios | CentOS 9 | Nagios monitoring server | 2vCPU | 2GB | 16GB |
| admin | CentOS 9 | Administration server | 2vCPU | 2GB | 16GB |
| ldap | CentOS 9 | OpenLDAP server | 2vCPU | 2GB | 16GB |
| k8s | CentOS 9 | Kubernetes control-plane server | 2vCPU | 2GB | 16GB |
| k8s-node | CentOS 9 | Kubernetes worker node | 2vCPU | 2GB | 16GB |
| nas | Debian 10 | Office NAS server with backups | 2CPU | 8GB | 1TB |
Infrastructure before migration diagram
Infrastructure after migration:
| Server | OS | Role | CPU | RAM | HDD |
|---|---|---|---|---|---|
| gateway | CentOS 9 | Firewall with port forwardings, redirects and http proxy | 2vCPU | 4GB | 16GB |
| dbs | Gentoo | MySQL and PostgreSQL server | 2vCPU | 4GB | 25GB |
| git | Debian 12 | GitLab repos, docker registry, Gitlab CI | 3vCPU | 6GB | 50GB |
| puppet | CentOS 9 | Puppet master | 2vCPU | 4GB | 16GB |
| ns1 | CentOS 9 | Bind9 main server for owned domains | 2vCPU | 2GB | 16GB |
| ns2 | CentOS 9 | Bind9 backup server for owned domains | 2vCPU | 2GB | 16GB |
| worker1 | Gentoo | Builder machine used for distcc and as jenkins worker | 8vCPU | 6GB | 25GB |
| worker2 | Gentoo | Builder machine used for distcc and as jenkins worker | 8vCPU | 6GB | 25GB |
| webserver | Gentoo | Apache http server for all services and sites | 2vCPU | 4GB | 16GB |
| mx | CentOS 9 | Posfix, Dovecot MTA server | 2vCPU | 4GB | 16GB |
| nagios | CentOS 9 | Nagios monitoring server | 2vCPU | 2GB | 16GB |
| ldap | CentOS 9 | OpenLDAP server | 2vCPU | 2GB | 16GB |
| k8s | CentOS 9 | Kubernetes control-plane server | 2vCPU | 2GB | 16GB |
| k8s-node | CentOS 9 | Kubernetes worker node | 2vCPU | 2GB | 16GB |
| rh9 | RedHat 9 | Server for training before RHCSA and RHCE certification | 2vCPU | 2GB | 16GB |
| rh10 | RedHat 10 | Server for training before RHCSA and RHCE certification | 2vCPU | 2GB | 16GB |
| nas | Gentoo | Office NAS server with backups and MacOS X timemachines | 2CPU | 8GB | 1TB |
Infrastructure after migration diagram
