| Ubuntu Cloud 18.04 LTS | `ubuntu` | `ssh -l ubuntu <ipaddress>` | Ubuntu Cloud Image from the 18.04 Long Term Support release.|
| Ubuntu Cloud 20.04 LTS | `ubuntu` | `ssh -l ubuntu <ipaddress>` | Ubuntu Cloud Image from the 20.04 Long Term Support release.|
| Ubuntu 18.04 Xfce | `ubuntu` | [X2Go instructions](/anvil/connecting_to_linux_instances_using_x2go/) | Ubuntu 18.04 with the Xfce Desktop Environment pre-installed.|
| MySQL Server 5.5 | `centos`/`root` | `ssh -l centos <ip address>`/[MySQL instructions](/anvil/connecting_to_mysql) | CentOS 7 based image with a pre-configured MySQL (MariaDB) server. |
| MariaDB Server 10.5 | `centos`/`root` | `ssh -l centos <ip address>`/[MySQL instructions](/anvil/connecting_to_mysql) | CentOS 7 based image with a pre-configured MariaDB server. |
| MariaDB Server 10.5 | `centos`/`root` | `ssh -l centos <ip address>`/[MySQL instructions](/anvil/using_mysql) | CentOS 7 based image with a pre-configured MariaDB server. |