The Apache Software Foundation (ASF) has version 4. 15 of their IaaS software (Infrastructure as a Service) CloudStack released. The update is a so-called LTS release with an extended support period (long-term support). Since the release of CloudStack 4. 04 according to ASF, the open source software for creating cloud infrastructures has been about Improvements have been incorporated and 15 new ones Features added – including a modernized user interface.

Renovated surface From CloudStack 4. 15 comes via the URL : 8080 / client uses the new, revised user interface by default, which is now generally available (general availability). The previous legacy UI remains for the time being via : 8080 / client / legacy and will also be used in production environments supported. However, it is already marked as out of date (deprecated) and should be dropped with the release of CloudStack 4. 16.

New in the release is the integration of the VNC console (Virtual Network Computing) noVNC for virtual machines (VM). Another new Websocket Proxy allows interaction with the VNC console, ConsoleProxyClient is used to read and write data during communication between VM and Websocket. The console developed on the basis of noVNC 1.1.0 has been tested on various platforms – including KVM, Ubuntu, CentOS and VMware 6.5.

Workaround for new KVM Hosts CloudStack 4 supports management servers and KVM hosts. 15 now CentOS8 and Ubuntu 20. 04. However, users should note that an End-of-Life (EoL) has already been announced for CentOS8 at the end of the year. When adding new KVM hosts, users of some GNU / Linux distributions must also be aware of a problem associated with the latest OpenSSH package. Due to a lack of support in the trilead-ssh library used by CloudStack, individual SSH algorithms and encryption methods do not work correctly. Therefore, a workaround is currently necessary before adding new KVM hosts. The following lines must be added to / etc / ssh / sshd_config of the KVM host and then the SSH server restarted:

PubkeyAcceptedKeyTypes = + ssh-dss HostKeyAlgorithms = + ssh-dss KexAlgorithms = + diffie-hellman-group1-sha1 Among the other new features in CloudStack 4. 15 are to be mentioned, the support for role-based users in projects, extended storage functions from VMware (vSAN, vVols, VMFS6, Datastore Clusters), PVLAN for L2 networks as well Support for XCP-ng 8.1 and MySQL 8. A complete overview of all round 20 improvements and new functions can be found in the release notes. CloudStack 4. 15 is now available for free download under the Apache license 2.0.

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