diff --git a/source/releasenotes/about.rst b/source/releasenotes/about.rst index 21a46715b6..56359a9c9c 100644 --- a/source/releasenotes/about.rst +++ b/source/releasenotes/about.rst @@ -61,6 +61,20 @@ Libvirt Python Dependency on KVM and CentOS For CentOS users using the security groups feature on KVM it is needed to install the epel-release and python36-libvirt packages. +Workaround for adding newer KVM hosts +===================================== + +Newer GNU/Linux distributions with latest OpenSSH package disables some older +SSH algorithms and ciphers and newer algorithms are not supported by trilead-ssh +library used by CloudStack to SSH into KVM hosts during the host-add operation. +Until the dependency library can support that users can use the following +workaround in their KVM host's /etc/ssh/sshd_config and restart ssh server +before adding the KVM host in CloudStack: + + PubkeyAcceptedKeyTypes=+ssh-dss + HostKeyAlgorithms=+ssh-dss + KexAlgorithms=+diffie-hellman-group1-sha1 + New User Interface & Depreciation notice of existing UI =======================================================