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yadvr merged 1 commit into from
Sep 9, 2020
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releasenotes: add workaround for adding KVM hosts with latest openssh #146

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14 changes: 14 additions & 0 deletions source/releasenotes/about.rst
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Expand Up @@ -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
=======================================================

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