Getting the latest Vagrant & VirtualBox working together

Having trouble getting the latest Vagrant and VirtualBox working together because the ssh key is not acceptable to Vagrant?  Well it turns out that the ownership on authorized_keys is not 600 so it fails in operating systems like Centos.  The trick is to modify one of the files to add a chmod 0600 after the authorized_keys file has been updated.  Full information in the link:

https://github.com/mitchellh/vagrant/issues/7610

Upgrading a VMware 6.0 ESXi host fails with the error: Cannot run upgrade script on host

I had a problem in that updates were not successful on the cluster.  Many reports for the error message “Upgrading a VMware ESXi host fails with the error: Cannot run upgrade script on host” point to removing the FDM installation using the uninstall.sh

/opt/vmware/uninstallers/VMware-fdm-uninstall.sh

However I didn’t have the uninstallers directory on my ESX boxes. My solution was to enable HA on the cluster then removed HA on the cluster and after that updates worked fine.

OpenSSH MAC and Cipher Config

Ciphers aes128-ctr aes128-gcm@openssh.com aes192-ctr aes256-ctr aes256-gcm@openssh.com arcfour arcfour128 arcfour256 chacha20-poly1305@openssh.com
MACs hmac-ripemd160 hmac-ripemd160-etm@openssh.com hmac-ripemd160@openssh.com hmac-sha1 hmac-sha1-etm@openssh.com hmac-sha2-256 hmac-sha2-256-etm@openssh.com hmac-sha2-512 hmac-sha2-512-etm@openssh.com umac-128-etm@openssh.com umac-128@openssh.com umac-64-etm@openssh.com umac-64@openssh.com

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