The Computer Science OpenStack Cluster’s networking runs using a Private IPv4 subnet, this means that external networkĪccess (Internet) it’s not allowed directly to the VMs, and this protects the VMs further from internet attacks, etc., Make sure you don’t expose any sensitive or private information from your application (the one listening on the network port) This setting and many more can be configured in an sshĬonfiguration file an example is included below.Ĭreating a firewall rule could lead to unauthorized access to non-secured applications that are listening on a socket. Now you can run graphical applications on your VM and see them on Receive forwarded X Windows connections over SSH, add -Y as a flag to the If you are connecting from a machine running an X server able to SSH has the advantages of speed and accessibility, but it lacks a graphical user The check and create a new entry for your VM. Is the line we need to remove from that text file, in this way our ssh client will not fail Then it’s safe to edit the file (in this case) /Users/username/.ssh/known_hostsĪnd as can be seen line 1 ( Offending ECDSA key in /Users/username/.ssh/known_hosts:1) Of the semester, if this happens the first time you are connecting to it This is normally due to the fact that your VM was recreated at the start Offending ECDSA key in /Users/username/.ssh/known_hosts:1 ECDSA host key for linkblue.cs.uky.edu has changed and you have requested strict checking. Add correct host key in /Users/username/.ssh/known_hosts to get rid of this message. Please contact your system administrator. The Uninstall-Software.ps1 script we offer to the community can be used to uninstall a software based on it’s DisplayName.WARNING: POSSIBLE DNS SPOOFING DETECTED! The ECDSA host key for linkblue.cs.uky.edu has changed, and the key for the corresponding IP address 172.31.112.111 is unknown.Create your own script to uninstall the Free Version of NoMachine and use that as a custom PreInstall Script for NoMachine Enterprise Desktop.Use the Right-Click customization option to Manage custom pre/post scripts.Use a custom script to uninstall the Free Version.When NoMachine Enterprise Edition will install, the Free Version app will run first to uninstall it, and once complete, the Enterprise Edition app will run the install.Edit the Enterprise Edition of NoMachine and set it to supersede with uninstall the Free Version.Create the ConfigMgr app / IntuneApp for the Free Version.Deploy the update of the Free Version to that device to make sure the latest version of the Free edition is installed.
The resolution would be to make sure that the Free Version of NoMachine is uninstalled before the Enterprise Version is installed.
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