If you see this error: " Remote image.When starting a new Labtainer, if you see an error such as "No JSON object could be decoded", try updating your installation (per above).The CyberCIEGE lab on VirtualBox running on OSX Catalina is not usable due to mouse problems as described here.If labs are unable to reach the Internet, e.g., to ping google, and you are connected to a VPN, try disconnecting the VPN.Resizing the window, or closing it (e.g., via Esc) and then reopening it will usually force the window to repaint. GUI windows may sometimes display as solid black boxes.Get updates by running update-labtainer.sh (These include fixes to student and instructor environments.).Ubuntu 22 and other recent Linux distributions having systemd 248 and later will not work with Labtainers.If it does not, you may need to reboot your VM. On the VM, an ls -l /tmp/.X11-unix should display a socket named "X0".
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