Please also see Update Submitty and Installation Version Notes.
Announce Upcoming System Outage
In advance of system updates or system maintenance, you may wish to announce the outage to your users. To do this, edit the
/usr/local/submitty/config/submitty.jsonfile adding/editing the
"system_message" : "We will have brief maintenance outage on Tuesday at 8am."
Update Your GNU/Linux Server
Below are simplified server update instructions for Ubuntu GNU/Linux. Follow best practices on frequency of updates and system maintenance.
Check your current kernel version
Update the Linux Kernel & Linux Packages
sudo apt-get update sudo apt-get upgrade
Reboot the server
Confirm that your kernel version has been updated appropriately