This machine might get overloaded during the semester so you should avoid it. For a list of Virtual Machines, see below. You can log into those via SSH or virtual desktops (probably especially useful for the Windows users among you).
For general knowledge about the CCIS Systems world, see their knowledge base page. If you are unfamiliar with Linux, you may wish to peruse the following parts of the page:
the topics below the Unix/Linux tab (bottom of the page),
the virtual machine (VM) tab, and
the networking tab for how to log into VMs.
Systems just now (Friday 8 September, evening) informed us of the availability of new Linux machines: linux-075.khoury.northeastern.edu, ..., linux-086.khoury.northeastern.edu, ... for all numbers between 75 and 86 (inclusive).
Using VDI for GUI apps on the Linux Cluster:
Systems just now (Friday 8 September, evening) informed us that the VDI machines are decommissioned as of this week.
The College supports remote access to a GUI environment on Linux via VDI Desktops. In principle, this page suffices but read the notes below to get directly to the point: