General Access Linux Systems in the FAB 55-17 Lab The FAB General Access Lab is in FAB 55-17 and contains a mixture of Windows and Linux systems. There are ten Dell computers in the lab (fab01-fab10) running Ubuntu Bionic with Intel Xeon CPU E3-1241 v3 @ 3.50GHz and 16GB of ram. All of [...]
CS Linux Labs The CS Linux Labs are in FAB 88-10 aka Linux lab A (Penguin lab) and Fab 88-09 aka Linux lab B (Particle lab). Currently, the desktop systems in the labs are Dell computers running Ubuntu Bionic. The Penguin lab has 27 computers with Intel Core i7-4770 CPU @ 3.40GHz and [...]
Shell Access to MCECS Linux Systems Users with MCECS Linux accounts may remotely access the general access Linux systems in the MCECS computer labs much like they would while on-campus, by using SSH. SSH clients are available for all major operating systems, including Windows, Mac OS X and, naturally, any *nix distribution. If [...]
Running X11 Applications Remotely NOTE: We do not support the software required to do this on your home computer or laptop. This is simply a guide to help get you started on your way. If there is some application that you can not run remotely, you need to use one of the [...]
Connecting to OpenVPN VPN stands for Virtual Private Network. Once you are connected, all web site traffic will be directed through PSU's VPN hardware, and it will appear that you are connected physically to PSU's network. This will allow you to use private MCECS services that require a connection to the PSU network, [...]
Scanning in Ubuntu Linux The CS Penguin Lab (FAB 88-10) has a scanner attached to ADELIE (its the computer that is not facing the board). These instructions assume you are using the default Gnome Shell. Step 1 After logging in to your account, press the linux start button or the button [...]
pip and Python virtual environments in Ubuntu You can install python packages with pip and make virtual environments to install different versions of them in different directories. python2 is default on Ubuntu 16.04, python3 is default on 18.04. We recommend you specify the version of python or pip (python3 program.py instead of python [...]
On December 27th, 2018, we switched CAT managed Linux workstations in our major computer labs to use an authentication/encryption system called Kerberos when accessing your files. This change is designed to significantly enhance the security of our file servers as they interact with these workstations. While most general users of these systems should not notice [...]
What’s different in a Kerberos environment? (Frequently Asked Questions) SSH keys will not work as expected when remotely logging in We recommend against using them for remote access to our lab and desktop Linux systems. (Note that SSH keys will continue to work for data center hosted remote access Linux [...]
Cron Jobs and Kerberos If at all possible run your cron jobs on server machines that don’t use Kerberos authentication. If your cron job expects access to something in your home directory, or some other NFS resource, (which is probably will) you need to make sure you have a valid kerberos ticket for [...]