Linux

A series of tutorial-style pages or notes of importance for some Linux software offerings found on our supported systems.

Printing over SSH using LPR 1. Open a terminal (by default, ctrl+alt+t) and ssh into your preferred CECS *nix machine (e.g. ada.cs.pdx.edu ): 2. Once you see a prompt, it's as simple as invoking lpr: lpr -P $PRINTER $DOCUMENT 3. To get a list of all available printers, use: lpstat -a NOTE: You [...]

Connecting using VNC from a Linux computer to a Linux server VNC allows you to remotely start a desktop environment on a computer, and interact with that desktop from your local machine. Unfortunately, VNC doesn't have built-in encryption, which means that all information sent through VNC can be caught by dubious third parties. [...]

Mosh (Mobile Shell) for dealing with intermittent connections What is Mosh useful for? Sometimes you are in an environment where network connectivity is flakey or intermittent, or you end up moving between different wireless access points that don't support transparently roaming between them without changing your ip address. In these cases your SSH [...]

SSH Port Forwarding On Linux systems it is common to use SSH to forward ports between two hosts. This short tutorial will introduce the -L, -R, and -D flags to ssh. Wherever "mo.ece.pdx.edu" is listed, one can also use any other Linux host in MCECS. If you are attempting to port-forward to [...]

This guide will help you get connected to the PSU Secure WiFi using GUI Linux. Please ensure your Linux version is up to date. MCECS credentials are not supported for PSU Secure. You must use your Odin Account credentials. Using GUI Linux Go to the Notification area of your Panel, and choose "PSU Secure". [...]

As a student or employee of MCECS, you have access to Windows and Linux computers within the school, and your personal files are available on both of these operating systems. Having a basic understanding of how your files are stored on our systems will help you be successful in our computing environment. This guide describes [...]

Automated killing of X/VNC Sessions Linux Lab Workstations Our automated termination of idle VNC/X sessions has been in place for many years. As of Fall 2016, we also introduced automatic termination of Linux workstation logins deemed to be idle. NOTE: This only applies to our Linux users with graphical sessions. Regular [...]

Accessing Windows Shares from Linux Via Graphical Interface To access it through the graphical user interface in Ubuntu click on the files icon. Then in the location bar, type sftp://winsftp.cecs.pdx.edu. Then click on HomeXX (example Home02). Via Command Line To access it through the command line, you can use [...]