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UITS Home ยป Services ยป U-System

U-System

Overview

A U-System account, also known as a 'shell' account, can be obtained after creating a UA NetID. Once an account is created the U-System account allows access to UNIX resources for websites, utilities, compilers, and software applications such as graphics manipulation. 

Available To

UA faculty, students, and staff.

Costs

Currently, there is no charge for this service.

Primary Uses for a U-System Account
  • To develop and post webpages
  • To run programs like utilities and compliers in a Linux/Unix environment -- see a full list of software and utilities available. Also, we invite you to visit the UA Research Computing website. 
Creating a Web Page

  • Once you have successfully connected to the U-System, you will see a command prompt.
  • Issue the following commands to set up a basic web page: 
    mkdir ~/public_html
chmod a+x ~/. ~/public_html
echo '<html><body>this is my web page</body></html>' > public_html/index.html
chmod a+r public_html/index.html
  • Your webpage can now be viewed at www.u.arizona.edu/~username.
General Info
  • Each U-System account has an allocation of 500MB of disk space. You can use the command 'quota -s' for information about your usage; number of files is not limited.
Getting Started
How to Get a U-System Account
  • Create a NetID if you do not already have one
  • Go to the Account Program
  • Select U-System Account
How to Connect
  • Download a free *SSH client from the Software License website if you do not already have one
  • Run the program that you downloaded
  • Host Name: u.arizona.edu
  • Port Number: 22
  • Select either SFTP or SSH, depending on which is available
  • Username: your NetID
  • Password: your NetID password
  • Try to connect

*SSH is the required way to connect with the U-System. SSH uses encryption to prevent eavesdroppers from reading information, such as your password, from the network. All SSH-type software allows for secure communication and file transfers, replacing the vulnerable utilities like telnet, rlogin, ftp and rcp. 

Support or Assistance
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