Ucf vpn cisco

Eustis Basics Dr. Y. Chu CIS3360: Security in Computing 0R02 Spring 2018

1

Objectives

Eustis basics

Login information

Supported programming languages

Recommended software

SSH

File transfer

Access to Eustis

On campus and off campus

Basic operations on Eustis

Demo

2

Basic Information

Eustis server – department Unix server

eustis.eecs.ucf.edu

Login username: your UCF NID

Login password: your NID password

Support ssh (Secure Shell)

Do not support telnet for security reason

Eustis is on campus network only, no public access

If you are on campus network, you can connect to it directly

If you are off campus, you have to use VPN

Eustis help page: http://newton.i2lab.ucf.edu/wiki/Help:Eustis

3

Eustis for This Course

Support multiple programming languages

C (gcc)

C++ (g++)

Java

More

Eustis is required for all programming assignments

Your programs should be runnable on Eustis

Can be compiled and run on Eustis

This provides uniform platform to run your programs

TA would actually run your programs to grade your assignments

4

Recommended Software

Must use ssh client to connect to Eustis

Many free ssh client software online

Example

Putty: command line based terminal

List of ssh clients https://en.wikipedia.org/wiki/Comparison_of_SSH_clients

File transfer is possible on Eustis

Many GUI based software

Example

WinSCP for Windows

5

Mobaxterm

We recommend Mobaxterm

Combine ssh and file transfer (and many more)

Download page https://mobaxterm.mobatek.net/download-home-edition.html

For windows

You may use putty and WinSCP as alternative

6

Off Campus Access

Procedure

Connect VPN first to get into campus network

Use ssh client to connect to Eustis

VPN installation

UCF VPN page

http://newton.i2lab.ucf.edu/wiki/Help:VPN

Download and install Cisco AnyConnect client

Run VPN

Run Cisco AnyConnect client and fill in

ucfvpn-1.vpn.ucf.edu

You will be prompted to enter your NID and password

Once VPN is connected, you can proceed with ssh connection

7

Basic Operations on Eustis

Basic Unix commands as shown in the table

On Eustis, you can use ‘pico’ to do simple text editing

Or you can edit your codes on your own computer and then upload (through file transfer) to Eustis for compiling and running

8

Compile and Run Programs

C

Compile

gcc –o <executable> <sourcefile.c>

Run

./ <executable>

Example

gcc –o hello hello.c

./hello

With arguments

./ <executable> <argument1> <argument2>

Example: file name as an argument

./hello temp.txt

C++

Compile

g++ -o <executable> <sourcefile.cpp>

Run

./ <executable>

Example

g++ –o hello hello.cpp

./hello

With arguments

./ <executable> <argument1> <argument2>

Example: file name as an argument

./hello temp.txt

Java

Compile

javac hello.java

Run

java hello

java hello temp.txt (with argument)

Demo

9

Action Items

Your Eustis account has been created.

Please try to login Eustis using your NID and password

Mobaxterm or putty or any client you choose

Also try transferring file to Eustis

If you do not use Mobaxterm, make sure your file transfer software works as intended.

If you have any problem accessing Eustis, please let us know.

10