1. Accessing the Lab

2. Putty Available via links on course page Creates secure (SSH) command line session between your machine and SCS network Uses tunnelling

3. SCS Network

4. Configuring Putty apex.scs.carleton.ca Click ssh

5. Tunnels Put: 8000 Put: sigma10:8000

6. Authentication Should be at the top

7. Saving Session Type in name, Press “Save”

8. Launching Putty Click on saved session and press “Load”, then press “Open”

9. Putty Login You should now see the screen below:

10. Directories Home directory –Directory must have: rwx--x--x permissions Create public_html in home directory –Contains html files http://www.scs.carleton.ca/~myaccthttp://www.scs.carleton.ca/~myacct –Directory must have: rwx--x--x permissions Create course_html in home directory –Contains cgi scripts http://www.scs.carleton.ca/~myacct/any.cgi http://www.scs.carleton.ca/~myacct/any.cgi –Directory must have: rwx--x--x permissions Can check permissions using: –ls –la. –ls –la *

11. Setting permissions Use chmod command: –chmod 0711 public_html –chmod 0711 course_html –chmod 0711. (home directory) Need read access for html files: –chmod 0644 hello.html Need execute permission for cgi scripts: –chmod 755 myscript.cgi

12. Accessing Content Outside SCS environment: –Use http://localhost:8000/~myacct/myfile.htmlhttp://localhost:8000/~myacct/myfile.html –Use http://localhost:8000/~myacct/myscript.cgihttp://localhost:8000/~myacct/myscript.cgi –Files should be in course_html directory Inside SCS environment –Use http://www.scs.carleton.ca/~myacct/myfile.htmlhttp://www.scs.carleton.ca/~myacct/myfile.html –Files should be in public_html directory