accessing the lab. putty available via links on course page creates secure (ssh) command line...

Accessing the Lab

Putty

• Available via links on course page

• Creates secure (SSH) command line session between your machine and SCS network

• Uses tunnelling

SCS Network

Configuring Puttyapex.scs.carleton.ca

Click ssh

Tunnels

Put: 8000

Put: sigma10:8000

Authentication

Should be at the top

Saving Session

Type in name,Press “Save”

Launching PuttyClick on saved session and press

“Load”,then press “Open”

Putty Login

You should now see the screen below:

Directories• Home directory

– Directory must have: rwx--x--x permissions

• Create public_html in home directory– Contains html files http://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– Directory must have: rwx--x--x permissions

• Can check permissions using:– ls –la .– ls –la *

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

Accessing Content

• Outside SCS environment:– Use http://localhost:8000/~myacct/myfile.html– Use http://localhost:8000/~myacct/myscript.cgi– Files should be in course_html directory

• Inside SCS environment– Use http://www.scs.carleton.ca/~myacct/myfile.html– Files should be in public_html directory