Accessing the Lab

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 sigma108000
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/my
  acct
• Directory must have rwx--x--x permissions
• Create course_html in home directory
• Contains cgi scripts http//www.scs.carleton.ca/m
  yacct/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//localhost8000/myacct/myfile.html
• Use http//localhost8000/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