rilpoint_mw113

Linux:Basics

Putty

  • Download the putty ssh client from the Internet!
  • We often want to log in to columbo.eszterhazy.hu. Add this server to Putty! Connect to this machine and log in!
  • Remove columbo.eszterhazy.hu from the Putty!
  • Set font used in Putty to Courier New, font size 11!
  • Make the putty switch to full screen when Alt-Enter is pressed!
  • Set the character set used by Putty to UTF-8!

Enter commands

  • Bring back to the command line the commands you typed earlier!
  • Try the additional function of [TAB] with the clear command!
  • Find the one of your previous commands that contains the cl characters!
  • How to interrupt the program currently running?

Basic Unix commands

Kivonat: clear, w, who, whoami, su, last, finger, date, passwd, pwgen, logout, alias, man talk, write, mesg, halt. On the console: loadkeys.
  • Clear the screen.
  • Generate passwords!
  • Change your password! For the new password, use one of the passwords generated in the previous exercise.
  • Who is logged into the system? How long have they been using it? How long have they been inactive? What command are they currently running?
  • How busy is the server currently?
  • Show the last logged in users! Show the last 10 logins!
  • Write a message to your classmate!
  • Disable and then enable receiving messages! Check that you have achieved the desired functionality!
  • Try the talk command with your neighbour!
  • Check the date command manual!
  • Generate 6 passwords, each 12 characters long, difficult to remember and therefore secure (see the manual for details).
  • How should you parameterize the date command to print only the year?
  • Make the c command also clear the screen and the d command print the current system date!
  • The ls command should always display the complete table of contents, not just the file names!
  • Display these aliases!
  • Delete all aliases created in previous exercises.
  • Log out from columbo!
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