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COMP 328 Homework 1 Linux Tutorial

COMP 328 Homework 1 Linux Tutorial - COMP 328 Homework 1...

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COMP 328 Homework 1 LINUX Tutorial Jason Nance #D03179523 COMP 328 Homework 1 LINUX Tutorial 1. Logging in, changing passwords and logging out Note: Adapted from Linux / Unix Tutorial Website - http://ctssn.com/ Follow all the steps in the following tutorials to learn about Linux. After some of the major sections (namely 3, 4, 5, 6 & 8) you will find sections labeled “ Problem 1 , Problem 2 , etc”. Turn in just the six labeled problems for Homework 1 nothing else! 1. Logging in, changing your password and logging out. You will use the following commands in this step: passwd – change your password. exit – log out of a Linux session. 1.1. On your lab computer, under the Internet Tools tab of the Start Menu, you should find an entry called Leopard . Selecting this will open a secure shell command window which you can use to connect with our Linux server machine. A Command window should open and display a message to login. login as:_ Enter the login ID assigned to you by your instructor. You should get a prompt to enter your password. password:_ Rakocy/Volkers 5/8/2011 1:02 a5/p5 Page 1 of 22 Linux is case sensitive! Linux commands are executed only when you press the ENTER key (not TAB or any other key), so when instructions say to “enter something,” it means to type something, then press the ENTER key.
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COMP 328 Homework 1 LINUX Tutorial 1.2. Enter your default password, summer09. NOTE: passwords, like user IDs, are case sensitive . You should see something similar to the following two lines: Last login: Sat Aug 29 07:43:24 2009 from cpe-24-26-139-28.columbus.res.rr.com [your login [email protected] ~]$ If not, ask your instructor or F.A. for help. Since Linux is a multi-user system (many people are simultaneously logged in and sharing the computer), security is a very important issue. Linux has many built-in security features, some of which you will learn in this exercise. The first level of security is that you need a login ID, which is created by the system administrator (also called root , or superuser ). The system administrator also establishes an initial password. However, users are expected to change their password immediately after logging in the first time . 1.3. Pick your new password then enter the command to change your password: passwd . When you enter the command the system will prompt you to enter your current password, which must be entered correctly before it allows you to change it. Next, it asks you to enter your new password, then it asks you to enter the new password a second time to make sure you did not accidentally type something wrong the first time. If the second entry matches the first one, your password will be changed and the system will display a message to that effect. You will need to remember the new password to log in the next time, so be sure to write it down somewhere you, but no-one else, can find it in case you forget it.
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COMP 328 Homework 1 Linux Tutorial - COMP 328 Homework 1...

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