Linux server system. You performed the steps to secure the bootloader‚ enable iptables‚ and run SELinux to help lock down the Linux OS. You also applied ACLs to directories and files to secure file and data access and then checked those ACLs and permissions on the system. Lab Assessment Questions & Answers 1. What is GRUB and why is it important to lock it down? GRUB is a bootloader. A bootloader is a program that allows the user or administrator to choose which operating system or kernel to
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schools‚ it makes work more efficient for students and provided path to communicate to the entire world. Nowadays‚ computer based systems are used by every company and institution around the world. The system that is commonly used today is the Computerized Enrolment System which is used at schools especially those who have an extensive number of students. This system is a convenient way of storing and retrieving information of a student. Majority of establishments and institutions across the country
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College of Information Systems & Technology POS/420 Version 11 Introduction to UNIX® Columbia Campus 01/14/2014 – 02/11/2014 Copyright © 2012‚ 2011‚ 2010‚ 2009‚ 2008‚ 2006‚ 2005‚ 2004‚ 2001‚ 2000 by University of Phoenix. All rights reserved. Course Description This course is a survey of the UNIX® operations. The student will gain an understanding of the internal operations of the UNIX® system‚ which enables the user to make efficient use of files‚ file systems‚ and processes. Commands
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you give the following commands when the file ‘done’ already exists? $cp to_do done ‘done’ is overwritten with contents of ‘to_do’ $ mv to_do done ‘done’ is overwritten with contents of ‘to_do’ ‘to_do’ no longer exists after the command 4) How can you find out which utilities are available on your system for editing files? Which utilities are available for editing on your system? You can use the which. whereis‚ and locate utilities to search for files. VIM 8) What is the result of giving the
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interconnected for sharing data between them or their users. One main method for optimizing computer usage is networking. However‚ for those who are contemplating a change from stand-alone computers to a network system. Investigation of actual networks in use presents a paradox: network systems can be highly productive and beneficial‚ but they can create many complexes‚ frustrating problems. Simply defined‚ networking with computers is sharing resources by connecting two or more computers and other
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103-000294-001 Electronic Version 1 w w w. n o v e l l . c o m Proprietary Statement Trademarks Copyright © 2006 Novell‚ Inc. All rights reserved. No part of this publication may be reproduced‚ photocopied‚ stored on a retrieval system‚ or transmitted without the express prior consent of the publisher. This manual‚ and any portion thereof‚ may not be copied without the express written permission of Novell‚ Inc. Novell‚ Inc. 1800 South Novell Place Provo‚ UT 84606-2399 Novell
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currently available on your machine. A standard unix operating system lists currently thousands of commands. Type x to list all commands starting with x. The following list contains some of the more frequently used programs. Access Control exit - terminate a shell (see "man sh" or "man csh") logout - sign off; end session (C shell and bash shell only;) passwd - change login password rlogin - log in remotely to another UNIX system ssh - secure shell slogin - secure version of rlogin yppasswd -
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Some Basic UNIX Commands NB*”Rm” The UNIX operating system has for many years formed the backbone of the Internet‚ especially for large servers and most major university campuses. However‚ a free version of UNIX called Linux has been making significant gains against Macintosh and the Microsoft Windows 95/98/NT environments‚ so often associated with personal computers. Developed by a number of volunteers on the Internet such as the Linux group and the GNU project‚ much of the open-source software
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Unix Operating System and Its File Structure Course: COSC513 Operating Systems Name: Deyong Xu ID: 103816 PREFACE This article is just an introduction of Unix operating system to people who don’t any knowledge about Unix operating system . Generally speaking ‚ people don’t need to understand too much about the details about a software or a system ‚ the most important thing is people should know how to use these software
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confidentiality of employee’s records. Specific Problem 1. Inefficient file management. Difficulty in locating files and some specific files cannot be found and causes inefficiency of service. 2. Inconsistency in generating on-time salary reports. Difficulty in generating on-time payroll reports that causes delay in releasing of salaries that leads to less productivity of employees. 3. Unsecured confidential files. Confidential files are not restricted thus causing it to be viewed by anyone who
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