well as workstations‚ it is necessary to consider whether a Linux Based system is appropriate for our organizational needs at this point. Introduction The purpose of this paper is to investigate the pros and cons of using Linux in both a server and workstation environment. During this investigation several Linux distributions will be scrutinized. This examination will disclose what is really necessary to convert to a true Linux environment and will also verify the feasibility of such action
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SFTP IN CHROOT Often SFTP is confused with FTPS Well‚ they are different SFTP - Part of SSH server FTPS - Secure implementation of FTP server (yes‚ both use SSL encryption on the transport) WHAT IS JAILROOT/CHROOT? Evey process in *NIX systems has Process Context. This context contains the "absolute path" of the command that lead to creation of the process. e.g. $ ls The Process Context shall contain "/bin/ls". It must be noticed that process has visibility
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freeworld.posterous.com Linux Bash Shell Cheat Sheet (works with about every distribution‚ except for apt-get which is Ubuntu/Debian exclusive) Legend: Everything in “” is to be replaced‚ ex: --> iLovePeanuts.txt Don’t include the ’=’ in your commands ’..’ means that more than one file can be affected with only one command ex: rm file.txt file2.txt movie.mov .. .. Linux Bash Shell Cheat Sheet Basic Commands Basic Terminal Shortcuts Basic file manipulation CTRL L = Clear the
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Creating a multi-boot linux usb Multi-boot‚ such a lovely word. Reminds me of Lilo Dallas Multi Pass from The Fifth Element. But essentially‚ multi-booting is nothing special. I have a system with four operating systems installed side by side just on the internal disk and another four or five on an external device. I have several systems with two or three instances of Linux distros breezing happily. But having a live bootable multi-boot system is a different story altogether. Why would you want
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NT 1430 Units 1-10 Questions Unit 1 * Chapter 1‚ pp. 20-21‚ Exercises 1‚ 4 1. What is free software? List three characteristics of free software. A. 4. What is the Free Software Foundation/GNU? What is Linux? Which parts of Linux operating system did each provide? Who else help build and refine this operating system? A. * Chapter 2‚ p. 53‚ Exercise 1 1. Briefly‚ what does the process of installing an operating system such as Fedora/RHEL involve? A. * Chapter
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from guessing names and passwords to gain access to the system. b. Why does the system wait for a couple of seconds to respond after you supply an incorrect username or password? Answer: To help stop a brute force attack from cracking the system security features. 2. Give three examples of poor password choices. What is wrong with each? Doctor4 = word in the dictionary can be easily found and cracked bluejay = does not contain a number or a capitalized letter Hot4 = is too short 3. Is
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system start X by default? When the system activates graphical target (fedora) or enters runlevel 5 (RHEL). 9) If you do not install grub on the master boot record of the hard disk‚ how can you boot Linux? There’s an alternative program called “LILO” that can be used‚ but in order to boot linux one of these must be used‚ unless you plan to boot from CD. 10) Why would you place /var at the beginning of the disk? The /var files are modified a lot‚ therefore need to be easily accessed. Placing
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Exercise 2 LAB REPORT Q:What is the default directory when you open a new command window? What is your working directory? A: /home/guest/ /home/guest/fangyuliu Exercise 3 LAB REPORT Q:Is the Internet service daemon‚ xinetd‚ started in your system? Is inetd started in your system? Why? A:xinetd(extended Internet daemon) is started in my system rather than inetd (internet service daemon). Both of them are super-server daemon started only under request. Because xinetd is more secure than
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NT1430 Christopher A. Gerbasi Linux Mr. Bodley 4/25/2013 Chapter 20 Exercises (p. 757) 1-6 1. By default‚ email addressed to system goes to root. How would you also save a copy in /var/logs/systemmail? A)
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IT250 Linux Operating System S.No Question Points 1 What commands are used to create an ext2—second extended—filesystem? mke2fs or mkfs.ext2 2 Which of the following types of filesystems can the command e2fsck be used to check? A. ext2 B. ext3 C. jfs D. vfat 3 What command can be used to start a program with a lower scheduling priority? nice ____________ FINAL Which of the following Linux utilities lists the names of files in a single directory? ls Which component of X Window allows customization
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