Unix and Linux System Administration and Shell …

1 unix and Linux System Administration and Shell Programmingversion 56 of August 12, 2014 Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010, 2011, 2012, 2013, 2014 MiloThis book includes material from the website and the text book on computer programming . Distributed on the honor System . Print and read free for personal, non-profit, and/or educational purposes. If you like thebook, you are encouraged to send a donation ( dollars) to Milo, PO Box 5237, Balboa Island, California, USA 92662. This is a work in progress. For the most up to date version, visit the website Please add links from your website or Facebook page. Professors and Teachers: Feel free to take a copy of this PDF and make it available to your class (possibly throughyour academic website).

2 This way everyone in your class will have the same copy (with the same page numbers) despitemy continual updates. Please try to avoid posting it to the public internet (to avoid old copies confusing things) and take itdown when the class ends. You can post the same or a newer version for each succeeding class. Please remove old copiesafter the class ends to prevent confusing the search engines. You can contact me with a specific version number and classend date and I will put it on my and Linux System Administration and Shell Programmingversion 56page 1 unix and Linux Administration and ShellProgrammingchapter 0 This book looks at unix (and Linux ) Shell programming and System Administration . This book covers the basic materials needed for you to understand how to administer your own Linux or unix server, aswell as how to run your own personal desktop version of Linux or Mac OS X.

3 This book goes beyond the typical material in a Shell scripting class and presents material related to either downloadingand compiling existing software (including ports to new hardware and/or operating systems) or for preparing your ownsoftware for release via the You need a willingness to learn. You need a working computer or server or access to one. The computer needs a working version of unix , Linux , Mac OS X, AIX, HP/UX, Solaris, etc. (it can be a dual bootcomputer). The new version of Mac OS X (Mavericks) is now available on the Mac App Store at as of October22, 2013. The new version of Mac OS X (Mountain Lion) is now available on the Mac App Store at of August 23, 2012. The new version of Mac OS X (Mountain Lion) is now available on the Mac App Store as of July 25th, 2012.

4 Tell them you heard about it from when you register your newcopy. A working connection to the internet is recommended, but not required, preferably a high speed connection. You may use LAMP on Linux , MAMP on Mac OS X, or WAMP on WIndows to set up and experiment with a local webserver. You may want to have a domain name of your own and web hosting to try out controlling a server. You can useGoDaddy or HostGator or most any other major hosting provider to obtain these servcies for low cost with great telephonetech support. The website where this book is offered to the public is hosted by Host Gator. You may use anyother hosting service you Almost anyone can learn this material. It isn t complicated.

5 It really helps if you enjoy doing this kind of thing. You willlearn faster and you will enjoy the work. If you don t enjoy this kind of computer activity, please think carefully aboutwhether or not you want to spend decades at a job you hate. Almost anyone can slog through and learn at least some of this material, but an aptitude for this material greatly helpslearning. If you are strong at grammar, then you will probably be able to master. This material. mathematical ability isuseful, but not necessary. Many portions of this book require root or administrator access. While you learn better if you can actually try out eachcommand for yourself, you can just read about root material if you don t have root or administrator and Linux System Administration and Shell Programmingversion 56page 2 Some portions of this book require special software.

6 Most of the software can be downloaded for free. Those with MacOS X should have the Developer Tools installed. These are available for free on either the install DVD/CD or from Appleat A static IP address is in general useful and is required for some portions of this This book is intentionally proletarian and is specifically intended to allow anyone, regardless of socio-economic position,to have access to the basic information and the power against the established authorities that such knowledge provides. This subversive intent is consistent with Linux , which was created by a college student who couldn t afford the dominanttools of the time. This contrasts strongly with Apple s Macintosh, Mac OS X, and iOS, all of which are specifically targeted for sales tothe trendiest members of the wealthy class.

7 Apple does offer a discount to school children, but that discount is smaller thanthe discount Apple offers to large corporations. This also contrasts with Microsoft s Windows, which is specifically targeted for sales to large corporations and theiremployees. And this contrasts with Google s Android, which is specifically targeted for businesses. The users of Android productsare part of Google s product, not the customer. The customers are businesses who want detailed information on the massesfor purposes of advertising. This book is intended to make knowledge available to everyone, especially those who are increasingly being shut out ofthe mainstream education Please note that at the time this paragraph was written, these goals are not yet implemented in the text.

8 Now is a goodtime to make suggestions on modifications of the goals. The reader will understand the unix computing environment and history. The reader will be able to access the unix System and perform basic operations, including using help features. The reader will be able to access and manipulate files and directories, including basic and advanced directory and filemanagement. The reader will be able to use file System utilities. The reader will be able to design and implement file System security. The reader will be able to print documents. The reader will be able to perform System backups and restores. The reader will be able to troubleshoot System processes. The reader will be able to perform environment customization.

9 The reader will become acquainted with networks, web servers, web clients, transaction security, and other basic networkconcepts. The reader will learn how to create a web page that accepts input, program the server response, and interface the inputwith a and Linux System Administration and Shell Programmingversion 56page 3 The reader will understand web server functionailty and be able to install and configure Apache. The reader will be able to work with, understand, and configure DNS functionality. The reader will be able to set up and maintain his or her own general purpose server, including hosting, serveradministration, security, user interactivity, and database integration. The reader will be familiar with SQL Server architecture and able to efficiently administer and maintain SQL Serverinstances and databases.

10 The reader will be able to secure a web server and its reference book I strongly recommend that each reader print out this PDF and the manual pages from your computer and place theresulting pages into a looseleaf binder. That will allow you to organize the chapters in the order that makes the most sensefor you. It will also allow you to make notes in the margins. It will allow you to easily add materials from other resulting binder will be personalized to meet your individual needs. If you have a limited printing budget (ink is expensive), print out portions of this PDF as contents1. cool Shell tricks2. basics of computers3. unix / Linux history4. choice of shells5. connecting to a Shell (Telnet and SSH; terminal emulator)6.