[...]... ago, most Linux system administrators would have told you that they didn’t choose their careers Linux chose them In the old days, Linux was like an adolescent Unix Most Linux system administrators learned the ropes on single workstations and very small networks Linux inherited some servers from Unix (BIND, Sendmail, Apache), but little office software and few applications Today, Linux system administration. .. Chapter 1 CHAPTER 1 Requirements for a Linux System Administrator We like Linux Of all the Unix and Unix-like systems we’ve used, many now forgotten,* Linux is our favorite It’s an excellent server platform, a good desktop, and the center of much innovation in the current computing world Linux probably has the broadest reach of any operating system, from tiny systems the size of phone jacks, to cell... emphasis on automation and monitoring Linux is now a standard corporate platform, and Linux talent is in short supply If you want to learn Linux to boost your financial worth, plenty of evidence supports a growing need within the industry for workers with Linux administration skills Analyzing Skill Sets Ask different information system managers to define the role of a system administrator, and you will... lack information about Linux They do not know what Linux professionals should know, and Linux professionals rarely understand those managers Many information system managers who understand Unix attempt to hold Linux administrators to Unix standards That rarely works While Unix administrators may believe they can easily transition to Linux, they quickly discover a knowledge gap Linux administrators have... valuable abilities For now, we’ll get you up and running in the areas where system administration has seen the most growth and where documentation seems lacking Unlike other areas of computer science and engineering, few schools offer courses in Linux administration, let alone entire degree programs So, if you want to learn Linux system administration, you will have to look for materials and courses outside... faster and more efficiently What System Managers Should Know About Linux One of the first things an information technology manager should know is that Linux is not Unix While Linux can certainly run the vast majority of Unix programs, it also has a wider range of applications in both public and private networks 6 | Chapter 1: Requirements for a Linux System Administrator Linux administrators can configure... you explore the Linux system landscape without all the hardships our forefathers experienced Where Do You Start? This book summarizes the steps you need to follow to build standalone servers If you need to build a mail server, create a web server and blogging system, or set up a gateway for your LAN, you can jump right into the middle of the book You don’t have to read Linux System Administration from... not include what Linux strategists consider the most critical subject matter Most Linux administrators have taught themselves, learning as the need arose At some point these self-taught administrators moved into jobs Needs then arose at a faster pace, causing them to learn more, until they could do just about anything a system administrator had to do This is one area where Linux System Administration. .. full configuration Linux runs more of the world’s top supercomputers than any other operating system In fact, as of this writing Linux runs an astonishing 75 percent of the top 500 supercomputers on the planet.* According to department heads at the Lawrence Livermore National Laboratory in Livermore, CA, Linux runs 10 of their massive systems, all of which are on the TOP500 List Those systems include... Password: enter password for admin user here Linux server1 2.6.8-2-386 #1 Thu May 19 17:40:50 JST 2005 i686 GNU /Linux The programs included with the Debian GNU /Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright 12 | Chapter 2: Setting Up a Linux Multifunction Server Debian GNU /Linux comes with ABSOLUTELY NO WARRANTY, . w0 h1" alt="" LINUX SYSTEM ADMINISTRATION Other Linux resources from O’Reilly Related titles DNS and BIND Linux in a Nutshell Linux iptables Pocket Reference Linux Pocket Guide Linux Network Administrator’s. Guide Running Linux LPI Linux Certification in a Nutshell Linux Server Hacks ™ Linux Security Cookbook ™ Linux Books Resource Center linux. oreilly.com is a complete catalog of O’Reilly’s books on Linux. today with a free trial. LINUX SYSTEM ADMINISTRATION Tom Adelstein and Bill Lubanovic Beijing • Cambridge • Farnham • Köln • Paris • Sebastopol • Taipei • Tokyo Linux System Administration by Tom