By Æleen Frisch
Crucial procedure Administration,3rd version is the definitive advisor for Unix method management, overlaying the entire basic and crucial initiatives required to run such divergent Unix platforms as AIX, FreeBSD, HP-UX, Linux, Solaris, Tru64 and extra. crucial approach management offers a transparent, concise, useful advisor to the real-world concerns that anybody chargeable for a Unix procedure faces day-by-day. the recent version of this vital reference has been totally up-to-date for all of the newest working structures. much more importantly, it's been broadly revised and elevated to think about the present procedure administrative subject matters that directors want such a lot. crucial process Administration,3rd version covers: DHCP, USB units, the newest automation instruments, SNMP and community administration, LDAP, PAM, and up to date protection instruments and strategies. crucial approach management is accomplished. yet what has made this publication the consultant procedure directors flip to again and again is not only the sheer quantity of worthwhile details it presents, however the transparent, worthwhile method the data is gifted. It discusses the underlying higher-level thoughts, however it additionally offers the main points of the strategies had to hold them out. it isn't geared up round the positive factors of the Unix working approach, yet round the a variety of points of a approach administrator's task. It describes the entire ordinary administrative instruments that Unix presents, however it additionally exhibits the right way to use them intelligently and successfully. no matter if you employ a standalone Unix procedure, commonly supply administrative help for a bigger shared process, or simply wish an realizing of easy administrative features, crucial method management is for you. This accomplished and necessary e-book combines the author's years of sensible event with technical services that will help you deal with Unix structures as productively and painlessly as attainable.
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Additional info for Essential System Administration, Third Edition
It incorporated the most important features of BSD (and SunOS) into System V. The union was a marriage and not a merger, however, with some but not all characteristics from each parent dominant in the offspring (as well as a few whose origins no one is quite sure of). The diagram also includes OSF/1. In 1988, Sun and AT&T agreed to jointly develop future versions of System V. In response, IBM, DEC, Hewlett-Packard, and other computer and computer-related companies and organizations formed the Open Software Foundation (OSF), designing it with the explicit goal of producing an alternative, compatible, non-AT&T-dependent, Unix-like operating system.
When you run su, the new shell inherits the environment from your current shell environment rather than creating the environment that root would get after logging in. However, you can simulate an actual root login session with the following command form: $ su -Warning Unlike some other operating systems, the Unix superuser has all privileges all the time: access to all files, commands, etc. Therefore, it is entirely too easy for a superuser to crash the system, destroy important files, and create havoc inadvertently.
Comprehensive coverage of email administration, including discussions of sendmail, Postfix, procmail, and setting up POP3 and IMAP. Additional security topics and techniques, including the secure shell (ssh), one-time passwords, role-based access control (RBAC), chroot jails and sandboxing, and techniques for hardening Unix systems. Discussions of important new facilities that have emerged in the time since the second edition. The most important of these are LDAP, PAM, and advanced filesystem features such as logical volume managers and fault tolerance features.