By Vicki Stanfield
"Most imperative Linux Book"--2001 Linux magazine Readers selection AwardsAuthoritative solutions to your whole Linux QuestionsYou can depend on the absolutely up to date moment variation of Linux approach management for solutions to your entire questions about fitting, configuring, and administering Linux. Written via Linux specialists, this ebook teaches you, step by step, all of the commonplace and complex recommendations you must understand to establish and retain a safe, powerful Linux atmosphere. ratings of transparent, constant examples illustrate those recommendations in detail--so you remain heading in the right direction and achieve your whole targets. assurance includes:* fitting a Linux server* constructing and retaining person and team bills* constructing Linux approach safety* Sharing documents utilizing Samba and NFS* enforcing a backup procedure* Troubleshooting universal Linux difficulties* developing the X Window process* developing TCP/IP and connecting to the net* establishing a mail server* retaining filesystems and walls* Configuring printers* enhancing approach functionality* Writing shell scripts* utilizing Webmin for cross-distribution GUI administrationThe Craig Hunt Linux LibraryThe Craig Hunt Linux Library presents in-depth, complex insurance of the most important themes for Linux directors. subject matters comprise Samba, community Servers, DNS Server management, Apache, safeguard, and Sendmail. each one publication within the sequence is both written by way of or meticulously reviewed via Craig Hunt to make sure the best quality and so much entire insurance for networking execs operating particularly in Linux environments.
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Additional info for Linux System Administration, Second Edition (Craig Hunt Linux Library)
Sample text
If you successfully authenticate, you will retain the environment of your original user account but will be allowed to change into directories owned by the root user, execute binaries that would not be executable by your normal account, create files in directories that are restricted to root, and much more. Your PATH will remain as it was with your normal user, so many of the more dangerous commands will not be accessible unless you specify their full path. su – [username] Adding the – parameter starts a root login shell wherein the environment of the root user is assumed as well.
Certainly if there are any glitches in the installation, this should be noted for future reference. Tracking down a hardware failure is often a step−by−step process in which the diagnosis is made by looking at the system's history of problems rather than a single failure. Include information about kernel configuration and any changes to the default initialization process. You are, in effect, drawing a portrait of the system, so you need to catch as many details as you can. The initial installation information is critical.
Sudo is a critical tool. Thanks to it, you can grant certain users and administrative staff access to perform some high−level tasks without actually giving them the root password. (Of course, you'll do this only when the benefits of letting the user handle the task outweighs the potential risks. ) This tool is available on most standard distributions of Linux and is available for most flavors of Unix. html, and see Ramon Hontanon's Linux Security (Sybex, 2001). In Sum This chapter has discussed many aspects of Linux system administration, but since the entire book is about administration, it has only scratched the surface.
