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Courtesy: guri
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When my editor asked me to write an article on email, my first reaction was to mimic a sound I used to hear on Sesame Street. Come on now; what can be written about email that hasn't already been said? What can children and grandparents both do at the drop of a hat? What easier way is there to share a joke or comment on the latest goings-on? What more efficient and flexible monitoring and report tool does there exist for the system administrator? |
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Courtesy: Sukh
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Most system administrators who have maintained a server for more than a few months will have their own stories to tell. It might be an installation or a configuration problem, a daemon that stops responding every six or eight weeks, or the 150 million duplicate entries that filled up the log partition last Sunday. |
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Courtesy: Sukh
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Fear, uncertainty, and doubt currently surround the GPL (GNU General Public License) in the eyes of most IT managers. They wonder whether it will infect their software and require them to expose their intellectual property to the world. They worry that trade secrets will be exposed and allow their competition an unfair advantage over them.
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Courtesy: Sukh
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If imitation is the sincerest form of flattery, then Freeciv is clearly a labor of love among its many volunteers. Since the code for this open source version of Civilization was released in 1995, hundreds of volunteers have added to it and improved it, even though the original developers haven't been heavily involved in years. |
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Courtesy: Aman
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CVS--or Concurrent Versioning System--is a tool for saving the user's butt by maintaining a history of changes. It allows for the retrieval of older versions of files, records who makes each change, and prevents simultaneous changes from overwriting each other. |
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Courtesy: duke
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A common system administration task is to add new users. In large installations, such as central computing servers at universities or in large companies, adding users is often best performed as a "batch'' job, one that is automated with scripts. Consider, for example, the start of a new semester at a large public university, where there are hundreds, if not thousands, of new students. Creating accounts by hand would be impossible, so we need to automate the task. |
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Courtesy: duke
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PAM stands for Pluggable Authentication Modules and is a system for providing application independence for authentication. A PAM-enabled application calls a stack of PAM modules to run authentication, open and close sessions, and check account validity.
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