Educational software from Computer Products for Education, such as Microsoft, Adobe, Symantec, Corel, Avid, and more. Traditional DNS Howto Traditional DNS Howto Version 1.0 Authors: Tom Adelstein <tom [dot] adelstein [at] gmail [dot] com> Falko Timme <ft [at] falkotimme [dot] com> Last edited: 03/11/2006 Linux system administrators should learn traditional DNS. Front-ends and quick templates to setup domain records have a place in managing sites. When confronted with DNS configurations already in existence, nothing can substitute for knowing and using the fundamentals. The vast majority of users on the Internet have no clue about DNS. The Internet uses TCP/IP protocol to send and receive everything on the Internet. You see Google.com is an name in a database that your browser consults to find the IP address of the Google web site. If you're sitting there reading this and going, "Oh yeah, I already know about that", then hold on a minute or two. The Domain Name System of the Internet makes up the largest distributed database on the planet and it's quite ingenious. Linux uses BIND to perform DNS functions.
Programming Truth and Fiction Programming Truth and Fiction Fiction: HTML is not a programming language. It is a markup language. It lacks all necessary functionality (like if-else branching, variables, loops) to program in it, and in fact, even comparing it to a programming language completely misses the point of HTML’s beautiful simplicity. Truth: Many managers in IT work environments understand HTML is a kind of programming language. Fiction: In a programming language, you can express your thoughts; you can permanently lay down a rule system which can then be recreated on other machines, over and over. Truth: Many IT managers know that programming is the thing that you do in some kind of text editor, with long lines of something called “code” which nobody understands really except the programmer (who was born with the talent of understanding it). Fiction: Software needs to be flexible so that changes can be introduced at any time. Fiction: The function you write today will turn into a class tomorrow. >> More posts
The Ultimate USB Key USB thumb drives have shown themselves to be a superior alternative to other portable media such as diskettes and writable optical discs. They're smaller and can hold tons of data, and most current operating systems recognize them without needing any special drivers. We've seen 1GB drives for under $100, and drives with smaller capacities start at under $20. Most people don't realize that these drives can also carry enough applications to serve as a personal office on the road, and can even contain a complete bootable operating system to provide total security when you are computing away from home.
About Mozilla Learn more about our projects, products and principles designed to help people take control and explore the full potential of their lives online. Play video The Mozilla mission What drives us and makes us different Career center Want to work at Mozilla? Apply today! InternetSupervision | Website Monitoring Services Solaris Tips One simple way to make Solaris a little bit more secure is to create /root directory with permissions 700 like in Red Hat. In this case anything you put into this directory is visible only to root and even wrong permissions are not visible to outsiders. Before answering this question, let's first provide a little background. TCP Wrappers has been around for many, many years. It is used to restrict access to TCP services based on host name, IP address, network address, etc. For more detailed on what TCP Wrappers is and how you can use it, see tcpd(1M).
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