netstat -an | grep -i listen

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Many site owners make the mistake of duplicating their site’s home page. They will have the same content for http://www.domain.tld, http://domain.tld, and http://www.domain.tld/index.html. This will result in lost link value and therefore damage the rankings of the site’s homepage. For example you may have your internal links pointing to http://www.domain.tld but outside sites may be linking to http://domain.tld. Therefore you will be diluting the effectiveness of your site. If you find many links outside the site pointing to both the non-www and the www version, it may be wise to use a 301 re-write rule so all pages will be redirected to the same url. How to include the 301 re-write rule in your web site 1. Create a .htaccess file. Open notepad, name and save the file as .htaccess (there is no extension). 2. Place this code in your .htaccess file: Options +FollowSymLinks RewriteEngine On RewriteCond %{HTTP_HOST} ^domain\.tld$ [NC] RewriteRule ^(.*)$ http://www.domain.tld/$1 [R=301..... Read more

Have you ever typ0 “typographical error” your login name in firefox, only to have it save the wrong entry as well as the correct one? How do you get rid of the wrong entry? You could clean up out all of your saved information, but why just for one mistake! Go to the form where the mistake is. Put your cursor in the text entry form and hit down until you highlight the incorrect entry. Now press shift + delete ..... Read more

In the hot weather, air conditioning is a necessity, especially in a vehicle. However, it has become a common myth that running your vehicle’s air conditioning burns more fuel. Consumers have become more considerate of fuel efficiency, because of the high gas prices. Well, there’s no need to ride in a hot car for the sake of saving on gas. It’s been proven that running the air conditioning does not have a large effect on fuel efficiency for modern cars. Leaving the air conditioning off makes little difference, unless you have a sunroof. Even with the air conditioning off and the sunroof open, there won’t be a significant difference in gas mileage. Has the air conditioning myth been proven wrong? Modern cars make it okay to drive with the air conditioning on. The A/C compressor pulls power from the engine wasting some gas, the effect appears to be minimal in modern cars. The A/C can lower the fuel efficiency from 10 to 20 percent depending on the type (and age) of your vehicle. ..... Read more

You can determine how much voip bandwidth to set aside for voice traffic using simple math. However, in a converged voice and data network, you have to make decisions on how much voip bandwidth to give each service. These decisions are based on careful consideration of your priorities and the available voip bandwidth you can afford. If you allocate too little voip bandwidth for voice service, there might be unacceptable quality issues. Another consideration is that voice services are less tolerant to voip bandwidth depletion than that of Internet traffic. Therefore, voip bandwidth for voice services and associated signaling must take a priority over that of best-effort Internet traffic. If a network were to use the same prevailing encoding (CODEC) scheme as the current PSTN system, voip bandwidth requirements for Voip networks would tend to be larger than that of a circuit-switched voice network of similar capacity. The reason is the overhead in the protocols used to deliver the voice ..... Read more