Category: General

RH FC4 SSH with Rescue Boot CD

Do the following to get sshd up and running on a FC4 system booted from the rescue CD with networking enabled:

If you get errors about the random number generator not being seeded then you might have to copy the cd’s /dev/ files to /mnt/sysimage/dev/ using tar.

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Preventing Caching

When it comes to preventing caching, there are a couple of annoying Javascripts you can use, but I wouldn’t recommend it. Until there is a technology specifically developed to prevent caching as an option on the client side, there are a few options. The best I’ve seen so far is the META and Pragma options in which either you don’t cache the whole page itself, or make sure the page is always expired. 1. Using the ‘Expires’ header. The Expires header of an HTML document tells a Web browser when a cached document should expire from the cache. Using a date in the past ensures the document will always be expired. Insert the text below between the <HEAD></HEAD> tags of the HTML document containing the embedded file. <META HTTP-EQUIV=”Expires” CONTENT=”Mon, 04 Dec 1999 21:29:02 GMT”> Each and every time this document is requested the browser will notice that the cached

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Preventing Caching

When it comes to preventing caching, there are a couple of annoying Javascripts you can use, but I wouldn’t recommend it. Until there is a technology specifically developed to prevent caching as an option on the client side, there are a few options. The best I’ve seen so far is the META and Pragma options in which either you don’t cache the whole page itself, or make sure the page is always expired. 1. Using the ‘Expires’ header. The Expires header of an HTML document tells a Web browser when a cached document should expire from the cache. Using a date in the past ensures the document will always be expired. Insert the text below between the <HEAD></HEAD> tags of the HTML document containing the embedded file. <META HTTP-EQUIV=”Expires” CONTENT=”Mon, 04 Dec 1999 21:29:02 GMT”> Each and every time this document is requested the browser will notice that the cached

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