It is a common practice of ISP's to cache any possible file from downloading it again. As an overall result this will save ISP's lots of bandwidth although you paid for your internet download not for ISP to client download.

In many situation this may cause a problem whether you are web developer or system admin. When downloading a files from a new website you are developing you always get old versions of files. This also applies if you are using unix tool wget. To get around this problem one needs to include an option --no-cache to wget command . This way wget will send an appropriate directive, in this case Pragma: no-cache to a remote server to retrieve a new version of requested files.


wget --no-cache http://www.<remote server>/remote-files*

If you are not using wget and you are web developer you may consider to temporarily add a meta tag to your pages with Pragma: no-cache directive to avoid ISP caching problem.

<meta http-equiv="pragma" content="nocache">

Free Linux eBooks

Do you have the right skills?

Our IT Skills Watch page reflects an up to date IT skills demand leaning towards the Linux and Unix environment. We have considered a number of skills and operating systems.

See the result...

Linux Online Training

Learn to run Linux servers and prepare for LPI certification with Linux Academy. 104 available video lessons with PDF course notes with your own server!

Go to top