Avoid apt-get update while installing softwares on ubuntu, possible?

Posted by Rohan on Ask Ubuntu See other posts from Ask Ubuntu or by Rohan
Published on 2012-06-30T15:04:49Z Indexed on 2012/06/30 15:24 UTC
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I want to install a 27KB lens( reddit-lens: here ) & this "apt-get update" is going to download 20MBs(!) of data for the same. I want to avoid this update bcoz i am on a limited bandwidth connection.

I also tried to install .deb file(27KB) for this lens but it says "dependancy is not satisfiable gir1.2-unity-3.0". I went on to http://www.pkgs.org to get that package & there is no version available for ubuntu 12.04.

What should I do? Can i install softwares without updating cache? Is that update necessary? Also installation of some softwares requires updating cache while others dont, why?

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