[Linux] How to stop Skype from eating all your bandwidth

In other words, how to throttle and limit bandwidth that Skype uses on your Linux box.

The Problem

I use Skype to talk to few friends and relatives who won't use anything else and Hangouts isn't that convenient anyway. The problem is that there is no way on the Linux client to limit the bandwidth usage, in my case it ends up uploading way too high quality video than required. I had to limit it.

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How to access more than 3 GB of RAM on ubuntu linux without installing 64-bit kernel

I recently upgraded my ThinkPad to 4GB RAM. However to my surprise I learnt that 32-bit OSes can only access 3GB of the RAM. Sad, isn't it? But, here's how to get happy -

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Getting the NVIDIA driver on K Ubuntu 10.04 Lucid Lynx

I recently installed Kubuntu 10.04 LTS and loved the fast boot time, but there was this NVIDIA proprietary driver not working properly. I was not able to use all possible resolutions and the picture was buggy. After some time Googling, I just tried to launch the NVIDIA settings which suggested to run nvidia-xconfig to update the X configuration. I did it and it worked perfectly!

Hope this helps smiley

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How to use ssh keys to make password-less logins

I regularly connect to my father's Ubuntu PC using ssh to help or to transfer files through scp. I have been using ssh keys to make these logins password-less and I thought the method needs a blog post :)
Generally a user can have two keys - a private key and a public key which we generate using the following process and then copy the public key to the remote machine. Remember, don't give anyone your private key.

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