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There are number of interesting use case of git rebase. One of them, is that git rebase cleanly merges the remote branch with local branch. This blog post will try to explain it in more details.

git rebase somehow, is lesser known command for casual user of git. The reason could be that it is better used for some advanced configuration and its bit tricky to use. There are number of useful functionality which can be accomplished using git rebase very easily. This blog post explain one of such function where we can need change already commited/pushed tree

One of the fundamental question, which TCP answer is the Protocol suited for higher transmit rate. So how fast a TCP can go? What all the performance and reliability issues with TCP as transfer rate goes up and up. PAWS (Protection Against Wrapping Sequence) is one such consequence as the network bandwidth goes up. This method is used for Identification and rejection of old duplicate packets which can re-appear in current wrapped Sequence windows or new tcp connection.

TSO helps in reducing cpu workload of packet cutting in 1500 byte and subsequently asking hardware to perform the same functionality. This features is enabled along with hardware support only.

I have looked around the way to find the IP address for Xen guest without login to guest. There were couple of posts and Xen FAQ which list some methods. The following code is very similar to Xen FAQ post in Network section.

There are a few very basic things in C that are widely misunderstood by programmers of all caders. This is not because these things are very complex, but because books and teachers do not give them their due importance while teaching beginners and the misconceptions stick even years later.