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Month: May 2016

git – plot the history

May 23, 2016May 22, 2016 Amit Agarwal Leave a comment

git has a very simple solution to see all the commits in a graphical form. If you need to understand all the commits history all you need is

git graphviz|dot -Tpng  -o /tmp/a.png

This will generate a file called /tmp/a.png which will diplay the complete commit history.

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firewalld – enable logging

May 16, 2016May 15, 2016 Amit Agarwal Leave a comment

firewalld by default does not allow packets that are dropped. In some cases, you need to find out if some packet is being dropped or not. For doing so you may want to enable logging of dropped packets with the following command:

sudo firewall-cmd  --set-log-denied=all

This will enable logging all the packets and help you figure out if firewalld is dropping the packet.

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Linux and Photography is my passion. Blog: http://blog.amit-agarwal.co.in

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