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Paul's Time Sink

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mtop

Paul Westbrook | 23 July, 2005 13:17

I just read an article in the July 2005 issue of Linux Magazine on mtop. This is an interesting tool that connects to a mysql database and allows you to see the queries as they happen.  This can be pretty useful, especially if you are trying to track down sql statements that take a long time.

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Internal DNS

Paul Westbrook | 23 July, 2005 12:31

I just noticed something interesting.  Since we use DHCP in out network, I was curious what ip address were allocated to the devices on my network.  So I ran the following command: 

nmap -sP 192.168.1.0/24

I noticed something interesting.  A lot of the machines have fully qualified domain names.  I was curious why this was happening, especially since I didn't create these entries.
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