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Technical notes, renewable energy projects, useful fixes and updates.
TCPDUMP to sniff headers
This tcpdump command will grab the first 1024 bytes (vs. smaller 68 or so) and line buffer the output for all packets using port…
Read more →Subnet Mask Cheat Sheet
The below table shows the amount of hosts that are on a particular subnet.
Read more →ospp.vbs
Very handy for Office 2013 installs http://technet.microsoft.com/en-us/library/ee624350.aspx
Read more →Large BaditemLimit
When moving mailboxes from Exchange x to Exchange 2010 the bad item limit is set at max of 50, if you have a mailbox…
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Delete a nat rule in iptables
First of all I list all the rules including line numbers like this; iptables -L -t nat –line-numbers I then look at the output…
Read more →Don’t ever give up!
When you don’t give up,YOU CANNOT FAIL Derek Redmond running in the 400m Olympic final in Barcelona 1992. This is hard to watch without…
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Exchange 2003 database size
The database size limit for Exchange 2003 standard is 16GB, however SP2 for Exchange 2003 allows you to remove that limit. The default size…
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