Tuesday, November 18, 2014

The datepart second is not supported by date function dateadd for data type date.

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In Epicor 10, I was trying to create some SQL to combine the values from the SysDate and SysTime fields of table 'erp.PartTran'. Fie...
Wednesday, November 27, 2013

Microsoft Access - Error 3088 "Too many expressions in ORDER BY clause"

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In Access 2010, the maximum number (limit) of fields specified in the 'Order By' clause, seems to be 128. Should be enough for most ...
Wednesday, October 24, 2012

Using tshark to troubleshoot http

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Here I give an example of how to use tshark , which is a command line tool and a part of the wireshark package, to monitor http requests and...

Customizing grub2 boot options in Fedora 18

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In days of old, with RedHat Linux, and Fedora and Centos, on servers I used to disable the default behaviour of console display blanking sc...
Thursday, July 12, 2012

Centos vlan configuration

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On our Centos boxes, we start with a minimal installation, and then add additional rpm packages as required. Today, we wanted to add a vlan...
3 comments:
Thursday, July 05, 2012

AES Encryption & Decryption from the command line with OpenSSL

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Today, I wanted to gain a deeper understanding of AES encryption. I have succesfully used AES encryption with ipsec vpn's. But here I wa...
1 comment:

Using openssl to generate HMAC using a binary key

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If you want to do a quick command-line generation of a HMAC , then the openssl command is useful. For example: # echo -n 'value' ...
3 comments: