Quick subnetting reference

 CIDR block           Subnet Mask                 IP Quantity   /32                           1   /31                           2   /30                           4   /29                      … Continue reading Quick subnetting reference


Ubuntu – find installed packages

I was trying to find out if we've got any kind of squid reporting installed on our proxy server. Just going though the /etc folder didn't cut it, so I did:aptitude search squidaptitude search sargCheck the left of the screen, if it is displaying an i next to the listed item then it means it … Continue reading Ubuntu – find installed packages


We recently released a custom app which requires the use of MS DTC. It's a lengthy process to implement it and it took me a looong time to get it working (the first time).Hope this helps:Enable a firewall exception for MS DTC using Windows Firewall Open Windows Firewall.To open Windows Firewall, on the Start menu, click Control … Continue reading MS DTC