Howtos / Articles

Force .Net Application to run as 32 bit

If you have a .Net application that has been compiled with the target CPU option set to AnyCPU (as opposed to x86 / 32bit or x64 / 64bit specifically) and you are running a 64bit operating system, that application will automatically run as a 64bit process. If you run it on a 32bit machine, it will run in a 32bit mode. You can however change the CorFlags of the executable, to force it to run as a 32bit process, even…

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Generate SSH Keys on Windows with PuTTYGen (the PuTTY Key Generator)

To generate SSH public and private key pairs on Windows, one of the easiest tools to use, is the PuTTY Key Generator “puttygen.exe” (which can be downloaded from here). The resulting generated files from the PuTTY Key Generator can be used to set up public key authentication with a remote server, allowing for more secure authentication over normal password based authentication (requires disabling password based authentication). Download the PuTTY Key Generator You can download puttygen from the following url: https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html…

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Using SSH Private Key Files with PuTTY

The following guide shows you how to log into a remote server using your private key file. It assumes you already have the associated public key already added into the remote hosts authorized_hosts file. Download PuTTY Download PuTTY if you don’t have it installed yet. You can download PuTTY from the following url: https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html Open PuTTY Run Putty. You should be presented with a screen like this: Enter in the host name or IP address of the host you want…

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Signature Images Missing in Outlook 2013

If you have recently installed or upgraded to Outlook 2013, and use html based signatures with images, you may have found that when you send an email using the signature, the recipient doesn’t get the images on their end. They just appear as a little red cross. Previous versions of Outlook would embed the images in the email, and the recipient would see them fine. In Outlook 2013 however, it now defaults to not embedding the signature images for some…

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Disabling TCP Auto Tuning

If you have a application that uses TCP network communication and it seems to be running slow, you may find that it is because of a feature in Windows called TCP auto tuning. TCP tuning can be used to speed up network communications, but it can also greatly effect performance if not done correctly. By default, the TCP auto tuning feature is enabled in Windows, and in most cases this will work fine, but there may be times where this…

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