Tips&Tricks »

Arduino clones with CH340G IC

Arduino clones with CH340G IC

luca October 20, 2015 0

Recently, I received some Arduino clones, mostly from chinese webstores, that use the CH340G chip as USB-to-serial converter instead of the more common (and I suppose more expensive) FTDI chip: Windows natively does not support that

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Windows: unable to apply GPOs, event id 1065

Windows: unable to apply GPOs, event id 1065

luca August 31, 2015 0

Today I noticed that some Windows servers were not applying the correct GPOs (Group Policy Objects). Troubleshooting the problem, I found the event id 1065 in the Windows eventlog: A GPO was indeed configured with a WMI

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VMware – Unable to remove a datastore

VMware – Unable to remove a datastore

luca July 15, 2015 0

After having emptied a datastore on my vSphere cluster (using the Storage vMotion feature to hot move the virtual machines) I tried to delete it but I got the following error message: The resource <datastore-id> is

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VMware and CDP

VMware and CDP

luca June 1, 2015 0

The Cisco Discovery Protocol (CDP) is a Cisco proprietary protocol to share information between directly connected network devices. It’s very useful, especially in a complex network, to discover its topology, for example which switch port a

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vCenter Converter: How to manually configure the Helper VM

vCenter Converter: How to manually configure the Helper VM

luca April 28, 2015 0

Today I was virtualizing a Linux server using the latest version of the VMware’s vCenter Converter Standalone and I had a problem: the Helper VM, that is the virtual machine created by the Converter to be the target

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IIS 7.5 – Revert custom error pages to inherited ones

IIS 7.5 – Revert custom error pages to inherited ones

luca April 24, 2015 0

On IIS you can define custom error pages for the different HTTP error codes (for example the code 404 stands for “page not found”). Today I needed to revert the custom error pages to

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VMware, how to kill a stuck VM

VMware, how to kill a stuck VM

luca March 28, 2015 0

Today I needed to shut down a virtual machine that was unresponsive. I tried to issue the Power off command from the vSphere client but after some minutes it was still in progress… The solution was

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Eagle – filled circles

Eagle – filled circles

luca January 23, 2015 0

When you draw a cicle in Eagle, it normally has only the outline… here’s a quick trick to fill it: Right click on the circle and choose Properties: Set 0 as the Width value

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KMS server and Windows 8 or Server 2012 clients

KMS server and Windows 8 or Server 2012 clients

luca October 29, 2014 0

Today I needed to activate, using my KMS server running on Windows 2008 R2, some desktops and servers with Windows 8 and Windows 2012. First, you need to install an update, KB2885698, to make the KMS

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Prevent simultaneous connection to wifi and wired networks

Prevent simultaneous connection to wifi and wired networks

luca September 23, 2014 0

After having learned how to create a blacklist of SSIDs, today I’d like to share with you a useful opensource tool to prevent simultaneous connection to a wifi and a wired network. From the security

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