Author: calle

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Upgrade Cisco switch from USB stick

Their is several methods and tools to use when you need to upgrade a Cisco Switch today. Some of them require that the switch is online at the network and some not. If you...

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How to update Cisco Switch

For some days ago I needed to upgrade firmware at one of my Cisco 2960-S switches. I havn´t done this for a while so after some searching I found some tips how to do...

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Change or disable sim pin at iPhone

Have you received a new sim card but want to use the same old pin code as you always used or just want to change to an easier pin code? This guide will guide...

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Protect email address from spam bots

If you are having a website you probably have some contact information on it, for example an email address. This email address is exposed for spam bots who scans a lot of websites all...

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Make a SSH-tunnel with Putty

There is different reasons why you want to make a SSH-tunnel, for example if you want to access some service inside a network not published out through the firewall for everyone or if you...

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How to delete BDEDrive partition

I recently discovered a problem when a user wanted to upgrade from a 128GB SSD to a new Samsung 256GB SSD. First I suggested to clone the existing SSD to the new one with...