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CentOS Use Public/Private Keys for Authentication

The following Tutorial walks you through how to setup authentication using a key pair to negotiate the connection, stopping the requirement for passwords. 1.First, create a public/private key pai...

How to view which Virtual Machines have Snapshots in VMware

This is a question that I have been asked quite a lot recently. I have found multiple ways to do this but 2 are ones that I have used and find the most suitable. Using vSphere Client ...

Use Google Authenticator for 2FA with SSH

By default, SSH uses password authentication, most SSH hardening instructions recommend using SSH keys instead. However, SSH keys still only provide a single factor authentication, even though it i...

PHP Notice: Undefined index

I have had a few times when coding where I get the error PHP Notice: Undefined Index, I found the below solution to this issue which is an extremely simple fix! How to Fix One simple answer – is...

Managing Application Settings in PHP

There are multiple ways to save application settings/configurations in PHP. You can save them in INI, XML or PHP files as well as a database table. I prefer a combination of the latter two; saving ...

How to recreate all Virtual Directories for Exchange 2007

Here you will find all commands what would help you to recreate all Virtual Directories for Exchange 2007. You can also use just a few of them. But never delete or create it in IIS. This has to be ...

Your client does not support opening this list with windows explorer

When using Office 365 and sharepoint 2010 you may find that trying to open a library in explorer will result in this error: “Your client does not support opening this list with windows explorer” ...

Folder redirection permissions. My Documents / Start Menu / Desktop

How to correctly set-up folder redirection permissions for My Documents, Start Menu and Desktop. I have worked on many company computer systems where this hadn’t been done correctly resulting in fu...

How to turn on automatic logon to a domain with Windows XP, Windows 7 and Server 2008

I had a requirement for some of our security camera servers to login automatically now on a normal standalone computer this is easy but on a domain it gets more complicated. So how did I overcome...

Upgrading a Cisco Catalyst 3560 Switch

Here are my notes on upgrading a Catalyst 3560. I plugged in a laptop to the serial console and an ethernet cable into port 1 (technically interface Gigabit Ethernet 0/1). Here is the official Cisc...