November 2014 archive

Nov 21

Resolved: Where and How to use Name Management function in Excel 2011 for Mac

Resolved: Where and How to use Name Management function in Excel 2011 for Mac So this is one of those things I keep referring back to. One of the key things I do when I work in Excel is control the values that can be entered in certain fields. I am clearly not good at …

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Nov 21

What is: http://OCSP.msocsp.com?

What is: http://ocsp.msocsp.com? MS-OCSP stands for “Online Certificate Status Protocol (OCSP) Extensions” from Microsoft. Although this might seem a bit daunting the plain english version of that isn’t: “Microsoft publishes Open Specifications documentation for protocols, file formats, languages, standards as well as overviews of the interaction among each of these technologies.” This is a protocol …

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Nov 19

Ubuntu 14.04 and above in a Generation 2 Hyper-V Virtual Machine (VM)

Ubuntu 14.04 and above in a Generation 2 Hyper-V Virtual Machine (VM) As most of you know, a Generation 2 Hyper-V Virtual Machine is generally reserved for Windows 2012 or 64 bit versions of Windows 8 as the New virtual Machine Wizard specifies: Generation 2 This virtual machine generation provides support for features such as …

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Nov 17

Resolved: Reverse mapping checking getaddrinfo for {Reverse DNS hostname [IP Address]} failed – POSSIBLE BREAK-IN ATTEMPT!

Resolved: Reverse mapping checking getaddrinfo for {Reverse DNS hostname [IP Address]}¬†failed – POSSIBLE BREAK-IN ATTEMPT! If you start looking at the SSH log: “/var/log/auth.log” you might come across a lot of “Reverse mapping checking getaddrinfo for {Reverse DNS hostname [IP Address]} failed – POSSIBLE BREAK-IN ATTEMPT!” messages. In my case I only had login attempts …

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Nov 17

How to: Override a Location directive on NginX

How to: Override a Location directive on NginX Sometimes when coding you are in need to re-use a lot of the logic across different systems but find yourself needing to overwrite some of that functionality on a special case. In this particular scenario I needed to overwrite a Location directive on NginX. What do I …

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Nov 15

How to: Create an SSH connection using Terminal on Mac OS X & save the configuration for later use / shortcut

How to: Create an SSH connection using Terminal on Mac OS X & save the configuration for later use / shortcut So now that I bought myself a new Mac I decided I would try to avoid by all means installing Windows on it. I use a lot of applications (and some games) that either …

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Nov 15

What is a privileged port on a Mac / Darwin?

What is a privileged port on a Mac / Darwin? Recently I was trying to connect to a remote SSH server using my MacBook. At one point when trying to configure a Tunnel I got an error saying: Privileged ports can only be forwarded by root My first instinct was to make sure I had …

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