James McDonald

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DNS Propagation Test Site

DNS Propagation Test Site

This is a handy site if you are wondering why some parts of the global internet are still resolving an old IP address after a DNS record update. https://www.whatsmydns.net Go to the above site, enter your domain name and wulah!

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Docker LOL

Docker LOL

Just bought copy of www.dockerbook.comĀ and am running through the code samples as I read. Just did a docker ps -a and noticed one of the auto-named containers was "condescending_torvalds". Wondering now what other names Linus will be called as I keep doing the...

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C struct written to file loses settings

C struct written to file loses settings

I am having an issue with a Siemens WinCC control system that writes C struct data to files on disk under windows. The C function in the control system (see below) reads the Tag values from the user interface into a struct and then writes it to disk with a call to...

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Run a command from your bash history

For years I have been typing history and then copying and pasting the result to the command prompt to rerun a command. But you can simply type history, make a note of the number and then type !xxxx where xxx is the number of the command. e.g.: history !1210

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Who’s down with RPC? Apparently not me

Who’s down with RPC? Apparently not me

Just got this error from an Outlook 2010 client: Cannot open your default e-mail folders. You must connect to Microsoft Exchange with the current profile before you can synchronize your folders with your Outlook data file (.ost). P1: 300032 P2: 14.0.7015.1000 P3: heqz...

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Google+ Posts missing images

Google+ Posts missing images

If you have moved from one content management system to another. For example you move from Drupal to Joomla and you have a social media plug-in that posts your articles to your Google+ or Facebook page you might find when you move CMS's that your social media feed is...

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