Tag Archives: MAC

Managing Multiple Python Versions and Packages

After spending a solid afternoon researching and working on deploying multiple Python versions and packages, I realized how much confusion and lack of authoritative posts exist on this subject. There are lots of opinions and suggestions out there which may … Continue reading

Posted in Development Tools, Mac, Mac OS X Big Sur, Mac OS X Catalina, Mac OS X Mavericks, Mac OS X Mojave, Mac OS X Monterey, Mac OS X Yosemite, Operating Systems, Python, Technology, Tips & Tricks | Tagged , , , , , , , , , , , , , , | Leave a comment

Minecraft for $2.5 Billion – Yes, ‘the App’ is King

I’m still not completely over the shock from last November when I learned Microsoft had bought Mojang, the company behind Minecraft, for $2.5 billion dollars. Let me repeat that: “$2.5 BILLION”; you heard right. Markus Persson, the 35 year-old original … Continue reading

Posted in Amazon, Business, Game Programming, Games, Mac OS X Yosemite, Networking, Operating Systems, PC, Programming Languages, Rack Space, Technology, Technology, Virtualization and Cloud Computing, VMware | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

Customize the Mac Terminal Shell Prompt in OS X Yosemite

The Mac prompt is defined by the ‘PS1’ environment variable which can be defined in the ‘.bash_profile’ hidden file. To customize your Mac Terminal Shell Prompt in OS X Yosemite, follow the below steps.

Posted in Mac OS X Yosemite, Operating Systems, Technology | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

BASH Shell Scripting: Passing Arguments to a Python Script

Larry Wall: “Shell programming is a 1950s juke box …” In this short blog I write a small Python utility script to create directories and demonstrate how to utilize it and pass it arguments via BASH shell script. The functionality … Continue reading

Posted in BASH Shell Scripting, Mac OS X Mavericks, Operating Systems, Programming Languages, Python, Technology | Tagged , , , , , , , , , , , , , , , , , , , , , , , | 1 Comment

Unix shell script – convert Mac ASCII file to Unix ASCII file

With some applications like Microsoft Word you can save a file in ASCII format. However, for new lines Macs use a carriage return (ASCII character 015) while Unix uses a linefeed (ASCII character 012). If you save the file as … Continue reading

Posted in Linux, Operating Systems, Programming Languages, Shell Scripts | Tagged , , , , , , , , , | 1 Comment

Functionality of Layer 2 Switches/Bridges

Layer 2 switches and bridges switch frames on a network while layer 3 routers route packets between networks. I once heard a network engineer being asked if a network can be made faster if the network is optimized to use … Continue reading

Posted in Networking, Technology | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | 1 Comment