A client with about 150 macOS called me. They needed to find a quick and effective way to flush DNS cache on macOS Terminal. After brewing a great cup of coffee from Guatelama I decided to take on this one. I found a simple combination of commands using the macOS Terminal. Once you open your …
Category Archives: macOS
Enable SSH using the Terminal on macOS
The other day I was helping a client with her mac. Suddenly, Finder crashed and I ended up with just the Terminal open. This is what forced me to enable SSH using the Terminal. I decided to brew a great cup of Bourbon coffee first. To enable SSH using the Terminal is quite simple. It …
Run traceroute on macOS Terminal and Understand the Results
The other day a client was having issues reaching a couple of websites from within their office environment. Our good command line utility traceroute came to the rescue. I used to run this command back in the days when mainly using Windows. Luckily, we can run traceroute in macos terminal. I had to brew another …
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How to Fix Cron “Operation not permitted” error in macOS
I have been working on putting together a simple bash script to backup my client’s macOS users files to a local NAS in their office. I put this script in a cron job in my macOS Big Sur, but kept getting Operation not permitted” error in my macOS Big Sur machine. WTF! Crazy thing was …
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Docker failed to solve with frontend dockerfile.v0: failed to create LLB definition
I was working on improving my Flask skills and at the same time learning about REST APIs and how to build them using Flask, Docker, MongoDB and AWS. I’m using git in order to have my code available and practice whether at home or at the office macOS computer I have. Somehow, after pushing my …
Ping Command Examples in Brief
The ping command is one of the most common used commands in the IT field. After taking a walk in Brooklyn New York City I decided to put together some ping command examples to remember. Basic ping command The most basic ping command example would be to just ping itprohelper.com: You can also test your …
How To Update macOS Using The Terminal
The other day my Finder crashed for some crazy reason. I’m using BigSur and wanted to update macOS using the Terminal since Finder was not responding. I decided to brew one of my favorite medium roast Caturra varietal coffee and put this little tutorial together. Listing Available Updates On The Terminal This is quite simple …
Enable vim Syntax Highlighting
I have to admit, I’m addicted to vim. There are many cool editors out there, but I still not used to them. Now, that I discovered how to enable vim syntax highlighting I decided to share some details. First, I want to thank you for your support with my ITPro Helper shop. I’m going to …
Install Shell Completion for Docker in macOS Big Sur
Docker Desktop comes with scripts to enable completion for the docker and docker-compose commands. The completion scripts may be found inside Docker.app, in the Contents/Resources/etc/ directory and can be installed both in Bash and Zsh. Bash Bash has built-in support for completion To activate completion for Docker commands, these files need to be copied or …
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xcrun: error: invalid active developer path MacOS
Again, I decided to come back and keep up with my path to become a full time Web Developer instead of an “IT handyman”. So, I brewed another cup of my favorite Caturra coffee varietal and poured it on my Caturra coffee varietal mug to get some code with coffee inspiration. I opened my Terminal …
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