Feral Cat - Software Development
Building, just because…
Blog posts that cover BASH/terminal topics.
Let’s go over some terminal commands for Beginners. This assumes you have basic computer knowledge and might have some sort of interest in software development. Terminal commands, especially those for linux systems, will get you pretty far. My Setup MacOS Opening Your Terminal On a mac hit command+space. This will open a search window. My … Read more
I’ve had numerous cases where I’ve needed to execute bash commands and return the results in Python for some additional manipulation. My most recent example involved me working with BigQuery schemas. Getting schemas from the CLI was easy peasy but I’m not the best at BASH programming so I naturally turned to something more familiar … Read more
Setting up Kubernetes on AWS and got the unable to connect to the server: getting credentials: exec: executable aws-iam-authenticator not found error? Execute the following to solve your problem! Not going to bore you with fluff this time around. I am assuming that you have homebrew installed which might be a leap. Also I’m on … Read more
Listing the largest N files or folders recursively is handy. Let’s frame a usecase. So, you’re Ubuntu server is tanking. You’re running Jenkins or something else and your job logs have just started piling up. You’re UI doesn’t work anymore and the only thing you can do is SSH into your instance. What do you … Read more
Happen to be trying to remove your computer’s name from your bash/terminal on Ubuntu? I thought it was an eyesore when I was writing up some docs and was taking screenshots. I did some research and thought I’d pass along what I learned. My Setup Windows 10 Ubuntu Subsystem Edit your hidden .bashrc file! So … Read more
What git branch am I in? It’s an age old question I’ll ask myself maybe once an hour. I’ll make a big change, decide that I need to save the repo before I break something, I make a commit (often times with commitizen), and then git push origin … . But where was I pushing … Read more
Are you getting the Permission Denied (Publickey) error? I imagine you’re starting to setup a Digital Ocean droplet or Ubuntu on another cloud provider and need to ssh into your server? After trying are you getting the permission denied (Publickey) error? I was setting up Jenkins and wanted to quickly access the droplet from my … Read more
Getting the ‘Permissions 0644 for yourFile.pem are too open’ error when trying to SSH into your EC2 instance? This is a quick fix using chmod to change your .pem file permissions.
Let’s walk through what creating a blank file from your terminal looks like using a single command. My Computer Setup How To Create a Blank File From your Terminal Ever need a blank file to mock up a file system while on Linux? USE TOUCH! It’s pretty useful when you’re navigating through folders and want … Read more
Need to search for strings across files in Linux or on a Linux server? Use GREP! This will help you find that pesky module that needs updating or that misspelled table name. My Computer Setup macOS The Solution This command will recursively search files and folders for whatever you’re interested in. Still learning about how … Read more