Articles tagged 'devops'

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A simple setup for a Build and Deploy system using GitHub Actions Dec 12 2020

I've been using GitHub Actions on a few projects now, and I find them like the future of what bash scripting was back in the day. I feel I can do pretty much everything in a quick and concise way. In this post, I'll show you the setup I use for a simple...

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Running a web server on FreeBSD inside a jail Jun 27 2020

Creating a jailed web server is a fun exercise to learn how about jails. If you are reading this post, you are probably already convinced of the benefits of running your services inside jails. A jailed service provides additional security by restricting...

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Notes on FreeBSD UFS partition schema Jun 1 2020

Sometimes deciding on a partition schema could be a confusing, here are my notes on partitioning a GPT disk. I hope you find them useful.

I will advice creating a virtual machine using FreeBSD and take it for a spin. It would be nice if we had lots...

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Compiling a custom FreeBSD kernel for Parallels VirtualMachine May 13 2020

I use Parallels on macOS to spin virtual machines for learning purposes. Lately, I've been interested in FreeBSD, so I wanted to create a slimmed-down version of the FreeBSD Kernel for my VM. And that is the topic of this post, how to create a custom...

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Changing blog path in Middleman May 6 2020

I use Middleman as my Static Site Generator, I have two "blogs" in my site:

When I created...

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Host naming organisation for your local lab Jan 28 2020

There are many fields in Computer Science, and tech in general, where you'll want a lab with multiple VMs, containers, or even physical devices running various services. When learning networks, it's useful to have a local lab. Another example is when...

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Running Raspbian OS on QUEMU to learn ARM assembly Jan 19 2020

If you want to get into mobile security or reverse engineering, you'll get to a point when you would like to have access to an ARM processor. There are many devices you could use, but one very cheap (in price not in quality) is the Raspberry pi. You...

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Understanding Disk Images by building a macOS Catalina ISO image for VirtualBox [macOS] Dec 4 2019

Having a virtual machine running macOS opens up a lot of opportunities for learning. If you are into security, you can set up a VM for your security lab. Or if you want to learn networking or kernel debugging, it is also helpful to use a VM. The other...

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Adding Fastlane to an Xcode project Aug 15 2019

We can install Fastlane as a Homebrew cask or as a gem. I'll go the gem route.

add a Gemfile on your project:

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#Gemfile
source "https://rubygems.org"

gem "fastlane"

We are going to use bundler. If you are familiar with Ruby development, you...

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Automating build and TestFlight upload for simple iOS apps Aug 13 2019

Sometimes we only want to do the simplest of tasks of build and upload to TestFlight without having to spend much time doing lots of configuration. Maybe we are only testing a minimum viable product (MVP) and want to make it accessible to beta users...

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Understanding SSH Keys and using Keychain to manage passphrase on macOS Jul 3 2019

Accessing remote servers using passwords has been discouraged for a long time, and it is suggested to use SSH public keys as the authentication method. I've noticed that for some users, the setup and maintenance of their keys becomes a problem, so...

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Using Ansible to automate local tasks and setup Jun 19 2019

We can use an automation tool like Ansible to configure servers, set up CI/CD pipelines, and many more DevOpsy tasks.

This same tool can be used to maintain the setup of our day to day environment (as suggested by my friend Gerardo Santoveña) or automate...

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