Add start of micromamba post

Author: quicknir

_posts/2024-08-09-micromamba-cmake-setup.md

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+---
+layout: post
+title: "Setting up a C++ (and python) environment on Linux with micromamba (and VsCode)"
+---
+
+I've been shilling micromamba a fair bit on both C++ and python servers that I'm a part of. Kind of become
+"that" guy. I've been promising people for a while I'll give a brief intro on it, and especially, helping
+people get started with a C++ development environment. Because it's definitely not trivial.
+
+This is that intro. The earlier sections cover setting up a micromamba environment with everything you need,
+and is relevant to both languages. Then I'll talk about building C++ code and setting up VsCode - this part is
+just for C++ because in Python this stuff will just work (of course).
+
+The only prerequisite is a sane version of Linux. WSL is also fine (where I'm testing this in fact). MacOS
+is also fine, but the command to  (WSL is fine - where this is
+being tested in fact) and basic command line
+familiarity. if you care about the VsCode setup, then have it installed and have
+basic familiarity (or be ready to Google) as I won't cover that.
+
+## Install Micromamba
+Throughout this post I'm going to work entirely in one directory so that at the end, if you're not pleased, you
+can easily delete everything.
+
+```bash
+cd # Switch to home directory
+mkdir asp && cd asp
+```
+
+{% highlight bash %}
+cd # Switch to home directory
+mkdir asp && cd asp
+{% endhighlight %}
+
+The command given is for Linux x86_64....
+
+Next, add the following lines to your .bashrc (if you use zsh - then add it to your .zshrc).
+
+{% highlight bash linenos %}
+export MAMBA_ROOT_PREFIX=~/asp/micromamba  # optional, defaults to ~/micromamba
+eval "$(~/asp/bin/micromamba shell hook -s posix)"
+# micromamba activate default_env
+{% endhighlight %}
+
+Notice the last line is commented - we'll come back to that. Go ahead and source your bashrc.
+
+## Install an environment
+
+Next, run
+
+{% highlight bash linenos %}
+micromamba create -f default_env.yaml
+{% endhighlight %}
+
+You'll be shown a list of everything being installed and prompted - hit y. Installing should just take a few
+seconds.