Obviously, the first thing done is back up all your files. A VM for a web server (nginx), a database VM which was both mysql and mongodb, and lastly, a DNS server ( bind) that also doubled as a salt server. So what happens when you have a local esxi server and you realize that your resource usage is higher than what you are actually using.you blow it all away and migrate to docker! :) Such a simple change but something that can have huge impact on how you design your snap package going forward. This allows you to still build a completely bundled and isolated package for installation purposes, but be able to interact with the rest of the system. However, there is an answer! Since snapd version 2.20, Canonical has introduced classic confinement. This is because what is in a snap package, literally cannot interact with anything outside of it's own installation directory. You are presented with OS and permission denied errors. Well with a strict confinement, this completely falls apart. So the problem here is that exa sole purpose is to be a simple replacement for ls which inherently interacts with the file system to give the user some feedback and details about their files. This became really apparent when I went to snap up a package that I came across via reddit ( exa). The big difference here is access and interaction with the rest of the operating system. Then just like the comment in the file states, you are recommeneded to use strict once you are ready to release. When you are developing and testing your snap locally, you are recoomended to use confinement: devmode. The issue is when to use strict versus other options. The point and learning curve I wanted to cover here is the confinement section to the yaml file and the comment that comes along with the file after you initialize the directory, I believe, doesn't help with things. grade : stable # must be 'stable' to release into candidate/stable channels confinement : strict # use 'strict' once you have the right plugs and slots apps : bjarkan : command : env GI_TYPELIB_PATH=$SNAP/usr/lib/girepository-1.0:$SNAP/usr/lib/x86_64-linux-gnu/girepository-1.0 bjarkan parts : bjarkan : plugin : python stage-packages : - gir1.2-gtk-3.0 - python3-dbus - python3-gi
KITEMATIC ARCH BLUETOOTH
For example, here is what I used for packaging up my bluetooth utility Bjarkan: name : bjarkan architectures : version : '1.2.0' summary : Command line bluetooth utility description : | A command line bluetooth utility that allows you to completely manage all things bluetooth. The gist of things is that with a simple yaml file, you can create a snap package to distribute your code.
KITEMATIC ARCH FULL
For a full break down, feel free to head over to snapcraft.io to get all the details. While I won't go through the entire process of building and setting things up, I just wanted to hit on a couple points I learned recently. I know, I know.there is also flatpacks, but while I have investigated, seems like a bit higher barrier to entry than what snaps offer up front. So as I was just getting used to docker and building debian/ubuntu packages (.deb), there is now a new format trying to become standard. And here comes another package format :).
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