One of the problems I found when working with my home lab is that I was lacking a solution for storing secrets. Even though there are open source solutions like Hashicorp vault to manage secrets, and managing it something requires maintenance and I didn’t want to have the operational burden. I used to manage my password with a KeePass vault file. However that solution fell short when dealing with multiple devices like phones and multiple laptops.

I have been working with golang projects for quite some time and I found that the usual fork and pull request on github is a bit trickier when working with golang, as golang doesn’t have dependency management tools like python has PyPI or npm for NodeJS, etc. Golang dependency management relies on pretty much git tag or commit hashed to specific repos for using golang modules in your code, in my personal opinion I have mixed feelings about the approach, however I am not going to discuss that here, I might do that in another post.

One of my passions in technology is networking, another passion is open source and linux. So sometimes I come across networking software or just to play around with linux standard networking tools like iptables, tc or iproute2, or even play with open source implementations of routing protocols using Quagga/Bird/FRR/go-bgp. I always found hard when testing this tools to get a proper setup on my laptop. Off course there are some tools that already help us in this regard like GNS3.

One of the most popular services from cloud providers is cloud storage, to be more specific AWS S3, Google Cloud Storage, Azure Storage or any similar service from other cloud providers. This service is very convenient for developers and SREs or System Admins, it solves the problem of managing disks, storage devices , storage servers, etc at a very low cost for storing files, depending on the cloud provider, some of them even offer a staggering 99.

Whenever someone is working with docker and need to move images between hosts without the need for rebuilding them or hosting a private registry. This lightning post will show us 2 commands that will help us to easy move container images between hosts. How to save a docker image for reuse in other host? There is a handy command that helps save a docker image that is already in the system or already built, there are situations where builds take a long time and building the images in multiple hosts is time consuming, so we can save the image and copy it to other host and import it for reuse.