How to successfully obtain a TLS certificate from Let’s Encrypt with the HTTP challenge when the site is behind Cloudflare.
An introduction on how to design and consume APIs in Rails using GraphQL instead of REST.
A follow up to the previous two posts, on how to encrypt additional drives and have them unlocked automatically at boot
Simple instructions on how to install Ubuntu on a mostly encrypted disk while also doing manual partitioning for flexibility. These instructions assume the system boots in BIOS mode.
Simple instructions on how to install Ubuntu on a mostly encrypted disk while also doing manual partitioning for flexibility. These instructions assume the system boots in UEFI mode.
A few tips on how to reduce Rails boot time, and speed up both assets compilation and RSpec specs.
How to set up and use an Apache Cassandra cluster.
In an app I’m working on, I wanted users to be able to manage active sessions and sign out from any device they are signed in on, by invalidating logins. There’s a gem called authie that does this so you may want to…
Yesterday I configured backups with duplicity on a couple of servers using a 3rd party service, rsync.net, as the backup destination; since I am a little paranoid with backups I also wanted to schedule a daily task on my computer…