Skip to main content

How to fix kernel_task CPU usage on Yosemite

Yesterday I had to hand in my almost new MacBook Pro (Retina) for repair due to a broken logic board. This meant that I had to go back to my old laptop for a little bit. In preparation for this, I dusted off my old MacBook Pro this weekend so that I would have something from in the meantime. Since it was due for an upgrade, I decided to install the Yosemite …

Read More

How to install Yosemite and Ubuntu Linux side-by-side with full disk encryption

This weekend I spent a bit of time playing around with my old MacBook Pro. My goal was to set it up as a backup/test laptop. What I wanted to accomplish was the following: Install Yosemite with Full Disk Encryption (FDE) Install Ubuntu Linux 14.04 LTS with FDE (using LVM) As it turns out, this was a lot more challenging than I thought. My initial approach …

Read More

Autojump: blazing fast filesystem navigation

Autojump: blazing fast filesystem navigation autojump - A cd command that learns - easily navigate directories from the command line I just ran across a very convenient little tool called autojump that I wanted to share. For a number of years, i’ve used aliases in Bash for quickly navigating the file system. autojump makes this unnecessary. OS X crash course …

Read More

Create a bootable USB drive for Yosemite the easy way

Today I decided to take Yosemite for a spin on my old laptop. Since installing from USB is the only way to do a clean install, I started googling around for exact steps (which were somewhat messy). To my surprise, it appears as Apple also realized that this was messy and decided to bake in a solution for this. It isn’t however completely obvious, but here is …

Read More

How to not screw up localization on websites

Poorly implemented translations ‘logic’ is something that really grinds my gear. Today I ran across the new Dyson 360 Eye and it is a case study in how to not do website translations. Since I’m connected to a VPN in Switzerland, this is what I was presented with: As you can see, the website is in German just because I connected through Switzerland. Now let’s …

Read More

Using chain certificates with Nginx

I’m a big fan of Namecheap. They offer cheap SSL certificates that does the trick just fine. For most my projects, I go for their cheapest option (usually ‘PossitiveSSL’). Every time I deploy one of these certificates however, I screw up the order of the chain certificates. The tl;dr is that certificate should go first, and then the supporting chain …

Read More

DEFCON 22 Badge Challenge

This is very cool. The guys at Defcon sure knows how to geek out and create a challenge. Here’s the Badge Challenge Walkthrough.

Read More

TripIt insecurely broadcasts sensitive travel details in calendar feeds; could destroy your vacation

TripIt insecurely broadcasts sensitive travel details in calendar feeds; could destroy your vacation httpshaming: Although I love using TripIt to organize my travel, if you subscribe to a TripIt calendar feed using an application like OS X or iOS Calendar, details about your past and upcoming travel is sent plaintext, unencrypted out over the net: Your name …

Read More