These are the blogs I read.. some do not get updated very often:
captainkvm.com - Red Hatter that focuses on KVM deployments and scenarios.
servethehome.com - Everything about server hardware for home users
phoronix.com - Everything about Linux
certdepot.net - Information about Linux Errata, tips on certification
major.io - Used to be an Architect at Rackspace, now works for Red Hat.. spans code, projects, archtiecture
stratechery.com - Business strategy, technology, psychology.. the perfect intersection of everything tech
fs.blog - Shane Parrish offers insights into the top leaders and disects it for quick absorption