How to really configure Mac SSH agent
We all have some legacy systems out there. That can mean lots of SSH sessions. Occassionally my sessions would hang. One day not only did I find an easy way to reproduce the issue, but I had enough …
Recent blog posts
A variety of essays, HOWTOs and life stories.
Infrastructure evolution
25 years is a long time. It’s flown by. In that time we’ve gone from sysadmins managing dozens of computers to devops and SREs looking after 10-100,000 computers. Let’s take a quick …
Sprints considered harmful
Scrum sprints are a technique of software development. All the pieces of work form a “backlog”. The team plans and estimates how much work they’ll produce for the next …
Lessons from air crash investigations
What can we learn from aircraft investigations and how we can apply these to SRE? … Over Christmas I fell ill, dizzy, unable to concentrate on work or even complete personal projects. Instead I …
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