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23445

Wolf Incident Postmortem

Incident #210 Status Complete, one action item outstanding. Summary Sentinel consumed by wolf after repeated false alarms. Impact Loss of sentinel. No flock impact. Root causes Sentinel generated noisy alerts due to premature deployment, incomplete training, and overly monotonous task. Oncalls failed to respond to…

23448

Huge pages are a good idea

Nearly all programs are written to access virtual memory addresses, which the CPU must translate to physical addresses. These translations are usually fast because the mappings are cached in the CPU's Translation Lookaside Buffer (TLB) . Unfortunately, virtual memory on x86 has used a 4 kiB page size since the 386 was…

23450

Pwned or Bot

It's fascinating to see how creative people can get with breached data. Of course there's all the nasty stuff (phishing, identity theft, spam), but there are also some amazingly positive uses for data illegally taken from someone else's system. When I first built Have I Been Pwned

23456

Amazon Closing AmazonSmile

The company, which ranks among the top corporate philanthropists in the U.S., will continue to pursue and invest in other areas where it can make meaningful change—from building affordable housing to providing access to computer science education for students in underserved communities.