This was a response to a Hacker News comment asking me what I've been up to since 2010. I'm posting it here since HN rejects it with "that comment is too long." I suppose that's fair, since this ended up being something of an autobiography.
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What happened after 2010?
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# Basic Full-Disk Encrypted ZFS Thinkpad (w/ 512 sector SSD) booted from USB key | |
# EFI/BOOT: | |
# export BOOT=/dev/disk/by-id/usb-SanDisk_Ultra_Fit_4C530001011030101042-0\:0 | |
# parted --script $BOOT -- \ | |
# mklabel gpt \ | |
# mkpart esp fat32 1MiB 512MiB \ | |
# mkpart primary 512MiB 100% \ | |
# set 1 boot on | |
# mkfs.vfat -n BOOT $BOOT-part1 |
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apiVersion: apps/v1 | |
kind: Deployment | |
metadata: | |
name: nginx-deployment | |
labels: | |
app: nginx | |
spec: | |
replicas: 1 | |
selector: | |
matchLabels: |
• 45-minute systems interview, focus on responding to real world problems with an unhealthy service, such as a web server or database. The interview will start off at a high level troubleshooting a likely scenario, dig deeper to find the cause and some possible solutions for it. The goal is to probe your knowledge of systems at scale and under load, so keep in mind the challenges of the Facebook environment.
• Focus on things such as tooling, memory management and unix process lifecycle.
More specifically, linux troubleshooting and debugging. Understanding things like memory, io, cpu, shell, memory etc. would be pretty helpful. Knowing how to actually write a unix shell would also be a good idea. What tools might you use to debug something? On another note, this interview will likely push your boundaries of what you know (and how to implement it).
Interview is all about taking an ambiguous question of how you might build a system and letting
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wget -c --no-cookies --no-check-certificate --header "Cookie: oraclelicense=accept-securebackup-cookie" https://download.oracle.com/otn-pub/java/jdk/12.0.2+10/e482c34c86bd4bf8b56c0b35558996b9/jdk-12.0.2_linux-x64_bin.tar.gz |
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