DEF CON 29 - Ian Coldwater, Chad Rikansrud - Real Life Story of the 1st Mainframe Container Breakout

[@JyotinderSingh]

I'm a super newbie, not even a hacker (or planning to become one). Just a beginner software dev who follows these two amazing people on twitter. But I've got to say how well this talk is presented! I obviously don't understand everything, but I still get a vague idea of what they're talking about! So cool!

[@RayRedacted]

I am totally biased, yes. I admit it. But this is my favorite DEFCON talk since Dan Kimainsky taught me about DNS 13 years ago. These are my friends. I love them and I love this talk.

[@originalamias]

awesome talk , absolutely nails the technical detail while been accessible to all. Love the positive messages on collaboration and seeking challenges, so important in this time.

[@superscatboy]

Excellent talk! A bit of a shake about the audio quality, but it doesn't really take anything away from the great content :)

[@FunkMasterF]

This is fantastic. An incredible teaming of talent. Very well-presented as well.

[@edwinconcepcion1135]

Excellent presentation! Amazing partnership between the two of you!

[@gnbiebg]

7:53 well placed acab :)

[@DanielAfonso-IT_Consultant]

You are both treasures. Thank you for the education.

[@kylepond1]

The ending is the best. Love ya'll!

[@shady4tv]

23:10 - how did that happen? you typed "/etc/suoders" but it still gave you the /etc/sudoers as output instead of erroring that the file wasn't found... that is some pretty cool hacker black magic :P

[@cdr2289]

The demo uses a system where we copy the output of commands to be able to script and time them. Just a typo in putting that file together. Or black magic lol either way :)

[@shady4tv]

@@cdr2289 Thank for for explaining this and thank you and Ian for the talk! It was a total blast! hope to see more talks from each of you in the future! :)

[@DrTune]

Terrific pair presentation, great fun.

[@SentientMuffin]

10:05 7 layers for that one environment. We need to go deeper!

[@williamchamberlain2263]

Just 3 more layers of abstraction to solve P = NP

[@hansenkids]

Break things more amazingly! 🎉

[@williamchamberlain2263]

This is true Chad. You may not like it but this is what peak server performance looks like.

[@sheepphic]

I use the same zsh theme!

[@vancemorris4178]

> "Who put's containers on a mainframe"? Yeah, zCX is containers in z/OS, but we've had containers on Linux on Z for ever. Please don't conflate the operating systems with the hardware.

[@cdr2289]

Wait, Linux runs on Z? Are you sure?

[@vancemorris4178]

@@cdr2289 It just bugs me when "mainframe" discussions start and end with z/OS.

[@uendarkarplips7263]

They mentioned linux containers on mainframe, though.

[@vancemorris4178]

So... you didn't actually escape zCX's address space in the end? Well, keep trying :D

[@cdr2289]

So True! Would you like to help us get that done?

[@vancemorris4178]

@@cdr2289 Nah, I don't work on z/OS anymore.

[@W1ldTangent]

@bigendiansmalls That handle though 👌

[@lithron]

HONK!

[@cdr2289]

HONK!

[@rjbrake]

Not loud enough

[@JamesMCrutchley]

Very poor audio! -Audio is very low and some what muffled. Could not hear the speakers that well. Watched a couple minutes then skipped around and realized the audio was low and hard to hear throughout the entire video. Very disappointed.

[@moonw0man]

Your device has a really cool feature called a "volume control" you may find that turning it up allows you to hear quieter sounds! There's also closed captioning if you need it.

[@kefsound]

docker is really a step backward in security and computing in general