Julia Evans

Support DNSSEC resource record types

1

I noticed that the DNSSEC resource record types from [RFC 4034](https://datatracker.ietf.org/doc/html/rfc4034) (`DS`, `DNSKEY`, `RRSIG`, `NSEC`) aren't supported. I came across this when capturing DNS packets using [dnspeep](https://github.com/jvns/dnspeep/) -- some of...

Print out PID of process that made the DNS query

4

Possibly using a similar approach to [dnssnoop](https://github.com/lilydjwg/dnssnoop) on Linux. I'm not sure how to do this on Mac though.

Here's a behaviour I've been observing with multiple monitors: 1. I open a new window (let's say `evince`) on Monitor 1 as a tiling window 2. I switch back to...

Can't listen on privileged ports with `--dev /dev`

10

When I run bwrap with `--dev /dev`, I can't listen on a privileged port like 80. Here's an example, with an strace to show that the `bind` system call is...

Measure how much time is spent on CPU

1

This measures how much time overall the program we're profiling is spending on the CPU! This opens up some exciting visualization possibilities -- now that we're recording whether or not...

Collect success stories

19

I'd like stories from people who are using rbspy. Have you used rbspy successfully to fix a performance problem? What kind of performance problem? How did rbspy help? This helps...

I was just reading this article by @itamarst [Creating a better flamegraph](https://pythonspeed.com/articles/a-better-flamegraph/). It has the cool idea to include some of the source code of the program being profiled in...

I saw someone mention terminal flamegraph viewers on Twitter and how it's nice to be able to view flamegraphs right in your terminal, especially on a remote server where you...

From Mastodon: > seems CNAME records don't accept when the second level of a domain contains a hyphen…? This is a valid domain however: ese.fsr-i.de/