I am Julia. Welcome to my blog. Here is each publish I've ever written, organized by category. Take pleasure in! You may subscribe to a weekly digest of those blog posts. I publish computer zines at Wizard Zines. Sep 2024 Some Go web dev notes Sep 2024 Reasons I still love the fish shell Aug 2023 What helps people get snug on the command line? Apr 2016 you'll be able to take the derivative of an everyday expression? PRELOAD is tremendous enjoyable. Apr 2024 Notes on git's error messages Mar 2024 Some Git poll outcomes Mar 2024 The "current department" in git Mar 2024 How HEAD works in git Feb 2024 Fashionable git config choices Feb 2024 Dealing with diverged git branches Jan 2024 Inside .git Jan 2024 Can we think of git commits as diffs, snapshots, and/or histories? Nov 2023 git branches: intuition & reality Nov 2023 How git cherry-decide and revert use 3-way merge Nov 2023 git rebase: what can go mistaken? Nov 2023 Confusing git terminology Oct 2023 Some miscellaneous git facts Sep 2023 In a git repository, where do your information dwell?

Jan 2024 Some notes on NixOS Nov 2023 Some notes on nix flakes Mar 2023 How do Nix builds work? Jul 2023 Why is DNS nonetheless laborious to learn? Nov 2022 Making a DNS query in Ruby from scratch Sep 2022 Why do domain names sometimes end with a dot? Feb 2022 The a number of meanings of "nameserver" and "DNS resolver" Feb 2022 A toy DNS resolver Jan 2022 Some ways DNS can break Jan 2022 Why might you run your individual DNS server? Dec 2021 DNS "propagation" is actually caches expiring Jun 2020 What happens if you replace your DNS? Mar 2025 Requirements for Memory Wave ANSI escape codes Feb 2025 How so as to add a listing to your PATH Feb 2025 Some terminal frustrations Jan 2025 What's concerned in getting a "trendy" terminal setup? Envoy Oct 2018 Some Envoy fundamentals Sep 2018 Modifying my blog's HTTP headers with Cloudflare staff Jul 2018 IP addresses & routing Jul 2018 netdev day 2: shifting away from "as quick as possible" in networking code Jul 2018 netdev day 1: IPsec! Jun 2018 How I take advantage of Wireshark Mar 2018 A couple of issues I've learned about laptop networking Sep 2017 Finding out if/why a server is dropping packets Sep 2017 What's a community interface? Jun 2017 Iptables basics Apr 2017 netdev conference, day 3 Apr 2017 netdev conference, day 2 Apr 2017 Find out how to filter packets super quick: XDP & eBPF!

Apr 2017 netdev convention, day 1 Apr 2017 Decelerate your web with tc Feb 2017 How large can a packet get? Jan 2017 Dissecting an SSL certificate Dec 2016 What's interesting about UDP? Aug 2016 Why do UDP packets get dropped? Jul 2016 How do HTTP requests get despatched to the suitable place? Jun 2016 ★ Why can we use the Linux kernel's TCP stack? May 2016 What are SSL ciphers & session keys? Aug 2024 Go structs are copied on task (and different things about Go I'd missed) Aug 2023 Notes on utilizing a single-person Mastodon server Aug 2023 Behind "Good day World" on Linux Mar 2022 Implementing a toy version of TLS 1.Three Mar 2022 How to make use of undocumented web APIs Feb 2022 Some issues about getaddrinfo that shocked me Jan 2022 How to find a domain's authoritative nameservers Dec 2021 How to make use of dig Nov 2021 How do you inform if an issue is attributable to DNS? Oct 2021 Instruments to discover BGP Sep 2021 Quadratic algorithms are sluggish (and hashmaps are fast) Might 2021 The right way to look on the stack with gdb Could 2021 The OSI mannequin does not map nicely to TCP/IP Apr 2020 Why strace would not work in Docker Mar 2020 Getting began with shaders: signed distance features! Dec 2019 "server" is difficult to outline Dec 2019 How monitoring pixels work Nov 2019 How containers work: overlayfs Oct 2019 SQL queries do not begin with Choose Jan 2018 How does gdb call features? Nov 2017 How do teams work on Linux? Jun 2017 Async IO on Linux: select, poll, and epoll Feb 2017 Bizarre unix thing: 'cd //' Oct 2016 ★ What happens once you begin a process on Linux?

Aug 2016 How does gdb work? Jun 2016 Should you be afraid of Unix signals? Mar 2016 I conquered thread swimming pools! For at present, not less than. Mar 2016 Thread pools! How do I exploit them? Feb 2016 What's "the stack"? Oct 2017 Operating a Kubernetes network Oct 2017 Causes Kubernetes is cool Aug 2017 How Kubernetes certificate authorities work Jul 2017 Cherry selecting commits & shell scripting in golang Jul 2017 How does the Kubernetes scheduler work? Jun 2017 A few things I've realized about Kubernetes Feb 2017 Swapping, Memory Wave Method limits, Memory Wave and cgroups Dec 2016 A container networking overview Nov 2016 What occurs when you run a rkt container? Jun 2024 New zine: How Git Works! Jun 2023 New zine: How Integers and Floats Work Feb 2023 Print copies of The Pocket Information to Debugging have arrived Dec 2022 New zine: The Pocket Information to Debugging May 2022 Pages that didn't make it into "How DNS Works" Apr 2022 New zine: How DNS Works! Oct 2021 All my zines are now available in print! Jun 2021 You can now purchase print model of my zines! Could 2021 I put all of my comics online! Nov 2020 New zine: Hell Yes! CSS! Aug 2020 Wizard Zines' first print run: Assist! I've a Supervisor! Aug 2020 Some extra CSS comics Jul 2020 Some CSS comics Apr 2020 New zine: How Containers Work! Feb 2020 New zine: Become a Choose Star! Oct 2019 Your Linux Toolbox: a box set of my free zines Sep 2019 New zine: HTTP: Study your browser's language! Mar 2019 New zine: Chunk Size Networking! Oct 2018 New zine: Oh shit, git!

Sep 2018 New zine: Assist! I have a manager! Aug 2018 New zine: Bite Measurement Command Line! Apr 2018 New zine: Profiling & tracing with perf! Dec 2017 New zine: So that you want to be a wizard Nov 2017 Linux comics: a small zine Jul 2017 Linux tracing zine Might 2017 "Let's be taught tcpdump" zine: now obtainable for everyone Apr 2017 New zine: let's learn tcpdump! Mar 2023 Building a customized site for zine feedback Dec 2020 How I write helpful programming comics Nov 2020 A brand new approach I am getting suggestions on my zines: beta readers! Feb 2019 !!Con 2019: submit a discuss! Jun 2016 Ideas for making better convention talks & conferences Mar 2015 You'll be able to choose who submits talks to your convention Jun 2014 Ought to my convention do nameless review? May 2014 Nameless discuss overview is wonderful. Oct 2020 A number of issues I've learned about e-mail advertising and marketing Jul 2020 saturday comics: a weekly mailing record of programming comics Jan 2019 A couple of early advertising thoughts Sep 2018 Who pays to coach builders?