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How to Debug a Network Connection When Everything Looks Fine

How to Debug a Network Connection When Everything Looks Fine

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5 min read
My Routing Worked But PC1 Said 'Network is Unreachable': VirtualBox + VyOS + TinyCore Fix

My Routing Worked But PC1 Said 'Network is Unreachable': VirtualBox + VyOS + TinyCore Fix

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3 min read
Caddy 2.11.6 turns a silent config failure on /load into an HTTP 400

Fixes a long-standing hang on Unix sockets

Caddy 2.11.6 turns a silent config failure on /load into an HTTP 400

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7 min read
What Is Tailscale? The VPN That Doesn't Suck

What Is Tailscale? The VPN That Doesn't Suck

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3 min read
How I Send 100GB+ Files Directly Between Browsers Without Cloud Storage

How I Send 100GB+ Files Directly Between Browsers Without Cloud Storage

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16 min read
TCP vs UDP: What Is the Difference and When Is Each Used?

TCP vs UDP: What Is the Difference and When Is Each Used?

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6 min read
RustDNS: Writing a Recursive DNS Resolver in Rust, Byte by Byte

RustDNS: Writing a Recursive DNS Resolver in Rust, Byte by Byte

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20 min read
Two in three of our internal calls left the zone they started in

Two in three of our internal calls left the zone they started in

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2 min read
How DNS Works: From yahoo.com to an IP Address

How DNS Works: From yahoo.com to an IP Address

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9 min read
I replaced NFS with a FUSE filesystem on my homelab, and macOS ate three working days

I replaced NFS with a FUSE filesystem on my homelab, and macOS ate three working days

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4 min read
The Foundation: The Open-Source Stack Behind a Home SOC

The Foundation: The Open-Source Stack Behind a Home SOC

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6 min read
Give Your Agent Its Own Public IPv6 Address with Nexus SDK

Give Your Agent Its Own Public IPv6 Address with Nexus SDK

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4 min read
Verifying Google Cloud egress IP ranges with cloud.json and jq

Verifying Google Cloud egress IP ranges with cloud.json and jq

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5 min read
CompTIA Network+: Wireless Configurations and Physical Installations

CompTIA Network+: Wireless Configurations and Physical Installations

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9 min read
What an attacker gains from CVE-2026-7273 on a Zyxel GS1900 switch

What an attacker gains from CVE-2026-7273 on a Zyxel GS1900 switch

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4 min read
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