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What are clouds made of? Linux servers, mostly.

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File Descriptors: The Numbers Behind Everything

File Descriptors: The Numbers Behind Everything

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13 min read
Your Process Doesn't Exist Alone

Your Process Doesn't Exist Alone

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11 min read
The Parallel Lanes Nobody Uses

The Parallel Lanes Nobody Uses

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13 min read
What Is RAM, Actually?

What Is RAM, Actually?

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16 min read
Your DNS is Lying to You

Your DNS is Lying to You

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12 min read
What Happens When You Press a Key

What Happens When You Press a Key

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12 min read
The Event Loop You're Already Using

The Event Loop You're Already Using

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11 min read
Your String is Not What You Think It Is

Your String is Not What You Think It Is

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14 min read
Signals: The Kernel's Text Messages

Signals: The Kernel's Text Messages

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11 min read
The Invisible Negotiation Between Your Laptop and the Air

The Invisible Negotiation Between Your Laptop and the Air

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16 min read
How a Viking King Ended Up in Your Earbuds

How a Viking King Ended Up in Your Earbuds

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16 min read
Implementing malloc() and free() — memory alignment

Implementing malloc() and free() — memory alignment

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3 min read
How to Engineer a Single Backend Server for 5M Concurrent Connections

How to Engineer a Single Backend Server for 5M Concurrent Connections

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8 min read
I analyzed 250,000 attacks on my Linux servers. Here's what I found.

I analyzed 250,000 attacks on my Linux servers. Here's what I found.

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7 min read
What Happens When You Plug Something In

What Happens When You Plug Something In

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16 min read
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