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What are clouds made of? Linux servers, mostly.

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AI 动态:Linux 漏洞自动修补与两款开放权重模型

AI 动态:Linux 漏洞自动修补与两款开放权重模型

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1 min read
The Student Project That Changed Computing: The Story of Linus Torvalds

The Student Project That Changed Computing: The Story of Linus Torvalds

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4 min read
Read a TLS certificate's dates with openssl, and make sure it's the right certificate

Read a TLS certificate's dates with openssl, and make sure it's the right certificate

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3 min read
Harden a fresh Ubuntu 24.04 server with one command (open source)

Harden a fresh Ubuntu 24.04 server with one command (open source)

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2 min read
How to Install Kali Linux on Any PC (Virtual Machine or Dual Boot)

How to Install Kali Linux on Any PC (Virtual Machine or Dual Boot)

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3 min read
Hardening OpenSSH Server in 2026: Kill Password Auth, Use Certificates, and Verify Your Config Like an Attacker

Hardening OpenSSH Server in 2026: Kill Password Auth, Use Certificates, and Verify Your Config Like an Attacker

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7 min read
VPS vs VDS vs Colocation: which one does your workload actually need?

VPS vs VDS vs Colocation: which one does your workload actually need?

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5 min read
Open WebUI Multi-Provider Failover: Docker Compose + LiteLLM Routing Patterns

Open WebUI Multi-Provider Failover: Docker Compose + LiteLLM Routing Patterns

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5 min read
Linux permissions beyond rwx: umask, the sticky bit, setuid and hard links

Linux permissions beyond rwx: umask, the sticky bit, setuid and hard links

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2 min read
Extensão do gnome para papel de parede de tela de bloqueio

Extensão do gnome para papel de parede de tela de bloqueio

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3 min read
Ubuntu 24.04 gets kernel fixes two months after Debian

Ubuntu 24.04 gets kernel fixes two months after Debian

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5 min read
Memory in an XRPL Node: Hunting a Leak That Wasn't There

Memory in an XRPL Node: Hunting a Leak That Wasn't There

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15 min read
Why Do Page Faults Happen? The Demand Paging Lifecycle

Why Do Page Faults Happen? The Demand Paging Lifecycle

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2 min read
I Killed the Parent Process. Its Child Kept the Port.

I Killed the Parent Process. Its Child Kept the Port.

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3 min read
Six Camera Clips, Three in the Archive, Every mv Exited 0: Testing Same-Name Moves From Two Folders

Six Camera Clips, Three in the Archive, Every mv Exited 0: Testing Same-Name Moves From Two Folders

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8 min read
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