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I’m TuxNode, a computer science major student.

Passionate and interested in free software. fsf

My Github

自由软件的拥护者

I have to admit that it’s hard to get started using Free Software,

also, FSF(Free Software) is not prevalent to used for work or creation.

However, free software has significant implications for breaking monopolies and closures.

Let’s get started.

软件极简主义 (Minimalism)

Are you be tired of bloated commercial software?

Those software that’s overloaded with features you’ll never use and littered with ads.

So, in order to keep our mind clean. Start to use Arch Linux and free software

Keep you attention in one thing

Arch Linux

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recent-work

并行, 异步和并发

TL;DR 这三个词经常被混着用,但它们回答的是三个不同的问题:并发问的是「同时有几个任务在飞」,并行问的是「有几个核真的在同时执行」,异步问的是「等一个慢操作的时候,要不要把线程也一起停住」。 本文先用手写一个有栈协程把「让出」这件事拆到底层(切换到 rsp 和几个 …

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ELF格式解析

TL;DR 一个 ELF 文件同时被四个角色读写:编译器产出它、链接器改造它、内核加载器消费它、工具与攻击者审视它。这四个读者看的是同一坨字节,但需求完全不同。ELF 的解法是把文件切成两套正交的索引表: Program Header Table(段视图)——给加载器看,描述“运 …

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