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@ -4,7 +4,7 @@ pubDate: 2025-04-14
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description: "使用Nonebot2和官方API,与群u一起搭了个qq机器人。"
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author: "三叶"
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image:
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url: "de040e63935cfba0864716e0e3577515ef9a8590.jpg"
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url: "https://files.seeusercontent.com/2026/03/25/fiG2/pasted-image-1774456117575.webp"
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alt: "img"
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tags: ["Python", "Nonebot2", "QQ机器人", "教程"]
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---
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@ -1,24 +1,194 @@
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---
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title: 'My Second Blog Post'
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pubDate: 2022-07-01
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description: 'This is the first post of my new Astro blog.'
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author: 'Astro Learner'
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image:
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url: 'https://files.seeusercontent.com/2026/03/25/0rSi/rikka-manga.jpeg'
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alt: 'The Astro logo on a dark background with a pink glow.'
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tags: ["astro", "blogging", "learning in public"]
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title: "（教程）树莓派5安装sunshine实现局域网串流"
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pubDate: 2025-04-21
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description: '在树莓派上安装sunshine'
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author: "三叶"
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image:
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url: "https://files.seeusercontent.com/2026/03/25/t2zJ/pasted-image-1774456500701.webp"
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alt: "img"
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tags: ["树莓派", "Linux", "教程"]
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---
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Welcome to my _new blog_ about learning Astro! Here, I will share my learning journey as I build a new website.
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**This blog post also has an English version, click here: [(tutorial) How to Stream Via Sunshine on Your Raspberry Pi 5](https://blog.cloverta.top/archives/203)**
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## What I've accomplished
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## 0.在开始之前
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1. **Installing Astro**: First, I created a new Astro project and set up my online accounts.
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我们需要理解的是，树莓派5是arm64架构处理器，需要看准安装的sunshine版本。
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2. **Making Pages**: I then learned how to make pages by creating new `.astro` files and placing them in the `src/pages/` folder.
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并且Linux环境下配置sunshine会稍微有些麻烦，不过不会太麻烦（大概）
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3. **Making Blog Posts**: This is my first blog post! I now have Astro pages and Markdown posts!
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那我们开始吧。
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## What's next
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## 1.安装sunshine
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I will finish the Astro tutorial, and then keep adding more posts. Watch this space for more to come.
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链接：[LizardByte: Sunshine for Linux](https://github.com/LizardByte/Sunshine/releases)
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树莓派使用的是基于Debian发行版的操作系统，所以我们需要找到 **sunshine-debian-bookworm-arm64.deb 。**单击下载
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将下载好的deb安装包传入树莓派（或者直接在树莓派中下载也一样）。
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进入安装包所在的目录，并在终端输入
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```
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dpkg -i sunshine-debian-bookworm-arm64.deb
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```
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```
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dpkg -i sunshine-debian-bookworm-arm64.deb
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```
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以手动安装sunshine，具体包名请以你的文件名为准。
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如果出现缺少依赖的问题，输入
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```
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sudo apt-get install -f
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```
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```
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sudo apt-get install -f
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```
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安装缺失的依赖。安装好依赖后再安装一次sunshine的deb安装包。
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终端输入
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```
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sunshine
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```
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```
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sunshine
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```
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并回车，检查是否安装成功。
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**注意：**到这一步，sunshine很有可能是没法启动的，因为缺失必要的配置。
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那么紧接着下一步
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## 2.配置树莓派
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### ①更新系统
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确保树莓派的软件是全新的，运行以下命令：
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```
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sudo apt update && sudo apt full-upgrade -y
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```
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```
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sudo apt update && sudo apt full-upgrade -y
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```
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这一步是必要的，因为 Wayland 的支持可能依赖于系统更新。
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### ②启用Wayland支持
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在较新的 Raspberry Pi OS 版本中，Wayland 已默认启用。但如果你使用sunshine时出现报错
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> Error: Environment variable WAYLAND\_DISPLAY has not been defined
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那么首先修改启动配置：
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```
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sudo nano /boot/firmware/config.txt
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```
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```
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sudo nano /boot/firmware/config.txt
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```
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打开启动配置文件，在最后面添加两行
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```
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dtoverlay=vc4-fkms-v3d
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max_framebuffers=2
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```
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```
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dtoverlay=vc4-fkms-v3d
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max_framebuffers=2
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```
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以启动硬件加速，保存并退出后重启设备。
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之后，输入
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```
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sudo raspi-config
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```
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```
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sudo raspi-config
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```
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进入树莓派系统配置，依次选择
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> 6 Advanced Options
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>
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> A6 Wayland
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>
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> W3 Labwc （这是树莓派推荐的 Wayland 合成器）
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配置完成后重启。
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打开VNC远程桌面（切记不要用ssh终端），在终端中输入
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```
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echo $XDG_SESSION_TYPE
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```
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```
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echo $XDG_SESSION_TYPE
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```
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如果输出结果是wayland说明设定成功。
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### ③启用avahi-daemon
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如果出现报错
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> Error: Failed to create client: Daemon not running
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在终端中输入
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```
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systemctl enable avahi-daemon
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```
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```
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systemctl enable avahi-daemon
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```
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## 3.启动sunshine
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非常好！现在应当完成了所有配置！
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在VNC远程桌面的终端输入
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```
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sunshine
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```
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```
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sunshine
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```
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以启动sunshine。
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**注意：**如果你没有安装虚拟显示器，需要保证树莓派至少开启了一个桌面，无论是VNC还是连接物理显示器。最好不要通过ssh终端启动sunshine。
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成功的话应该能在终端看到
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ctrl+鼠标左键单击https://localhost:47990，通过浏览器访问sunshine的Web UI，我们就能看到熟悉的界面啦。
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之后的步骤和Windows端sunshine一样连接就可以了
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61
src/blog/post-3.md
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61
src/blog/post-3.md
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@ -0,0 +1,61 @@
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---
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title: "[学习笔记]逐步解析Peterson算法为什么不会死等"
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pubDate: 2025-06-10
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description: '关于Peterson算法的学习笔记'
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author: "三叶"
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image:
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url: "https://files.seeusercontent.com/2026/03/25/sTq9/pasted-image-1774456630694.webp"
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alt: "zako2"
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tags: ["peterson算法", "操作系统"]
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---
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在OS课程上看到一个有意思的算法——Peterson算法，那么为什么Peterson算法能满足“忙则等待”、“空闲让进”、“有限等待”这三个条件呢？
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先上伪代码：
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```
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bool flag[2]; // 表示进入临界区意愿的数组，初始值都为false
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int turn = 0; // turn表示优先让哪个进程进入临界区
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// P0进程
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flag[0] = true; // 首先将自己的flag设置为1,声明自己需要使用临界区
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turn = 1; // 让P1优先执行，如果P1需要临界区
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while (flag[1] && turn == 1); // 检查P1是否需要临界区
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CRITICAL_SECTION;
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flag[0] = false;
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REMAINDER_SECTION;
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// P1进程
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flag[1] = true;
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turn = 0;
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while (flag[0] && turn == 0);
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CRITICAL_SECTION;
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flag[1] = false;
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REMAINDER_SECTION;
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```
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让我们来分情况分析。
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现在，我们假设P0和P1在并发执行，并且非常巧的是，他们一起完成了第一步，他们俩的flag都是false。
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此时：
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> **\[情况1\]**
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> 若P0先上处理机，将turn设置为1;
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> P1上处理机，将turn设置为0;
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> P0上处理机，P0检查flag和turn，发现trun被改为0，不满足等待条件，P0进入临界区;
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> P1上处理机，P1检查flag和turn，发现flag\[0\]为true且turn未被改变，P1等待。
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> P0上处理机，且P0结束使用临界区，将flag\[1\]改为false;
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> P1上处理机，发现flag\[0\]为false,结束等待，进入临界区;
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>
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> **\[情况2\]**
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> 若P0先上处理机，将turn设置为1;
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> P0继续使用处理机，发现flag\[0\]为true,turn仍然为1,满足等待条件，P0等待;
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> P1上处理机，将turn改为0;
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> P1继续使用处理机，发现flag\[1\]为true,turn仍然为0,满足等待条件，P1等待;
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> P0上处理机，发现turn变为0,不满足等待条件，P0解除等待进入临界区;
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> P1上处理机，发现等待条件仍满足，P1继续等待;
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> P0上处理机，且P0结束使用处理机，将flag\[0\]改为false;
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> P1上处理机，发现flag\[0\] == false, 不满足等待条件，结束等待，进入临界区;
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_YES, IT WORKS ON MY MACHINE._
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