WHY42 - 最近更改 [zh-cn]

Ubuntu server setup (VPS)

Riguz — Sun, 04 Oct 2026 13:58:39 GMT

Add deploy user (Github actions)

@@ 第93行： / 第93行： @@
 $ sudo apt install nginx
 $ sudo systemctl status nginx
 </syntaxhighlight>

MediaWiki:Common.css

Riguz — Sat, 03 Oct 2026 03:26:32 GMT

显示更改

Linux server setup

Riguz — Sat, 03 Oct 2026 03:24:48 GMT

Riguz移动页面Linux server setup至Ubuntu server setup (VPS)，不留重定向

←上一版本		2026年10月3日 (六) 03:24的版本
（未显示同一用户的2个中间版本）
第1行：		第1行：
	Ubuntu server setup:		Ubuntu server setup (for new VPS onboarding)

	=~~System~~ settings =		= Installation =
	~~Add admin user:~~		== Ghostty settings ==
	<syntaxhighlight lang="bash">		<syntaxhighlight lang="bash">
	~~adduser sammy~~		# Fix
	~~usermod~~ -~~aG sudo sammy~~		# root@riguz4c8g:~# clear
	su - ~~sammy~~		# 'xterm-ghostty': unknown terminal type."

			infocmp -x xterm-ghostty \| ssh root@83.229.121.141 -- tic -x -
	</syntaxhighlight>		</syntaxhighlight>

	== Update system ==		== Update system ==
	<syntaxhighlight lang="bash">		<syntaxhighlight lang="bash">
	sudo apt update		sudo apt update
	sudo apt upgrade		sudo apt full-upgrade -y
	do-~~release~~-~~upgrade~~		sudo apt autoremove --purge -y
			</syntaxhighlight>

	~~reboot~~		<syntaxhighlight lang="bash">
			root@riguz4c8g:~# lsb_release -a
			No LSB modules are available.
			Distributor ID: Ubuntu
			Description: Ubuntu 24.04.5 LTS
			Release: 24.04
			Codename: noble
	</syntaxhighlight>		</syntaxhighlight>

	~~== hostname ==~~		Not recommended to do-release-upgrade (from 24 -> 26)

			== System settings ==
			Add admin user:
	<syntaxhighlight lang="bash">		<syntaxhighlight lang="bash">
	~~vim /etc/hostname~~		adduser riguz
			usermod -aG sudo riguz
	</syntaxhighlight>		</syntaxhighlight>

	== ~~user~~ ==
			== hostname ==

	<syntaxhighlight lang="bash">		<syntaxhighlight lang="bash">
	~~adduser ubuntu~~		vim /etc/hostname
	~~usermod -aG sudo ubuntu~~
	</syntaxhighlight>		</syntaxhighlight>

第66行：		第80行：
	sudo ufw allow 80		sudo ufw allow 80
	sudo ufw allow 443		sudo ufw allow 443
	sudo ufw allow ~~50000~~		sudo ufw allow 54194
	sudo ufw status numbered		sudo ufw status numbered
	</syntaxhighlight>		</syntaxhighlight>

首页

Riguz — Sun, 27 Sep 2026 15:11:36 GMT

页面内容被替换为“ 📚 {{NUMBEROFPAGES}} 页笔记 · 📝 {{NUMBEROFARTICLES}} 篇技术文章 · ✏️ {{NUMBEROFEDITS}} 次编辑”

←上一版本		2026年9月27日 (日) 15:11的版本
第1行：		第1行：
	~~= 全栈开发者的技术实验室 =~~
	~~从 JVM 字节码到 ESP32 引脚，偶尔写诗~~

	📚 {{NUMBEROFPAGES}} 页笔记 · 📝 {{NUMBEROFARTICLES}} 篇技术文章 · ✏️ {{NUMBEROFEDITS}} 次编辑		📚 {{NUMBEROFPAGES}} 页笔记 · 📝 {{NUMBEROFARTICLES}} 篇技术文章 · ✏️ {{NUMBEROFEDITS}} 次编辑

	~~----~~

	~~= 🧱 技术支柱 =~~

	~~== [[Category:后端与分布式\|后端与分布式]] ==~~
	~~数据库、JVM、分布式系统、并发、微服务~~
	* 数据库：[[Database]] · [[MySQL]] · [[Redis]] · [[Kafka]]
	* JVM & Java：[[JVM:内存设置]] · [[Java:HashMap]] · [[Java Concurrency]]
	* 分布式：[[Raft算法]] · [[Kafka:吞吐量测试]] · [[Yjs algorithm(YATA)]]
	~~[[Category:后端与分布式\|→ 浏览全部]]~~

	~~== [[Category:系统与底层\|系统与底层]] ==~~
	~~Linux、嵌入式、汇编、硬件~~
	* Linux：[[Linux:top命令]] · [[Linux Extended BPF (eBPF)]]
	* 嵌入式：[[ESP32 max98357a audio output]] · [[STM32 boot mode]] · [[ARM]]
	* 底层：[[ASM introduction]] · [[C++:RVO]]
	~~[[Category:系统与底层\|→ 浏览全部]]~~

	~~== [[Category:AI与算法\|AI 与算法]] ==~~
	~~深度学习、本地大模型、算法题解~~
	* LLM：[[Leveraging Ollama to Build Your Local LLM Helper]] · [[Llama.cpp]]
	* 深度学习：[[Deep Learning]] · [[PyTorch get started]]
	* 算法：[[Algorithm collection]] · [[Dynamic Programming]] · [[Alpha-Beta搜索算法]]
	~~[[Category:AI与算法\|→ 浏览全部]]~~

	~~----~~

	~~= 🎲 随便翻翻 =~~
	~~[{{fullurl:Special:Random}} 点我随机打开一篇文章]~~

	~~----~~

	~~= 🆕 最近更新 =~~
	~~{{Special:RecentChanges/5}}~~

	~~----~~

	~~= ⭐ 本周精选 =~~
	* [[Yjs varint encoding]] — CRDT 中的变长整数编码，决定同步时的带宽效率
	* [[Leveraging Ollama to Build Your Local LLM Helper]] — 把本地大模型融入开发流程
	* [[Why float division is faster than integer division]] — 一个反直觉的性能细节

	~~----~~

	~~= 📊 知识版图 =~~
	~~\| 领域 \| 数量 \|~~
	~~\|------\|------\|~~
	~~\| [[Category:Database\|数据库]] \| {{PAGESINCATEGORY:Database}} \|~~
	~~\| [[Category:Algorithm\|算法]] \| {{PAGESINCATEGORY:Algorithm}} \|~~
	~~\| [[Category:Concurrency\|并发]] \| {{PAGESINCATEGORY:Concurrency}} \|~~
	~~\| [[Category:HTTP\|HTTP]] \| {{PAGESINCATEGORY:HTTP}} \|~~
	~~\| [[Category:Embedded\|嵌入式]] \| {{PAGESINCATEGORY:Embedded}} \|~~
	~~\| [[Category:Deep Learning\|深度学习]] \| {{PAGESINCATEGORY:Deep Learning}} \|~~

	~~----~~

	~~= 🛠️ 此刻在折腾 =~~
	* Kubernetes Storage Class 调优
	* ESP32 + MAX98357A 音频输出链路
	* 重读《Designing Data-Intensive Applications》
	* [[Why float division is faster than integer_division\|为什么 float 除法比整数除法快？]]

	~~----~~

	~~= 🌙 诗词角落 =~~
	~~<div class="mw-collapsible mw-collapsed">~~
	~~<div style="font-weight:bold; cursor:pointer;">点击展开</div>~~
	~~<div class="mw-collapsible-content">~~
	~~[[五言:咏霞·其一]] · [[五言:咏霞·其二]] · [[七言:冬雪]] · [[七言:夜路]] · [[相见欢:残霞]] · [[骈文:落霞赋]] · [[蝶恋花:小夏]] · [[五言:初雪]]~~
	~~</div>~~
	~~</div>~~

	~~----~~

	~~[[Special:Categories\|浏览全部分类]] · 始于某年某月，持续建设中~~

Opencore Patcher Installation

Riguz — Tue, 15 Sep 2026 06:05:36 GMT

←上一版本		2026年9月15日 (二) 06:05的版本
（未显示同一用户的1个中间版本）
第1行：		第1行：
	<ref>https://dortania.github.io/OpenCore-Legacy-Patcher/INSTALLER.html#downloading-the-installer</ref>		<ref>https://dortania.github.io/OpenCore-Legacy-Patcher/INSTALLER.html#downloading-the-installer</ref>

			# Create installer, download the latest macOs version (older version may fail to install)
			# Select USB Drive (no need to format to fat32)
			# Build and install Opencore to USB drive
			# Reboot, hold Option, select EFI Boot -> Install macos
			# Format disk: Show all drives, erase it
			# Install macos
			# After reboot, need to copy opencore to usb and copy back to new os
			# Build and install to mac SSD
			# Post install to patch boot (Need to connect to wifi first, if wifi not enabled, patch and reboot first)
			# Clear NVRAM if still see white screen

	~~= Create installer =~~		[[Category:Linux/Unix]]
	~~Install it.~~

Opencore Patcher Installation

Riguz — Sat, 12 Sep 2026 03:41:03 GMT

创建页面，内容为“<ref>https://dortania.github.io/OpenCore-Legacy-Patcher/INSTALLER.html#downloading-the-installer</ref> = Create installer = Install it.”

新页面

<ref>https://dortania.github.io/OpenCore-Legacy-Patcher/INSTALLER.html#downloading-the-installer</ref>

= Create installer =
Install it.