分类：隨筆

升级服务器系统

把系统升级为了 Debian 13 x86_64 。

仅开放 SSH 。基础组件 Nginx 1.26.3、PHP 8.4.23、MariaDB 11.8.6、Docker 26.1.5、Compose 2.26.1，Swap 4 GB。

应用 SSH、nftables、Fail2ban、PHP-FPM、MariaDB 和 Docker 的资源/日志限制。

SSH 禁用密码登录、root 只允许密钥；nftables 默认拒绝并允许 22/80/443/1935。

https Certbot 定时续签已启用。

2026-07-11
尝试使用MkDocs给实验室编写公开文档

https://remyuu.github.io/VIS_Hiroshima

给实验室写了一些关于新人如何使用SSH连接学校机房服务器的文档。覆盖中文、英语和日语。并且支持提交修改等。

2026-06-09
ai.remoooo.com

2026-06-02

服务器增加虚拟内存

free -h
df -h /

fallocate -l 4G /swapfile
chmod 600 /swapfile
mkswap /swapfile
swapon /swapfile

echo '/swapfile none swap sw 0 0' >> /etc/fstab

sysctl vm.swappiness=20
echo 'vm.swappiness=20' >> /etc/sysctl.conf

free -h
swapon --show

free -h
df -h /

fallocate -l 4G /swapfile
chmod 600 /swapfile
mkswap /swapfile
swapon /swapfile

echo '/swapfile none swap sw 0 0' >> /etc/fstab

sysctl vm.swappiness=20
echo 'vm.swappiness=20' >> /etc/sysctl.conf

free -h
swapon --show

JavaScript

2026-06-02

安卓手机公网监控摄像头推流
安全问题：目前仅仅通过随机 Stream Key 防止未授权推流。

用安卓手机作为摄像头，通过 RTMP 推流到 remoooo.com，并通过 https://remoooo.com/webcam 加密码观看。

Android Phone 通过 RTMP 推流到 Public Server。

Server 端接入 MediaMTX ，转换为 HLS 监听本机地址。
localhost reverse proxy 到 nginx ，用 HTTPS + Basic Auth 最终在 Browser Viewer 查看。

观看入口 rtmp://example.com:1935/

简单的说，服务器端使用 MediaMTX 作为媒体网关。MediaMTX 负责接收手机端 RTMP 推流，并将其转换为浏览器可播放的 HLS 流。

RTMP App：
```
Protocol: RTMP
Server URL: rtmp://example.com:1935
Stream Key: <stream-key>
Video Codec: H.264
Audio Codec: AAC
Resolution: 1280x720
FPS: 30
Video Bitrate: 2000-3000 kbps
Audio Bitrate: 96-128 kbps
Keyframe Interval: 2s
```
Bash
2026-05-31

Ghostty 美化配置 config

# =========================
# Ghostty aesthetic config
# =========================

# ---------- Font ----------
font-family = JetBrainsMono Nerd Font
font-family = Maple Mono NF CN
font-family = Noto Sans CJK SC
font-family = Symbols Nerd Font Mono
font-size = 14
font-thicken = true
font-thicken-strength = 64

# ---------- Theme ----------
theme = dark:Catppuccin Frappe,light:Catppuccin Latte

# ---------- Window ----------
window-padding-x = 12
window-padding-y = 10
window-padding-balance = true
window-padding-color = background
window-save-state = always

# ---------- Transparency / Blur ----------
background-opacity = 0.58
background-blur = macos-glass-regular
background-opacity-cells = false

# ---------- Cursor ----------
cursor-style = bar
cursor-style-blink = false
cursor-color = #e78284
cursor-text = #303446
cursor-click-to-move = true
mouse-hide-while-typing = true
adjust-cursor-thickness = 2

# ---------- Selection ----------
selection-background = #626880
selection-foreground = #c6d0f5

# ---------- macOS titlebar ----------
macos-titlebar-style = transparent
macos-titlebar-proxy-icon = hidden
macos-window-buttons = visible
macos-option-as-alt = true

# ---------- Shell integration ----------
shell-integration = detect
shell-integration-features = cursor,title,sudo,ssh-env,ssh-terminfo

# ---------- Notifications ----------
notify-on-command-finish = unfocused

# ---------- Quick terminal ----------
keybind = global:ctrl+grave_accent=toggle_quick_terminal
quick-terminal-position = top
quick-terminal-size = 42%
quick-terminal-autohide = true

# ---------- Keybinds ----------
keybind = cmd+shift+r=reload_config
keybind = cmd+d=new_split:right
keybind = cmd+shift+d=new_split:down
keybind = cmd+t=new_tab
keybind = cmd+w=close_surface
keybind = cmd+shift+up=jump_to_prompt:-1
keybind = cmd+shift+down=jump_to_prompt:1
keybind = cmd+shift+b=toggle_background_opacity

# =========================
# Ghostty aesthetic config
# =========================

# ---------- Font ----------
font-family = JetBrainsMono Nerd Font
font-family = Maple Mono NF CN
font-family = Noto Sans CJK SC
font-family = Symbols Nerd Font Mono
font-size = 14
font-thicken = true
font-thicken-strength = 64

# ---------- Theme ----------
theme = dark:Catppuccin Frappe,light:Catppuccin Latte

# ---------- Window ----------
window-padding-x = 12
window-padding-y = 10
window-padding-balance = true
window-padding-color = background
window-save-state = always

# ---------- Transparency / Blur ----------
background-opacity = 0.58
background-blur = macos-glass-regular
background-opacity-cells = false

# ---------- Cursor ----------
cursor-style = bar
cursor-style-blink = false
cursor-color = #e78284
cursor-text = #303446
cursor-click-to-move = true
mouse-hide-while-typing = true
adjust-cursor-thickness = 2

# ---------- Selection ----------
selection-background = #626880
selection-foreground = #c6d0f5

# ---------- macOS titlebar ----------
macos-titlebar-style = transparent
macos-titlebar-proxy-icon = hidden
macos-window-buttons = visible
macos-option-as-alt = true

# ---------- Shell integration ----------
shell-integration = detect
shell-integration-features = cursor,title,sudo,ssh-env,ssh-terminfo

# ---------- Notifications ----------
notify-on-command-finish = unfocused

# ---------- Quick terminal ----------
keybind = global:ctrl+grave_accent=toggle_quick_terminal
quick-terminal-position = top
quick-terminal-size = 42%
quick-terminal-autohide = true

# ---------- Keybinds ----------
keybind = cmd+shift+r=reload_config
keybind = cmd+d=new_split:right
keybind = cmd+shift+d=new_split:down
keybind = cmd+t=new_tab
keybind = cmd+w=close_surface
keybind = cmd+shift+up=jump_to_prompt:-1
keybind = cmd+shift+down=jump_to_prompt:1
keybind = cmd+shift+b=toggle_background_opacity

JavaScript

2026-05-30

Chrome 侧栏功能

go to chrome://flags (in url bar)

search for vertical tabs and set it to enabled

right click on the horizontal tab bar (empty space)

Click “show tabs on the side”

2026-04-17
ROG 魔霸9 9955hx3d 5070ti 更换显卡液金为霍尼韦尔7958SP

省流：用时约40分钟，更换前后温度基本不变。

新买的电脑，使用约一周。

更换硅脂前，125w CPU功耗下一直会顶功耗墙95°。双烤CPU约50w功耗释放，CPU约75°左右，GPU在x0甜甜圈下功耗约100w约68-70°。

开始更换霍尼韦尔7958SP 。全部螺丝卸下后小幅度扭动两侧上方把手，用点劲即可拆下散热模组。此时需要额外注意残留在散热模组上的液态金属。

拆下后可以明显观察到不少液金溢出，但是大概是拆的时候挪动的。

散热模组上有海绵垫隔绝液金溢出，保护性还不错。

用酒精和棉条将液金擦除，这个过程需要耐心，弄了大概20分钟。

最终清理干净。

然后更换散热硅脂。合盖结束。

最终烤机温度与更换前基本一致。是的你没看错，是基本一致。

并且可以通过垫高获得额外接近4°的提升。因此何乐而不为呢？

2025-08-07

分类： 隨筆

分类：隨筆