update

collections/android/README.md

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-# Android related
+---
+theme:
+  override:
+    footer:
+      style: template
+      center: "Enable Linux Power with Android"
+      right: "{current_slide} / {total_slides}"
 
-hello
+
+---
+
+# Andriod
+
+
+Android is Linux
+---
+
+- termux - an Android terminal emulator and Linux environment app
+- scrcpy - "screen copy" mirrors Android devices
+  - scrcpy desktop
+- waydriod - android container
+
+-----
+<!-- end_slide -->
+
+https://gs.statcounter.com/os-market-share
+
+![https://gs.statcounter.com/os-market-share](android-market-share.png)
+
+-----
+<!-- end_slide -->
+
+# Android is Linux/bionic Distro
+
+- Android 啟動過程 - init 進程 https://hackmd.io/pJpAeKAeRea0VIW3oI-mXw?view
+  - https://hackmd.io/@AlienHackMd/BkvyAzNf9
+- The Generic Kernel Image (GKI) project 
+  - kernel module interface (KMI)
+- bionic libc (native part) - ndk
+  - BSD license / Small size / Speed
+- android runtime (java part) - sdk
+- adb (android debug bridge) shell
+
+-----
+<!-- end_slide -->
+
+# termux
+
+![https://pbs.twimg.com/media/EeDRB0aX0AMj5kh?format=jpg&name=large](termux-screenshot.jpg)
+
+
+
+-----
+<!-- end_slide -->
+
+# termux application (main parts)
+- single user
+- native (bionic libc)
+- terminal-emulator
+- terminal-shared
+  - shell
+  - socket
+  - am (Activity Manager)
+  - notification
+
+-----
+<!-- end_slide -->
+
+# termux packages
+
+- format - binary deb packages
+  - package manager: pkg / apt
+- single source repo: https://github.com/termux/termux-packages
+- native (bionic libc)
+- termux file system layout
+  - https://github.com/termux/termux-packages/wiki/Termux-file-system-layout
+- repos / mirrors:
+  - termux
+  - termux-root
+  - termux-x11
+  - tut (others)
+
+-----
+<!-- end_slide -->
+
+## proot: An chroot-like implementation using ptrace.
+- General usage information
+  - unset LD_PRELOAD - Termux-exec, execve() hook, conflicts with PRoot.
+  - -r ./rootfs - option to specify the rootfs where Linux distribution was installed.
+  - -0 - tells PRoot to simulate a root user which expected to be always available in Linux distributions. This option will allow you to use package manager.
+  - -b /dev -b /proc -b /sys - make file systems at /dev, /proc, /sys appear in the rootfs. These 3 bindings are important and used by variety of utilities.
+  - /bin/sh - a program that should be executed inside the rootfs. Typically a shell.
+
+-----
+<!-- end_slide -->
+
+## proot-disto git@github.com:termux/proot-distro.git
+
+```
+proot-distro install debian
+proot-distro login debian
+````
+`
+  - ubuntu / redhat
+  - nix
+
+
+-----
+<!-- end_slide -->
+
+
+# termux api
+ -  termux-sms-send
+
+-----
+<!-- end_slide -->
+
+
+
+### other plugins
+ - Termux:API
+ - Termux:Boot
+ - Termux:Float
+ - Termux:Tasker
+
+-----
+<!-- end_slide -->
+
+### build app in termux
+
+https://sdrausty.github.io/docsBuildAPKs/
+https://gist.github.com/tmatz/817bf03433e059bf89c63dc33f286ccb
+
+-----
+<!-- end_slide -->
+
+## termux-rust / android rust
+
+
+### Tier 2 with Host Tools
+### Tier 2 without Host Tools
+
+ * aarch64-linux-android
+ * x86_64-linux-android
+
+https://doc.rust-lang.org/nightly/rustc/platform-support.html
+
+
+-----
+<!-- end_slide -->
+
+## termux-setup-storage
+
+-----
+<!-- end_slide -->
+
+## termux- services / runit
+
+```
+  pkg install termux-services
+```
+
+-----
+<!-- end_slide -->
+
+## ssh
+
+
+
+
+https://blog.csdn.net/Billhe_zju/article/details/122706171
+
+-----
+<!-- end_slide -->
+
+## cli / tui - old school but fashion
+
+
+
+https://blog.csdn.net/Billhe_zju/article/details/122706171
+
+
+
+-----
+<!-- end_slide -->
+
+## termux-docker
+
+-----
+<!-- end_slide -->
+
+
+
+## scrcpy
+
+-----
+<!-- end_slide -->
+
+## scrcpy-desktop
+
+
+-----
+<!-- end_slide -->
+### android desktop
+
+- samsung dex / moto ready for
+  - Linux on DeX (dead)
+- desktop mode / android 15
+
+-----
+<!-- end_slide -->
+# waydroid
+
+LXC
+
+
+-----
+<!-- end_slide -->
+
+----
+
+
+Happy Hacking All Your Linux Devices
+---
+
+Thank you
+---
+
+----

collections/android/termux/REAMDE.md

@@ -0,0 +1,111 @@
+---
+theme:
+  override:
+    footer:
+      style: template
+      center: "Enable Linux Power with Android"
+      right: "{current_slide} / {total_slides}"
+
+
+---
+
+Outline
+---
+
+- termux - an Android terminal emulator and Linux environment app
+- scrcpy - "screen copy" mirrors Android devices
+  - scrcpy desktop
+
+-----
+<!-- end_slide -->
+
+# Android is Linux-based
+
+- Android 啟動過程 - init 進程 https://hackmd.io/pJpAeKAeRea0VIW3oI-mXw?view
+  - https://hackmd.io/@AlienHackMd/BkvyAzNf9
+- The Generic Kernel Image (GKI) project 
+  - kernel module interface (KMI)
+- bionic libc (native part) - ndk
+  - BSD license / Small size / Speed
+- android runtime (java part) - sdk
+- adb (android debug bridge) shell
+
+-----
+<!-- end_slide -->
+
+# termux application (main parts)
+
+- 
+- single user
+
+
+-----
+<!-- end_slide -->
+
+# termux packages
+
+- native (bionic libc)
+- termux file system layout
+  - https://github.com/termux/termux-packages/wiki/Termux-file-system-layout
+
+-----
+<!-- end_slide -->
+
+## proot
+
+-----
+<!-- end_slide -->
+
+## supprot distros
+
+-----
+<!-- end_slide -->
+
+## other repos
+
+- tut
+- termux-root
+- termux-x11
+
+-----
+<!-- end_slide -->
+
+
+# termux api
+ -  termux-sms-send
+
+-----
+<!-- end_slide -->
+
+
+
+### other plugins
+ - Termux:API
+ - Termux:Boot
+ - Termux:Float
+ - Termux:Tasker
+
+-----
+<!-- end_slide -->
+
+### build app in termux
+https://sdrausty.github.io/docsBuildAPKs/
+https://gist.github.com/tmatz/817bf03433e059bf89c63dc33f286ccb
+
+## termux-setup-storage
+
+## termux- services / runit
+
+```
+  pkg install termux-services
+```
+
+## ssh
+
+
+
+
+https://blog.csdn.net/Billhe_zju/article/details/122706171
+
+
+## termux-docker