Add new slides, images

linux_toolkit_2021/bash.sh

+#! /bin/bash
+
+keypause=200
+commandpause=3
+
+while read line 
+do 
+	xdotool key --delay $keypause $line
+	sleep $commandpause
+od < $1

linux_toolkit_2021/css/remark.css

@@ -28,11 +28,6 @@ h1, h2, h3 {
 	max-width: 100%;
 }
 
-
-img {
-	width: 40%;
-}
-
 .remark-inline-code {
 	color: #f18a21;
 }

linux_toolkit_2021/index.html

@@ -25,6 +25,7 @@ class: center, middle
 
 ...a wide spectrum of available **tools** and what you can do with them.
 
+
 ---
 
 # Goals
@@ -78,12 +79,13 @@ Many of the classical Linux tools adhere to the "UNIX principle":
 In a wider, non-programming sense: It's useful to  
 learn things that are small, orthogonal, and compose.
 
+---
 
 # Bash
 
 Related words: terminal, terminal emulator, shell, command line, ...
 
-<img src="images/bash.png">
+<img src="images/bash.png" width="50%">
 
 In a nutshell:  
 Bash is a tool that let's you interact with your computer via text.
@@ -105,11 +107,37 @@ Some commands are really just programs: try typing `firefox` and hitting Enter i
 
 ---
 
-# TODO ls & cd video
+# Filesystem basics
+
+List files and show where we are:
+
+```bash
+ls
+pwd
+```
+
+Enter or leave directories:
+
+```bash
+cd my_folder
+cd ..
+cd /home/nils/Desktop
+cd ~/Desktop
+```
 
 ---
 
-# TODO: vocab
+# Bash terminology
+
+**terminal** is the window in which bash runs.
+
+bash is a kind of **shell**. there are others!
+
+
+<img src="images/terminal_old.webp" alt="https://www.reddit.com/r/raspberry_pi/comments/6se1qy/old_terminal_connected_to_my_pi_emulating_a_modem/" width="60%">
+
+
+
 
 ---
 
@@ -131,9 +159,7 @@ Both redirect command output:
 - `|` redirects to a new command ("piping")
 - `>` redirects into a file ("file redirection" or "redirection" for short)
 
-<img src="images/cat.png" width="30%">
-<img src="images/catpipe.png" width="30%">
-<img src="images/catpiperedirection.png" width="30%">
+<img src="images/catpiperedirection.png" width="60%">
 
 ---
 
@@ -174,6 +200,8 @@ done
 
 ---
 
+class: center, middle
+
 # Tool Galore
 
 We will now talk about multiple tools and how to combine them using bash (mostly).
@@ -190,7 +218,7 @@ two main choices:
 
 these fill niches that bash doesn't, but are still close to the system.
 
-<img src="images/polygon.png">
+<img src="images/polygon.png" width="50%">
 
 ---
 
@@ -394,12 +422,27 @@ xdotool mousemove 20 100 click 1 sleep 2 mosemove 100 20
 
 ---
 
+# Summary
+
+<img src="images/categorization.png" width="60%">
+
+Categories:
+- downloading (like wget, ssh, rsync)
+- text processing (like vim, sed, bash)
+- file conversion (like ffmpeg, pandoc, convert)
+- searching (like sed, grep, find)
+- glue (like xdotools, rofi, xbindkeys, notify-send, python, bash)
+
+---
+
 # Longlist of interesting tools
 
 **stow** lets you manage config files easily.  
 **ranger** is a console-based file manager.  
 **i3** is an alternative window-manager.  
-**borg** is a backup tool.
+**borg** is a backup tool.  
+**nano** is an easy to use console text-editor.
+**rsync** to copy files between machines.
 
 
 ---