diff --git a/CCNA/readme.md b/advanced/learning_bash_scripting.md
similarity index 100%
rename from CCNA/readme.md
rename to advanced/learning_bash_scripting.md
diff --git a/advanced/readme.md b/advanced/readme.md
new file mode 100644
index 0000000..e69de29
diff --git a/generate_toc.py b/generate_toc.py
new file mode 100644
index 0000000..dd5ccef
--- /dev/null
+++ b/generate_toc.py
@@ -0,0 +1,44 @@
+import subprocess
+
+
+LINK = "https://github.com/ekalinin/github-markdown-toc"
+OUTPUT = "readme.md"
+OUTLINE = "outline.md"
+INPUT = [
+ "essential/introduction_to_linux.md",
+ "essential/introduction_to_the_commandline.md",
+ "essential/introduction_to_administration.md",
+ "advanced/learning_bash_scripting.md"
+ ]
+CMD = "gh-md-toc"
+FILTER = "(#"
+TITLE = "Table of Contents"
+
+
+if __name__ == "__main__":
+ try:
+ p = subprocess.Popen([CMD], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+ output, err = p.communicate()
+ except Exception as e:
+ print("please install {}".format(LINK))
+ exit()
+ CONTENT = []
+ for f in INPUT:
+ p = subprocess.Popen([CMD, f], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+ output, err = p.communicate()
+ output = output.decode().split("\n")
+ for line in output:
+ if FILTER in line:
+ line = line.replace(FILTER, "(./{}#".format(f))
+ if TITLE in line:
+ title = " ".join(f.replace(".md", "").split("_")).capitalize()
+ title = title.replace("/", ": ")
+ line = title
+ CONTENT.append(line)
+ p = subprocess.Popen(["cp", OUTLINE, OUTPUT], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+ p.wait()
+ print("writing")
+ with open(OUTPUT, "a") as fp:
+ for line in CONTENT:
+ fp.write("{}\n".format(line))
+ print("done...")
diff --git a/outline.md b/outline.md
new file mode 100644
index 0000000..d2b4c03
--- /dev/null
+++ b/outline.md
@@ -0,0 +1,3 @@
+# Hello world
+
+Welcome!
diff --git a/readme.md b/readme.md
index ee1b2f3..3f129f5 100644
--- a/readme.md
+++ b/readme.md
@@ -1,146 +1,132 @@
-# About
+# Hello world
-Table of Contents
+Welcome!
+
+Essential: introduction to linux
=================
-* [Introduction to Linux](./essential/readme.md#introduction-to-linux)
- * [Where does Linux originate from?](./essential/readme.md#where-does-linux-originate-from)
- * [Who is behind this project?](./essential/readme.md#who-is-behind-this-project)
- * [What is the deal with 'GNU-slash-Linux'?](./essential/readme.md#what-is-the-deal-with-gnu-slash-linux)
- * [Where can you get some Linux?](./essential/readme.md#where-can-you-get-some-linux)
- * [Debian](./essential/readme.md#debian)
-* [How to create a virtual machine](./essential/readme.md#how-to-create-a-virtual-machine)
-* [Breakdown of the Debian installation](./essential/readme.md#breakdown-of-the-debian-installation)
-* [Exercise](./essential/readme.md#exercise)
-* [Quick look at an idle system](./essential/readme.md#quick-look-at-an-idle-system)
-* [Package managers](./essential/readme.md#package-managers)
- * [Graphical installation](./essential/readme.md#graphical-installation)
- * [Command line installation](./essential/readme.md#command-line-installation)
- * [Adding a secondary desktop environment](./essential/readme.md#adding-a-secondary-desktop-environment)
-* [Changing the runlevel](./essential/readme.md#changing-the-runlevel)
-* [Exercise](./essential/readme.md#exercise-1)
-* [Guest additions](./essential/readme.md#guest-additions)
-* [Introduction to the command line](./essential/readme.md#introduction-to-the-command-line)
- * [Compiled vs interpreted](./essential/readme.md#compiled-vs-interpreted)
- * [Note on file extensions](./essential/readme.md#note-on-file-extensions)
-* [More about paths](./essential/readme.md#more-about-paths)
- * [Absolute and relative paths](./essential/readme.md#absolute-and-relative-paths)
- * [root and / and /root are not the same thing](./essential/readme.md#root-and---and-root-are-not-the-same-thing)
-* [Exercise](./essential/readme.md#exercise-2)
-* [A pit stop to review what we've learned so far](./essential/readme.md#a-pit-stop-to-review-what-weve-learned-so-far)
-* [Arguments and flags](./essential/readme.md#arguments-and-flags)
-* [Getting help](./essential/readme.md#getting-help)
- * [Options](./essential/readme.md#options)
- * [Manuals](./essential/readme.md#manuals)
-* [Exercise](./essential/readme.md#exercise-3)
-* [Creating, modifying and deleting](./essential/readme.md#creating-modifying-and-deleting)
- * [Directories](./essential/readme.md#directories)
- * [Files](./essential/readme.md#files)
- * [nano](./essential/readme.md#nano)
- * [vi and vim](./essential/readme.md#vi-and-vim)
-* [Exercise](./essential/readme.md#exercise-4)
-* [Finding stuff](./essential/readme.md#finding-stuff)
- * [Finding files](./essential/readme.md#finding-files)
- * [Searching inside files](./essential/readme.md#searching-inside-files)
- * [Wildcards and regular expressions](./essential/readme.md#wildcards-and-regular-expressions)
-* [Pipes and redirects](./essential/readme.md#pipes-and-redirects)
-* [Users](./essential/readme.md#users)
- * [Adding and removing users](./essential/readme.md#adding-and-removing-users)
- * [Switching user](./essential/readme.md#switching-user)
-* [Permissions](./essential/readme.md#permissions)
- * [Octal number system](./essential/readme.md#octal-number-system)
- * [Changing permissions](./essential/readme.md#changing-permissions)
- * [Changing ownership](./essential/readme.md#changing-ownership)
-* [Remote control of a server](./essential/readme.md#remote-control-of-a-server)
- * [History](./essential/readme.md#history)
- * [SSH and SFTP](./essential/readme.md#ssh-and-sftp)
-* [Bandit](./essential/readme.md#bandit)
+* [Introduction to Linux](./essential/introduction_to_linux.md#introduction-to-linux)
+ * [Where does Linux originate from?](./essential/introduction_to_linux.md#where-does-linux-originate-from)
+ * [Who is behind this project?](./essential/introduction_to_linux.md#who-is-behind-this-project)
+ * [What is the deal with 'GNU-slash-Linux'?](./essential/introduction_to_linux.md#what-is-the-deal-with-gnu-slash-linux)
+ * [Where can you get some Linux?](./essential/introduction_to_linux.md#where-can-you-get-some-linux)
+ * [Debian](./essential/introduction_to_linux.md#debian)
+* [How to create a virtual machine](./essential/introduction_to_linux.md#how-to-create-a-virtual-machine)
+* [Breakdown of the Debian installation](./essential/introduction_to_linux.md#breakdown-of-the-debian-installation)
+* [Exercise](./essential/introduction_to_linux.md#exercise)
+* [Quick look at an idle system](./essential/introduction_to_linux.md#quick-look-at-an-idle-system)
+* [Package managers](./essential/introduction_to_linux.md#package-managers)
+ * [Graphical installation](./essential/introduction_to_linux.md#graphical-installation)
+ * [Command line installation](./essential/introduction_to_linux.md#command-line-installation)
+ * [Adding a secondary desktop environment](./essential/introduction_to_linux.md#adding-a-secondary-desktop-environment)
+* [Changing the runlevel](./essential/introduction_to_linux.md#changing-the-runlevel)
+* [Exercise](./essential/introduction_to_linux.md#exercise-1)
+* [Guest additions](./essential/introduction_to_linux.md#guest-additions)
-# Planning
+
-## Essential
-### Day 1
+Essential: introduction to the commandline
+=================
-* [Introduction to Linux](./essential/readme.md#introduction-to-linux)
- * [Where does Linux originate from?](./essential/readme.md#where-does-linux-originate-from)
- * [Who is behind this project?](./essential/readme.md#who-is-behind-this-project)
- * [What is the deal with 'GNU-slash-Linux'?](./essential/readme.md#what-is-the-deal-with-gnu-slash-linux)
- * [Where can you get some Linux?](./essential/readme.md#where-can-you-get-some-linux)
- * [Debian](./essential/readme.md#debian)
-* [How to create a virtual machine](./essential/readme.md#how-to-create-a-virtual-machine)
-* [Breakdown of the Debian installation](./essential/readme.md#breakdown-of-the-debian-installation)
-* [Exercise](./essential/readme.md#exercise)
-* [Quick look at an idle system](./essential/readme.md#quick-look-at-an-idle-system)
-* [Package managers](./essential/readme.md#package-managers)
- * [Graphical installation](./essential/readme.md#graphical-installation)
- * [Command line installation](./essential/readme.md#command-line-installation)
- * [Adding a secondary desktop environment](./essential/readme.md#adding-a-secondary-desktop-environment)
-* [Changing the runlevel](./essential/readme.md#changing-the-runlevel)
-* [Exercise](./essential/readme.md#exercise-1)
+* [Introduction to the command line](./essential/introduction_to_the_commandline.md#introduction-to-the-command-line)
+ * [Compiled vs interpreted](./essential/introduction_to_the_commandline.md#compiled-vs-interpreted)
+ * [Note on file extensions](./essential/introduction_to_the_commandline.md#note-on-file-extensions)
+* [More about paths](./essential/introduction_to_the_commandline.md#more-about-paths)
+ * [Absolute and relative paths](./essential/introduction_to_the_commandline.md#absolute-and-relative-paths)
+ * [root and / and /root are not the same thing](./essential/introduction_to_the_commandline.md#root-and---and-root-are-not-the-same-thing)
+* [Exercise](./essential/introduction_to_the_commandline.md#exercise)
+* [A pit stop to review what we've learned so far](./essential/introduction_to_the_commandline.md#a-pit-stop-to-review-what-weve-learned-so-far)
+* [Arguments and flags](./essential/introduction_to_the_commandline.md#arguments-and-flags)
+* [Getting help](./essential/introduction_to_the_commandline.md#getting-help)
+ * [Options](./essential/introduction_to_the_commandline.md#options)
+ * [Manuals](./essential/introduction_to_the_commandline.md#manuals)
+ * [Exercise](./essential/introduction_to_the_commandline.md#exercise-1)
+* [Creating, modifying and deleting](./essential/introduction_to_the_commandline.md#creating-modifying-and-deleting)
+ * [Directories](./essential/introduction_to_the_commandline.md#directories)
+ * [Files](./essential/introduction_to_the_commandline.md#files)
+ * [Links](./essential/introduction_to_the_commandline.md#links)
+* [Editors](./essential/introduction_to_the_commandline.md#editors)
+ * [nano](./essential/introduction_to_the_commandline.md#nano)
+ * [Exercise](./essential/introduction_to_the_commandline.md#exercise-2)
+ * [vi and vim](./essential/introduction_to_the_commandline.md#vi-and-vim)
+ * [Exercise](./essential/introduction_to_the_commandline.md#exercise-3)
+* [Opening or peaking into files](./essential/introduction_to_the_commandline.md#opening-or-peaking-into-files)
+* [Exercise](./essential/introduction_to_the_commandline.md#exercise-4)
+* [Finding stuff](./essential/introduction_to_the_commandline.md#finding-stuff)
+ * [Finding files](./essential/introduction_to_the_commandline.md#finding-files)
+ * [The easy way](./essential/introduction_to_the_commandline.md#the-easy-way)
+ * [The hard way](./essential/introduction_to_the_commandline.md#the-hard-way)
+* [Exercise](./essential/introduction_to_the_commandline.md#exercise-5)
+* [Searching inside files](./essential/introduction_to_the_commandline.md#searching-inside-files)
+ * [Wildcards and regular expressions](./essential/introduction_to_the_commandline.md#wildcards-and-regular-expressions)
+ * [Wildcards](./essential/introduction_to_the_commandline.md#wildcards)
+* [Exercise](./essential/introduction_to_the_commandline.md#exercise-6)
+* [Exercise](./essential/introduction_to_the_commandline.md#exercise-7)
+ * [Regular expressions](./essential/introduction_to_the_commandline.md#regular-expressions)
+* [Pipes and redirects](./essential/introduction_to_the_commandline.md#pipes-and-redirects)
+ * [Redirecting](./essential/introduction_to_the_commandline.md#redirecting)
+ * [Piping](./essential/introduction_to_the_commandline.md#piping)
+* [Text manipulation](./essential/introduction_to_the_commandline.md#text-manipulation)
+* [Ideas](./essential/introduction_to_the_commandline.md#ideas)
-### Day 2
+
-* [Guest additions](./essential/readme.md#guest-additions)
-* [Introduction to the command line](./essential/readme.md#introduction-to-the-command-line)
- * [Compiled vs interpreted](./essential/readme.md#compiled-vs-interpreted)
- * [Note on file extensions](./essential/readme.md#note-on-file-extensions)
-* [More about paths](./essential/readme.md#more-about-paths)
- * [Absolute and relative paths](./essential/readme.md#absolute-and-relative-paths)
- * [root and / and /root are not the same thing](./essential/readme.md#root-and---and-root-are-not-the-same-thing)
-* [Exercise](./essential/readme.md#exercise-2)
-* [A pit stop to review what we've learned so far](./essential/readme.md#a-pit-stop-to-review-what-weve-learned-so-far)
-* [Arguments and flags](./essential/readme.md#arguments-and-flags)
-* [Getting help](./essential/readme.md#getting-help)
- * [Options](./essential/readme.md#options)
- * [Manuals](./essential/readme.md#manuals)
-* [Exercise](./essential/readme.md#exercise-3)
-* [Creating, modifying and deleting](./essential/readme.md#creating-modifying-and-deleting)
- * [Directories](./essential/readme.md#directories)
- * [Files](./essential/readme.md#files)
- * [nano](./essential/readme.md#nano)
- * [vi and vim](./essential/readme.md#vi-and-vim)
-* [Exercise](./essential/readme.md#exercise-4)
-### Day 3
+Essential: introduction to administration
+=================
-* [Finding stuff](./essential/readme.md#finding-stuff)
- * [Finding files](./essential/readme.md#finding-files)
- * [Searching inside files](./essential/readme.md#searching-inside-files)
- * [Wildcards and regular expressions](./essential/readme.md#wildcards-and-regular-expressions)
-* [Pipes and redirects](./essential/readme.md#pipes-and-redirects)
-* [Users](./essential/readme.md#users)
- * [Adding and removing users](./essential/readme.md#adding-and-removing-users)
- * [Switching user](./essential/readme.md#switching-user)
-* [Permissions](./essential/readme.md#permissions)
- * [Octal number system](./essential/readme.md#octal-number-system)
- * [Changing permissions](./essential/readme.md#changing-permissions)
- * [Changing ownership](./essential/readme.md#changing-ownership)
-* [Remote control of a server](./essential/readme.md#remote-control-of-a-server)
- * [History](./essential/readme.md#history)
- * [SSH and SFTP](./essential/readme.md#ssh-and-sftp)
+* [Users](./essential/introduction_to_administration.md#users)
+ * [Adding and removing users](./essential/introduction_to_administration.md#adding-and-removing-users)
+ * [GNOME](./essential/introduction_to_administration.md#gnome)
+ * [command line](./essential/introduction_to_administration.md#command-line)
+ * [Switching user](./essential/introduction_to_administration.md#switching-user)
+ * [Groups](./essential/introduction_to_administration.md#groups)
+* [Permissions](./essential/introduction_to_administration.md#permissions)
+ * [Octal number system](./essential/introduction_to_administration.md#octal-number-system)
+ * [Changing ownership](./essential/introduction_to_administration.md#changing-ownership)
+ * [umask](./essential/introduction_to_administration.md#umask)
+ * [Essential programs](./essential/introduction_to_administration.md#essential-programs)
+* [Remote control of a server](./essential/introduction_to_administration.md#remote-control-of-a-server)
+ * [History](./essential/introduction_to_administration.md#history)
+ * [SSH and SFTP](./essential/introduction_to_administration.md#ssh-and-sftp)
+* [Bandit](./essential/introduction_to_administration.md#bandit)
-### Day 4
+
-* [Bandit](./essential/readme.md#bandit)
-### Day 5
+Advanced: learning bash scripting
+=================
-* [Bandit](./essential/readme.md#bandit)
-* [Moving forward](./essential/readme.md#moving-forward)
+* [bash](./advanced/learning_bash_scripting.md#bash)
+* [Using variables to store the output of command](./advanced/learning_bash_scripting.md#using-variables-to-store-the-output-of-command)
+* [Coding challenge - Output system stats](./advanced/learning_bash_scripting.md#coding-challenge---output-system-stats)
+* [Getting input into the script](./advanced/learning_bash_scripting.md#getting-input-into-the-script)
+ * [With read](./advanced/learning_bash_scripting.md#with-read)
+* [Coding challenge - Secret input](./advanced/learning_bash_scripting.md#coding-challenge---secret-input)
+ * [read multiple variables](./advanced/learning_bash_scripting.md#read-multiple-variables)
+ * [With command line arguments](./advanced/learning_bash_scripting.md#with-command-line-arguments)
+ * [From a file](./advanced/learning_bash_scripting.md#from-a-file)
+ * [From a pipe](./advanced/learning_bash_scripting.md#from-a-pipe)
+* [Coding Challenge - output the exact output below](./advanced/learning_bash_scripting.md#coding-challenge---output-the-exact-output-below)
+* [More math!](./advanced/learning_bash_scripting.md#more-math)
+ * [The let keyword](./advanced/learning_bash_scripting.md#the-let-keyword)
+ * [The expr keyword](./advanced/learning_bash_scripting.md#the-expr-keyword)
+ * [Double parenthesis](./advanced/learning_bash_scripting.md#double-parenthesis)
+ * [Variable length](./advanced/learning_bash_scripting.md#variable-length)
+* [If Statements - How to make decisions within your Bash script.](./advanced/learning_bash_scripting.md#if-statements---how-to-make-decisions-within-your-bash-script)
+ * [How does it work behind the scenes?](./advanced/learning_bash_scripting.md#how-does-it-work-behind-the-scenes)
+ * [Nested if statements](./advanced/learning_bash_scripting.md#nested-if-statements)
+* [Coding challenge - File information](./advanced/learning_bash_scripting.md#coding-challenge---file-information)
+ * [A modern version of test](./advanced/learning_bash_scripting.md#a-modern-version-of-test)
+ * [[[ ]]](./advanced/learning_bash_scripting.md#--)
+ * [(( ))](./advanced/learning_bash_scripting.md#---1)
+ * [&& and ||](./advanced/learning_bash_scripting.md#-and--)
+* [Loops - A variety of ways to perform repetitive tasks.](./advanced/learning_bash_scripting.md#loops---a-variety-of-ways-to-perform-repetitive-tasks)
+* [Functions - Reuse code to make life easier.](./advanced/learning_bash_scripting.md#functions---reuse-code-to-make-life-easier)
+* [User Interface - Make your scripts user friendly.](./advanced/learning_bash_scripting.md#user-interface---make-your-scripts-user-friendly)
+ * [Python](./advanced/learning_bash_scripting.md#python)
+ * [Vim as an IDE](./advanced/learning_bash_scripting.md#vim-as-an-ide)
-## CCNA
-
-### Day 1 - 5
-
-* Idem as [essential](#essential)
-
-### Day 6 - 8
-
-* Networking on Debian
-
-### Day 9 - 10
-
-* bash scripting
-* vim customization
+