diff --git a/docs/20_Installation.md b/docs/20_Installation.md
index 320086837785a1e52131c76e5797aee90695db61..c0ff06c226b91ec711c01d51bfbbfdefe9d03532 100644
--- a/docs/20_Installation.md
+++ b/docs/20_Installation.md
@@ -1,5 +1,14 @@
 ## Installation
 
+<!-- START-ADD-TTY-PLAYER -->
+<html>
+    <script src=ttyrec/webcomponents-lite.min.js></script>
+    <link rel=stylesheet href=ttyrec/tty-player.css>
+    <script src=ttyrec/term.min.js></script>
+    <script src=ttyrec/tty-player.min.js></script>
+</html>
+<!-- END-ADD-TTY-PLAYER -->
+
 ### Linux
 
 Download the binary as root or with sudo
@@ -20,5 +29,11 @@ Test amcli:
 
 ```txt
 /usr/local/bin/amcli -V
-0.4
+0.10
 ```
+
+#### Video
+
+The installation steps above shown in a video:
+
+<tty-player controls rows=20 cols=90 src=files/install_binary.ttyrec poster=npt:33.00></tty-player>
diff --git a/docs/30_Usage.md b/docs/30_Usage.md
index 1c26f0679f28e40ece941a725e1f8db19d2a8abe..08883eef050720d9d066b0cc74f17b515d6a550d 100644
--- a/docs/30_Usage.md
+++ b/docs/30_Usage.md
@@ -1,3 +1,12 @@
+<!-- START-ADD-TTY-PLAYER -->
+<html>
+    <script src=ttyrec/webcomponents-lite.min.js></script>
+    <link rel=stylesheet href=ttyrec/tty-player.css>
+    <script src=ttyrec/term.min.js></script>
+    <script src=ttyrec/tty-player.min.js></script>
+</html>
+<!-- END-ADD-TTY-PLAYER -->
+
 ## Show help
 
 ```text
@@ -60,6 +69,8 @@ You find example snippets in the source code of this project in tests/config/.
 
 ```
 
+<tty-player controls rows=20 cols=90 src=files/usage_show_infos.ttyrec poster=npt:18.00></tty-player>
+
 ## Execute checks
 
 Checks can be defined by writing an INI file that contains meta information and sections for each check.
@@ -72,6 +83,8 @@ Recommendations:
 * The output is JSON in a single line. You can use `jq` to beautify it, eg `[<PATH>]amcli --ini=<FILENAME> | jq`
 * If the bahaviuor seems to be unwanted use `-v` to enable verbose mode. You get more debug output during the execution, showing parsed ini file and more. `[<PATH>]amcli --ini=<FILENAME> -v`
 
+<tty-player controls rows=20 cols=90 src=files/usage_execute.ttyrec poster=npt:18.00></tty-player>
+
 ## Exitcodes
 
 The binary could stop and exit with non zero exitcode.
diff --git a/docs/80_Build.md b/docs/80_Build.md
index 452a742d6db866515a2cf618fca4001c3a933205..a35b0306c4358fc9eee4dee8a5e8b6714d6a5c20 100644
--- a/docs/80_Build.md
+++ b/docs/80_Build.md
@@ -1,3 +1,12 @@
+<!-- START-ADD-TTY-PLAYER -->
+<html>
+    <script src=ttyrec/webcomponents-lite.min.js></script>
+    <link rel=stylesheet href=ttyrec/tty-player.css>
+    <script src=ttyrec/term.min.js></script>
+    <script src=ttyrec/tty-player.min.js></script>
+</html>
+<!-- END-ADD-TTY-PLAYER -->
+
 ## Requirements
 
 ### Linux
@@ -98,6 +107,19 @@ The newly created files and dirs are:
 :
 ```
 
+### Video of the installer
+
+The installer automates several things.
+
+Espacially the download and compiler steps take a while. This video shows the process on my machine.
+
+<tty-player controls rows=20 cols=90 src=files/installer.ttyrec poster=npt:26.00></tty-player>
+
+But a 2nd run is faster. It needs to git pull the appmonitor sources.
+
+<tty-player controls rows=20 cols=90 src=files/installer2.ttyrec poster=npt:7.60></tty-player>
+
+
 ## Build
 
 To build the amcli binary start `./build.php`. This script has command line parameter support.
diff --git a/docs/files/install_binary.ttyrec b/docs/files/install_binary.ttyrec
new file mode 100644
index 0000000000000000000000000000000000000000..d956c10c60947e9a5e7d21085f3ea1298c50681b
Binary files /dev/null and b/docs/files/install_binary.ttyrec differ
diff --git a/docs/files/installer.ttyrec b/docs/files/installer.ttyrec
new file mode 100644
index 0000000000000000000000000000000000000000..5006ddf174e29ce0b3bb245aee56f745ded518b1
Binary files /dev/null and b/docs/files/installer.ttyrec differ
diff --git a/docs/files/installer2.ttyrec b/docs/files/installer2.ttyrec
new file mode 100644
index 0000000000000000000000000000000000000000..25d9e818063bc10712ca6df0c13bd3f816acf2aa
Binary files /dev/null and b/docs/files/installer2.ttyrec differ
diff --git a/docs/files/usage_execute.ttyrec b/docs/files/usage_execute.ttyrec
new file mode 100644
index 0000000000000000000000000000000000000000..039ce00c40c84c0b303e469ba22db79f5d583e84
Binary files /dev/null and b/docs/files/usage_execute.ttyrec differ
diff --git a/docs/files/usage_show_infos.ttyrec b/docs/files/usage_show_infos.ttyrec
new file mode 100644
index 0000000000000000000000000000000000000000..3cb8a01c2141fcfc210356e91cbdbe5fe349abeb
Binary files /dev/null and b/docs/files/usage_show_infos.ttyrec differ
diff --git a/docs/ttyrec b/docs/ttyrec
new file mode 120000
index 0000000000000000000000000000000000000000..4c198cb203e0f7507cefc3f469564e296d75dff6
--- /dev/null
+++ b/docs/ttyrec
@@ -0,0 +1 @@
+/home/axel/sources/docker/docpages/public_html/docs/addons/ttyrec
\ No newline at end of file
diff --git a/helpers/install_binary.cdm b/helpers/install_binary.cdm
new file mode 100644
index 0000000000000000000000000000000000000000..b57be5718f7ab35c1fec5065e863d23ffa7f7d27
--- /dev/null
+++ b/helpers/install_binary.cdm
@@ -0,0 +1,32 @@
+# ----------------------------------------------------------------------
+#
+# CLI demo file
+# used in docs/20_Installation.md
+#
+# ----------------------------------------------------------------------
+
+  # set fake prompt:
+  cdm.setpath "~"
+
+  rem ""
+  rem "Welcome to this ascii demo!"
+  rem "Let's install the appmonitor client binary using curl"
+  rem ""
+  sudo curl -o /usr/local/bin/amcli https://static.iml.unibe.ch/downloads/appmonitor_client/amcli_linux_x86_64
+
+  rem ""
+  rem "Make it executable for everyone"
+  rem ""
+  sudo chmod 0755 /usr/local/bin/amcli
+
+  rem ""
+  rem "We can test to execute it now"
+  rem ""
+
+  /usr/local/bin/amcli -V
+
+  rem ""
+  rem "Great, it seems to work!"
+  rem ""
+
+# ----------------------------------------------------------------------
diff --git a/helpers/installer.cdm b/helpers/installer.cdm
new file mode 100644
index 0000000000000000000000000000000000000000..555f347ed3055527b23f6b898d7a9fbd1af97ccb
--- /dev/null
+++ b/helpers/installer.cdm
@@ -0,0 +1,54 @@
+# ----------------------------------------------------------------------
+#
+# CLI demo file
+# used in docs/80_Build.md
+#
+# ----------------------------------------------------------------------
+
+  rem ""
+  rem "Welcome to this ascii demo!"
+  rem "Let's install the development environment."
+  rem ""
+
+  cdm.shell "sleep 2"
+
+  cdm.shell "mkdir -p ~/tmp/clidemos"
+  cdm.shell "cd ~/tmp/clidemos"
+  cdm.shell "rm -rf ~/tmp/clidemos/appmonitor-cli-client"
+
+  # set fake prompt:
+  cdm.setpath "~/projects/"
+
+  rem ""
+  rem "Let's get the sources."
+  rem ""
+
+  git clone https://git-repo.iml.unibe.ch/iml-open-source/appmonitor-cli-client.git
+  cd appmonitor-cli-client
+  cdm.setpath "~/projects/appmonitor-cli-client"
+
+  ls
+
+  rem ""
+  rem "The 'installer.php' has a help page."
+  rem ""
+  ./installer.php -h
+
+  rem ""
+  rem "The 'installer.php' script prepares the environment to start"
+  rem "development and build of appmonitor cli:"
+  rem ""
+  rem "- get appmonitor source code"
+  rem "- download 'spc' (static-php-cli)"
+  rem "- The 'spc doctor' command installs needed sources."
+  rem "- Spc builds a Php micro sfx with needed php modules."
+  rem "- Create a merged include file of appmonitor client"
+  rem ""
+
+  ./installer.php
+
+  rem ""
+  rem "Great, it seemed to work!"
+  rem ""
+
+# ----------------------------------------------------------------------
diff --git a/helpers/installer2.cdm b/helpers/installer2.cdm
new file mode 100644
index 0000000000000000000000000000000000000000..c6148f1b3f955048e4946cfb360ff1c7ec014e8e
--- /dev/null
+++ b/helpers/installer2.cdm
@@ -0,0 +1,23 @@
+# ----------------------------------------------------------------------
+#
+# CLI demo file
+# used in docs/80_Build.md
+#
+# ----------------------------------------------------------------------
+
+  # set fake prompt:
+  cdm.setpath "~/projects/appmonitor-cli-client"
+  cdm.shell "cd ~/tmp/clidemos/appmonitor-cli-client"
+
+  rem ""
+  rem "Welcome to this ascii demo!"
+  rem "A 2nd run of the 'installer.php' is much faster"
+  rem ""
+
+  time ./installer.php
+
+  rem ""
+  rem "Yep, much faster :-)"
+  rem ""
+
+# ----------------------------------------------------------------------
diff --git a/helpers/scan_ttyrec.sh b/helpers/scan_ttyrec.sh
new file mode 100755
index 0000000000000000000000000000000000000000..b9a7722584ab8e412be8d4efbb6152152dd9545a
--- /dev/null
+++ b/helpers/scan_ttyrec.sh
@@ -0,0 +1,45 @@
+#!/usr/bin/bash
+# ----------------------------------------------------------------------
+# detect ttyplayer in markdown files
+# ----------------------------------------------------------------------
+
+# ----------------------------------------------------------------------
+# CONFIG
+# ----------------------------------------------------------------------
+cd "$(dirname "$0")/../docs" || exit 1
+
+ttysource=/home/axel/sources/docker/docpages/public_html/docs/addons/ttyrec
+
+ttyblock="<!-- START-ADD-TTY-PLAYER -->
+<html>
+    <script src=ttyrec/webcomponents-lite.min.js></script>
+    <link rel=stylesheet href=ttyrec/tty-player.css>
+    <script src=ttyrec/term.min.js></script>
+    <script src=ttyrec/tty-player.min.js></script>
+</html>
+<!-- END-ADD-TTY-PLAYER -->"
+
+# ----------------------------------------------------------------------
+# MAIN
+# ----------------------------------------------------------------------
+echo
+echo "Detect ttyplayer in markdown files..."
+echo
+
+for myfile in $( grep -rl "<tty-player" *md )
+do
+    echo "--- $myfile"
+    if grep -q "$ttyblock" "$myfile"; then
+        echo "SKIP: html header found."
+    else
+        echo "Adding html header..."
+        ( echo "$ttyblock" ; echo; cat "$myfile" ) >> "$myfile.tmp"
+        mv "$myfile.tmp" "$myfile"
+    fi
+
+    # if the 1st player was found: add ttyrec as softlink below docs folder
+    ls -ld ttyrec 2>/dev/null | grep -q "^l" || ln -s "$ttysource"
+done
+
+echo "Done"
+# ----------------------------------------------------------------------
diff --git a/helpers/ttyrecord b/helpers/ttyrecord
new file mode 100644
index 0000000000000000000000000000000000000000..a39b60cf0e79e64d075717e238f2d86c1d3e9d0f
Binary files /dev/null and b/helpers/ttyrecord differ
diff --git a/helpers/usage_execute.cdm b/helpers/usage_execute.cdm
new file mode 100644
index 0000000000000000000000000000000000000000..bc27a65ddc9e72350e8b5c74156cdc0a3fb5d06c
--- /dev/null
+++ b/helpers/usage_execute.cdm
@@ -0,0 +1,28 @@
+# ----------------------------------------------------------------------
+#
+# CLI demo file
+# used in docs/30_Usage.md
+#
+# ----------------------------------------------------------------------
+
+  # set fake prompt:
+  cdm.setpath "~"
+
+  rem ""
+  rem "Welcome to this ascii demo!"
+  rem "Let's execute a check that is declared in an ini file"
+  rem ""
+
+  /usr/local/bin/amcli --ini=tests/configs/metadata.ini
+
+  rem ""
+  rem "If you have tool like jq you can create a more readable output"
+  rem ""
+
+  /usr/local/bin/amcli --ini=tests/configs/metadata.ini | jq
+
+  rem ""
+  rem "Have fun!"
+  rem ""
+
+# ----------------------------------------------------------------------
diff --git a/helpers/usage_show_infos.cdm b/helpers/usage_show_infos.cdm
new file mode 100644
index 0000000000000000000000000000000000000000..c4baa830a15bd64669975544e25812dd3f5adae7
--- /dev/null
+++ b/helpers/usage_show_infos.cdm
@@ -0,0 +1,53 @@
+# ----------------------------------------------------------------------
+#
+# CLI demo file
+# used in docs/30_Usage.md
+#
+# ----------------------------------------------------------------------
+
+  # set fake prompt:
+  cdm.setpath "~"
+
+  rem ""
+  rem "Welcome to this ascii demo!"
+  rem "Let's play around with some parameters"
+  rem ""
+
+  cdm.shell "sleep 2"
+
+  rem ""
+  rem "Show version"
+  rem ""
+  /usr/local/bin/amcli -V
+
+  rem ""
+  rem "That is just the version of the cli wrapper."
+  rem "We can let show the versions of related tools too:"
+  rem "- version of compiled appmonitor"
+  rem "- used PHP version"
+  rem "- included PHP modules"
+  rem ""
+  /usr/local/bin/amcli -b
+
+  rem ""
+  rem "We can list which PHP client checks are included."
+  rem ""
+  /usr/local/bin/amcli -l
+
+  rem ""
+  rem "There is an explain mode."
+  rem "It shows an example ini section for a single check"
+  rem "Let's try the 'ping' check:"
+  rem ""
+  /usr/local/bin/amcli -e=ping
+
+  rem ""
+  rem "The help shows all options"
+  rem ""
+  /usr/local/bin/amcli -h
+
+  rem ""
+  rem "Have fun!"
+  rem ""
+
+# ----------------------------------------------------------------------