diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..8963821
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/youngjin.han/dot-cdist/type/__my_computer/manifest~
diff --git a/youngjin.han/cdist.org b/youngjin.han/cdist.org
new file mode 100644
index 0000000..d4d9312
--- /dev/null
+++ b/youngjin.han/cdist.org
@@ -0,0 +1,5 @@
+* non-singleton needs poress ID.
+* singletion should be carried out by itself.
+* verbosity level display me cdist processing information.
+** '-v' is light information.
+** '-vv' and '-vvv' iform me more cidst processing information (e.g. debug, verbose and etc)
diff --git a/youngjin.han/dot-cdist/manifest/init b/youngjin.han/dot-cdist/manifest/init
index ad77f58..1645f89 100644
--- a/youngjin.han/dot-cdist/manifest/init
+++ b/youngjin.han/dot-cdist/manifest/init
@@ -2,7 +2,8 @@ __file /etc/cdist-configured
 
 case "$__target_host" in
     localhost)
+        __motd
         __timezone Asia/Seoul
-        __package emacs --state present
+        __my_computer
     ;;
 esac
diff --git a/youngjin.han/dot-cdist/type/__my_computer/manifest b/youngjin.han/dot-cdist/type/__my_computer/manifest
new file mode 100755
index 0000000..23f356a
--- /dev/null
+++ b/youngjin.han/dot-cdist/type/__my_computer/manifest
@@ -0,0 +1,349 @@
+#!/bin/sh -e
+
+packages_to_install="zsh mosh emacs nmap sipcals"
+
+__apt_update_index
+for package in $package_to_install;
+    do require="__apt_update_index" __package $package --state=present
+done
+
+__require="__package/emacs" \
+__directory ~/.emacs.d
+
+__require="__package/emacs __directory/~/.emacs.d" \
+__file ~/.emacs.d/init.el \
+--owner root \
+--group root \
+--mode 0644 \
+--source - << EOF
+;;; init.el --- GNU Emacs Configuration
+
+;; Copyright (C) 2014 Terencio Agozzino
+
+;; Author: Terencio Agozzino <terencio.agozzino@gmail.com>
+;; Created: February 16, 2014
+;; Homepage: https://github.com/rememberYou/.emacs.d
+;; Keywords: abbrev, convenience, faces, maint, outlines, vc
+
+;; This program is free software. You can redistribute it and/or modify it under
+;; the terms of the Do What The Fuck You Want To Public License, version 2 as
+;; published by Sam Hocevar.
+;;
+;; This program is distributed in the hope that it will be useful, but WITHOUT
+;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+;; FOR A PARTICULAR PURPOSE.
+;;
+;; You should have received a copy of the Do What The Fuck You Want To Public
+;; License along with this program. If not, see http://www.wtfpl.net/.
+
+;;; Commentary:
+
+;; Following lines build the configuration code out of the config.el file.
+
+;;; Code:
+
+;; Make startup faster by reducing the frequency of garbage
+;; collection.
+(setq gc-cons-threshold (* 50 1000 1000))
+
+(require 'package)
+(package-initialize)
+
+(if (file-exists-p (expand-file-name "00_global_config.el" user-emacs-directory))
+    (load-file (expand-file-name "00_global_config.el" user-emacs-directory)))
+
+(if (file-exists-p (expand-file-name "10_magit_config.el" user-emacs-directory))
+    (load-file (expand-file-name "10_magit_config.el" user-emacs-directory)))
+
+(if (file-exists-p (expand-file-name "20_mu4e_config.el" user-emacs-directory))
+    (load-file (expand-file-name "20_mu4e_config.el" user-emacs-directory)))
+
+(if (file-exists-p (expand-file-name "21_smtp_config.el" user-emacs-directory))
+    (load-file (expand-file-name "21_smtp_config.el" user-emacs-directory)))
+
+(if (file-exists-p (expand-file-name "30_agenda_config.el" user-emacs-directory))
+    (load-file (expand-file-name "30_agenda_config.el" user-emacs-directory)))
+
+(if (file-exists-p (expand-file-name "99_custom_config.el" user-emacs-directory))
+    (load-file (expand-file-name "99_custom_config.el" user-emacs-directory)))
+
+(custom-set-variables
+ ;; custom-set-variables was added by Custom.
+ ;; If you edit it by hand, you could mess it up, so be careful.
+ ;; Your init file should contain only one such instance.
+ ;; If there is more than one, they won't work right.
+ '(org-agenda-files
+   (quote
+    ("~/ungleich-learning-circle/youngjin.han/todo-node02-2020.org" "~/ungleich-learning-circle/youngjin.han/learning-node02-2020.org")))
+ '(package-selected-packages (quote (zenburn-theme magit)))
+ '(xterm-mouse-mode t))
+(custom-set-faces
+ ;; custom-set-faces was added by Custom.
+ ;; If you edit it by hand, you could mess it up, so be careful.
+ ;; Your init file should contain only one such instance.
+ ;; If there is more than one, they won't work right.
+)
+
+;; Make gc pauses faster by decreasing the threshold.
+(setq gc-cons-threshold (* 2 1000 1000))
+
+;;; init.el ends here
+EOF
+
+__require="__package/emacs __directory/~/.emacs.d __file/~/.emacs.d/init.el" \
+__file ~/.emacs.d/00_global_config.el \
+--owner root \
+--group root \
+--mode 0644 \
+--source - << EOF
+;; Added by Package.el.  This must come before configurations of
+;; installed packages.  Don't delete this line.  If you don't want it,
+;; just comment it out by adding a semicolon to the start of the line.
+;; You may delete these explanatory comments.
+(package-initialize)
+
+;; load emacs 24's package system. Add MELPA repository.
+(when (>= emacs-major-version 24)
+  (require 'package)
+  (add-to-list
+   'package-archives
+   ;; '("melpa" . "http://stable.melpa.org/packages/") ; many packages won't show if using stable
+   '("melpa" . "http://melpa.milkbox.net/packages/")
+   ;; '("org" . "http://orgmode.org/elpa/")
+      t))
+
+(setq auth-sources '("~/.authinfo.gpg"
+                     "~/.authinfo"))
+
+(setq-default
+;; ad-redefinition-action 'accept                   ; Silence warnings for redefinition
+;; cursor-in-non-selected-windows t                 ; Hide the cursor in inactive windows
+;; display-time-default-load-average nil            ; Don't display load average
+;; fill-column 80                                   ; Set width for automatic line breaks
+ help-window-select t                             ; Focus new help windows when opened
+ indent-tabs-mode nil                             ; Prefers spaces over tabs
+ inhibit-startup-screen t                         ; Disable start-up screen
+;; initial-scratch-message ""                       ; Empty the initial *scratch* buffer
+;; kill-ring-max 128                                ; Maximum length of kill ring
+;; load-prefer-newer t                              ; Prefers the newest version of a file
+;; mark-ring-max 128                                ; Maximum length of mark ring
+;; scroll-conservatively most-positive-fixnum       ; Always scroll by one line
+;; select-enable-clipboard t                        ; Merge system's and Emacs' clipboard
+ tab-width 4                                      ; Set width for tabs
+;; use-package-always-ensure t                      ; Avoid the :ensure keyword for each package
+;; user-full-name "Terencio Agozzino"               ; Set the full name of the current user
+;; user-mail-address "terencio.agozzino@gmail.com"  ; Set the email address of the current user
+ vc-follow-symlinks t                             ; Always follow the symlinks
+;; view-read-only t                                 ; Always open read-only buffers in view-mode
+) 
+(cd "~/")                                         ; Move to the user directory
+(column-number-mode 1)                            ; Show the column number
+(display-time-mode 1)                             ; Enable time in the mode-line
+(fset 'yes-or-no-p 'y-or-n-p)                     ; Replace yes/no prompts with y/n
+(global-hl-line-mode)                             ; Hightlight current line
+;; (set-default-coding-systems 'utf-8)               ; Default to utf-8 encoding
+;; (show-paren-mode 1)                               ; Show the parent
+
+;; use variable-pitch fonts for some headings and titles
+(setq zenburn-use-variable-pitch t)
+
+;; scale headings in org-mode
+(setq zenburn-scale-org-headlines t)
+
+;; scale headings in outline-mode
+(setq zenburn-scale-outline-headlines t)
+
+(setq zenburn-override-colors-alist
+      '(("zenburn-bg+05" . "#282828")
+        ("zenburn-bg+1"  . "#2F2F2F")
+        ("zenburn-bg+2"  . "#3F3F3F")
+        ("zenburn-bg+3"  . "#4F4F4F")))
+(load-theme 'zenburn t)
+
+(set-face-attribute 'default nil :font "Source Code Pro Medium")
+(set-fontset-font t 'latin "Noto Sans")
+(set-frame-font "DejaVu Sans Mono-18" nil t)
+
+;;문법 강조를 활성화
+(global-font-lock-mode t)
+(transient-mark-mode 1)
+
+(when window-system
+  (menu-bar-mode -1)              ; Disable the menu bar
+  (scroll-bar-mode -1)            ; Disable the scroll bar
+  (tool-bar-mode -1)              ; Disable the tool bar
+  (tooltip-mode -1))              ; Disable the tooltips
+
+;; org-mode 설정
+;; org-mode 활성화
+(require 'org)
+
+;; org-mode를 .org로 끝나는 파일에서 활성화
+(add-to-list 'auto-mode-alist '("\\.org$" . org-mode))
+
+;; (global-set-key (kbd "<f3>") (lambda () (interactive) (find-file (concat "~/ungleich-learning-circle/youngjin.han/learning-"(system-name)"-"(substring (current-time-string) -4 nil)".org"))))
+(global-set-key (kbd "<f3>") (lambda () (interactive) (find-file (concat "~/ungleich-learning-circle/youngjin.han/learning-"(system-name)"-"(format-time-string "%Y")".org"))))
+
+(setq org-directory (expand-file-name "~/ungleich-learning-circle/youngjin.han"))
+
+(use-package window
+  :ensure nil
+  :bind (("C-x 3" . hsplit-last-buffer)
+         ("C-x 2" . vsplit-last-buffer))
+  :preface
+  (defun hsplit-last-buffer ()
+    "Gives the focus to the last created horizontal window."
+    (interactive)
+    (split-window-horizontally)
+    (other-window 1))
+
+  (defun vsplit-last-buffer ()
+    "Gives the focus to the last created vertical window."
+    (interactive)
+    (split-window-vertically)
+    (other-window 1)))
+EOF
+
+__require="__package/emacs __directory/~/.emacs.d __file/~/.emacs.d/init.el" \
+__file ~/.emacs.d/10_magit_config.el \
+--owner root \
+--group root \
+--mode 0644 \
+--source - << EOF
+;; Added by Package.el.  This must come before configurations of
+;; installed packages.  Don't delete this line.  If you don't want it,
+;; just comment it out by adding a semicolon to the start of the line.
+;; You may delete these explanatory comments.
+(require 'magit)
+
+(global-set-key (kbd "C-x g") 'magit-status)
+EOF
+
+__require="__package/emacs __directory/~/.emacs.d __file/~/.emacs.d/init.el" \
+__file ~/.emacs.d/20_mu4e_config.el \
+--owner root \
+--group root \
+--mode 0644 \
+--source - << EOF
+;; Added by Package.el.  This must come before configurations of
+;; installed packages.  Don't delete this line.  If you don't want it,
+;; just comment it out by adding a semicolon to the start of the line.
+;; You may delete these explanatory comments.
+(add-to-list 'load-path "/usr/local/share/emacs/site-lisp/mu4e")
+
+(require 'mu4e)
+
+;; location of my maildir
+(setq mu4e-maildir (expand-file-name "~/.maildir/ungleich/youngjin.han@ungleich.ch/"))
+
+(setq mu4e-maildir-shortcuts
+      '( (:maildir "/Inbox"     :key  ?i)
+         (:maildir "/archive"   :key  ?a)
+         (:maildir "/drafts"    :key  ?d)
+         (:maildir "/sent"      :key  ?s)
+         (:maildir "/trash"     :key  ?t)))
+
+;; these are actually the defaults
+(setq
+ mu4e-refile-folder "/archive"    ;; saved messages
+ mu4e-drafts-folder "/drafts"     ;; unfinished messages
+ mu4e-sent-folder   "/sent"       ;; folder for sent messages
+ mu4e-trash-folder  "/trash")     ;; trashed messages
+
+(setq
+ mu4e-index-cleanup nil      ;; don't do a full cleanup check
+ mu4e-index-lazy-check t)    ;; don't consider up-to-date dirs
+
+(setq
+ mu4e-get-mail-command "mbsync -a"                  ;; or fetchmail, or ...
+ mu4e-update-interval 300)                          ;; update every 5 minutes
+
+;; show images
+(setq mu4e-show-images t)
+
+(setq mu4e-reply-to-address "youngjin.han@ungleich.ch"
+      user-mail-address "youngjin.han@ungleich.ch"
+      user-full-name  "YOUNGJIN.HAN")
+
+;; spell check
+(add-hook 'mu4e-compose-mode-hook
+	  (defun my-do-compose-stuff ()
+	    "My settings for message composition."
+	    (set-fill-column 72)
+            (flyspell-mode)))
+
+;;rename files when moving
+;;NEEDED FOR MBSYNC
+(setq mu4e-change-filenames-when-moving t)
+
+;;store org-mode links to messages
+(require 'org-mu4e)
+
+(define-key mu4e-headers-mode-map (kbd "C-c c") 'mu4e-org-store-and-capture)
+(define-key mu4e-view-mode-map    (kbd "C-c c") 'mu4e-org-store-and-capture)
+
+(setq mu4e-headers-skip-duplicates nil)
+
+;;store link to message if in header view, not to header query
+(setq org-mu4e-link-query-in-headers-mode nil)
+EOF
+
+__require="__package/emacs __directory/~/.emacs.d __file/~/.emacs.d/init.el" \
+__file ~/.emacs.d/21_smtp_config.el \
+--owner root \
+--group root \
+--mode 0644 \
+--source - << EOF
+;; Added by Package.el.  This must come before configurations of
+;; installed packages.  Don't delete this line.  If you don't want it,
+;; just comment it out by adding a semicolon to the start of the line.
+;; You may delete these explanatory comments.
+(require 'smtpmail)
+
+;; smtp
+(setq message-send-mail-function 'smtpmail-send-it
+      smtpmail-starttls-credentials
+      '(("smtp.ungleich.ch" 587 nil nil))
+      smtpmail-default-smtp-server "smtp.ungleich.ch"
+      smtpmail-smtp-server "smtp.ungleich.ch"
+      smtpmail-smtp-service 587
+      smtpmail-auth-credentials "~/.authinfo"
+      smtpmail-debug-info t)
+EOF
+
+__require="__package/emacs __directory/~/.emacs.d __file/~/.emacs.d/init.el" \
+__file ~/.emacs.d/30_agenda_config.el \
+--owner root \
+--group root \
+--mode 0644 \
+--source - << EOF
+;; Added by Package.el.  This must come before configurations of
+;; installed packages.  Don't delete this line.  If you don't want it,
+;; just comment it out by adding a semicolon to the start of the line.
+;; You may delete these explanatory comments.
+(require 'org-agenda)
+
+(global-set-key (kbd "C-c a") 'org-agenda)
+
+(require 'org-capture)
+
+(setq org-capture-templates
+      '(("t" "todo" entry (file+headline (concat "~/ungleich-learning-circle/youngjin.han/todo-"(system-name)"-"(format-time-string "%Y")".org") "Tasks")
+	          "* TODO [#A] %?\nSCHEDULED: %(org-insert-time-stamp (org-read-date nil t \"+0d\"))\n%a\n")))
+
+(global-set-key (kbd "<f8>") 'org-todo-list)
+
+(setq org-log-done 'time)
+EOF
+
+__require="__package/emacs __directory/~/.emacs.d __file/~/.emacs.d/init.el" \
+__file ~/.emacs.d/99_custom_config.el \
+--owner root \
+--group root \
+--mode 0644 \
+--source - << EOF
+;; Added by Package.el.  This must come before configurations of
+;; installed packages.  Don't delete this line.  If you don't want it,
+;; just comment it out by adding a semicolon to the start of the line.
+;; You may delete these explanatory comments.
+EOF
diff --git a/youngjin.han/dot-cdist/type/__my_computer/singleton b/youngjin.han/dot-cdist/type/__my_computer/singleton
new file mode 100644
index 0000000..e69de29
diff --git a/youngjin.han/learning-node02-2020.org b/youngjin.han/learning-node02-2020.org
index 9460122..1fb6d2c 100644
--- a/youngjin.han/learning-node02-2020.org
+++ b/youngjin.han/learning-node02-2020.org
@@ -1,3 +1,42 @@
+* 2020-05-06
+** cdist #2: Your first cdist type
+**** Lecture content
+***** Objective
+****** Begin to understand how cdist types function
+***** Steps
+****** DONE Create a new type named `__my_computer`
+       CLOSED: [2020-05-06 수 22:53]
+******* DONE Mark the type as a singleton type
+        CLOSED: [2020-05-06 수 22:53]
+******* DONE Create a `manifest` file in it
+        CLOSED: [2020-05-06 수 22:53]
+******* DONE Use this type to install the following packages: zsh, mosh, emacs, nmap, sipcalc
+        CLOSED: [2020-05-06 수 22:53]
+******* DONE Edit the *initial manifest* and use **__my_computer** for **localhost**
+        CLOSED: [2020-05-06 수 22:53]
+******* DONE Match using the $__target_host variable
+        CLOSED: [2020-05-06 수 22:53]
+****** DONE Modify your type to use a *for loop* to install the packages
+       CLOSED: [2020-05-06 수 22:53]
+****** DONE Deploy / manage your ~/.emacs file in this type
+       CLOSED: [2020-05-06 수 22:53]
+******* DONE Ensure that permissions and ownership are correct
+        CLOSED: [2020-05-06 수 22:53]
+****** DONE Use different *verbosity* levels when configuring
+       CLOSED: [2020-05-06 수 22:54]
+****** DONE Ensure that all your changes are committed and pushed in your ungleich-learning-circle repository
+       CLOSED: [2020-05-06 수 22:54]
+******* DONE Use magit inside emacs for that
+        CLOSED: [2020-05-06 수 22:54]
+***** DONE Documentation steps to be done in cdist.org
+      CLOSED: [2020-05-06 수 23:02]
+****** DONE Create a new org document named `cdist.org` in the same folder as the learning.org file
+       CLOSED: [2020-05-06 수 23:02]
+****** DONE Explain the difference between a singleton and non-singleton type
+       CLOSED: [2020-05-06 수 23:02]
+****** DONE Explain the difference between the different verbosity levels
+       CLOSED: [2020-05-06 수 23:02]
+****** Document (copy&paste) some of the cdist runs in a "log" section```
 * 2020-05-04
 *** cdist #1: Introduction
 **** Lecture content