diff --git a/kjg/dot-cdist/manifest/init b/kjg/dot-cdist/manifest/init
new file mode 100644
index 0000000..a862901
--- /dev/null
+++ b/kjg/dot-cdist/manifest/init
@@ -0,0 +1,7 @@
+case "$__target_host" in
+    # Everybody has this
+    localhost)
+       __file /etc/cdist-configured
+       __timezone Asia/Seoul
+    ;;
+esac
diff --git a/kjg/learning-elfui-MacBook-Pro.local-2020.org b/kjg/learning-elfui-MacBook-Pro.local-2020.org
new file mode 100644
index 0000000..e4df68f
Binary files /dev/null and b/kjg/learning-elfui-MacBook-Pro.local-2020.org differ
diff --git a/kjg/todo-elfui-MacBook-Pro.local-2020.org b/kjg/todo-elfui-MacBook-Pro.local-2020.org
new file mode 100644
index 0000000..ef9bd2c
--- /dev/null
+++ b/kjg/todo-elfui-MacBook-Pro.local-2020.org
@@ -0,0 +1,4 @@
+* Tasks
+** TODO [#A] 
+   SCHEDULED: <2020-05-02 Sat>
+ [[mu4e:msgid:20200426002704.azrjjvoqhyhcsx4g@wolfsden.cz][Re: struggling with apk in unattended session]]
diff --git a/kjg/todo.org b/kjg/todo.org
new file mode 100644
index 0000000..e3fd432
--- /dev/null
+++ b/kjg/todo.org
@@ -0,0 +1,29 @@
+
+* Tasks
+** DONE [#A] 
+   SCHEDULED: <2020-04-30 Thu>
+  [[mu4e:msgid:e9438896ba668c71@fake-msgid][{FIRING:1} CephHealthSate ceph-exporter (place6 black black2.place6.ungleich.ch warning)]]
+** TODO [#A] 
+   SCHEDULED: <2020-04-30 Thu>
+ [[mu4e:msgid:e9438896ba668c71@fake-msgid][{FIRING:1} CephHealthSate ceph-exporter (place6 black black2.place6.ungleich.ch warning)]]
+
+test
+
+** TODO [#A] 
+   SCHEDULED: <2020-04-30 Thu>
+ [[mu4e:msgid:e9438896ba668c71@fake-msgid][{FIRING:1} CephHealthSate ceph-exporter (place6 black black2.place6.ungleich.ch warning)]]
+** TODO [#A] 
+   SCHEDULED: <2020-04-30 Thu>
+ [[mu4e:msgid:CALci+FTTUNLzH+NqohKthA3woqN-4=cGzfv+aMPVujipQuBsDA@mail.gmail.com][Re: How does Alpine Linux harden its kernel?]]
+** TODO [#A] 
+   SCHEDULED: <2020-04-30 Thu>
+ [[mu4e:msgid:01E8F5A8-4851-47B0-97EE-DBECB9B8C779@ipik.org][Re: struggling with apk in unattended session]]
+** TODO [#A] 
+   SCHEDULED: <2020-04-30 Thu>
+ [[mu4e:msgid:58b37594.9874.1719c0d9764.Coremail.liuxiaodong@loongson.cn][alpine is not support mips64el platform on apk packages source]]
+** TODO [#A] 
+   SCHEDULED: <2020-04-30 Thu>
+ [[mu4e:msgid:rt-4.4.1-3+deb9u3-18825-1587474236-1715.9208-22-0@support.ungleich.ch][[support.ungleich.ch #9208] test]]
+** TODO [#A] 
+   SCHEDULED: <2020-05-02 Sat>
+ [[mu4e:msgid:CABsR=fQwROqVUf+k5kBBQAAEDmyqnoVHMF9-L+S1mKYHjU8BNw@mail.gmail.com][awall difficulties]]
diff --git a/youngjin.han/learning-node02-2020.org b/youngjin.han/learning-node02-2020.org
new file mode 100644
index 0000000..0985a88
--- /dev/null
+++ b/youngjin.han/learning-node02-2020.org
@@ -0,0 +1,59 @@
+*** Organisation #5: Emacs refresher
+**** Lecture content
+***** Objective: get confident with emacs commands
+***** Find out and document how to do the following steps
+****** DONE Search for something forward C-s
+       CLOSED: [2020-05-01 금 21:40]
+****** DONE How to continue searching C-s C-s
+       CLOSED: [2020-05-01 금 21:43]
+****** DONE Search for something backward C-r
+       CLOSED: [2020-05-01 금 21:55]
+****** DONE Search for regular expressions instead of string (forward, backward) C-M-s C-M-r
+       CLOSED: [2020-05-01 금 22:25]
+****** DONE Go to the beginning of the line C-a
+       CLOSED: [2020-05-01 금 22:16]
+****** DONE Go to the end of the line C-e
+       CLOSED: [2020-05-01 금 22:16]
+****** DONE Delete a word in front (to the right of the cursor) M-d
+       CLOSED: [2020-05-01 금 22:17]
+****** DONE Delete a word in back (to the left of the cursor) M-BackSpace
+       CLOSED: [2020-05-01 금 22:18]
+****** DONE List all "occurences" of a word in a file M-s o
+       CLOSED: [2020-05-01 금 22:53]
+******* You can copy above instructions into an emacs buffer
+******* And test it by showing all occurences of the word "Search"
+****** DONE Search (GREP) for a word in all files in a directory RECURSIVELY M-x rgrep
+       CLOSED: [2020-05-01 금 22:46]
+****** DONE Save the CURRENT buffer C-x C-s
+       CLOSED: [2020-05-01 금 21:55]
+****** DONE Save ALL open files C-x-s
+       CLOSED: [2020-05-01 금 22:22]
+****** DONE Split the window/buffer vertically C-x 2
+       CLOSED: [2020-05-01 금 21:48]
+****** DONE Split the window/buffer horizontally C-x 3
+       CLOSED: [2020-05-01 금 21:48]
+****** DONE Switch between the different windows C-x o
+       CLOSED: [2020-05-01 금 21:48]
+****** DONE Close all buffers besides the active one C-x 1
+       CLOSED: [2020-05-01 금 21:47]
+******* Don't kill it!
+****** DONE Close only the active buffer C-x 0
+       CLOSED: [2020-05-01 금 21:54]
+******* Don't kill it!
+****** DONE Kill the active buffer C-x k
+       CLOSED: [2020-05-01 금 21:44]
+****** DONE Describe/Explain the difference between closing and killing
+       CLOSED: [2020-05-01 금 22:09]
+******* closing is that emac do not display the buffer. and the contents on the buffer are kept on behined screen.
+******* killing is that emac delete the buffer. and if contents are not stored, it is losted
+****** DONE Switch between buffers that are not shown C-x b
+       CLOSED: [2020-05-01 금 21:51]
+******* DONE Document two very similar, but slightly different ways
+	 CLOSED: [2020-05-01 금 23:28]
+******** C-x b is that the selected buffer is displayed on the focused window
+******** C-x 4 b is that the selected buffer is displayed on the new window
+***** Outcome
+****** DONE Document all above commands in your learning org sheet
+       CLOSED: [2020-05-01 금 23:28]
+****** DONE Share your documentation at the end of the session (not before)
+       CLOSED: [2020-05-01 금 23:28]