Minimal working presentation (login)

2020/2020-02-15_gnuLinuxCourse/resources.md

@@ -7,10 +7,10 @@
 A text with misleading title, it is neither only meant for _Advanced_
 users as it assumes no previous exposure to the Unix shell, nor covers
 only _Bash_, taking instead an integrative approach which reflects a
-natural interaction with a GNU\Linux system on a day-to-day basis. It
+natural interaction with a GNU/Linux system on a day-to-day basis. It
 can also serve as a reference. While outdated in the sense that that
 last revision is from 2014, it still covers the vast majority of
-interactions one has with a GNU\Linux system through the shell.
+interactions one has with a GNU/Linux system through the shell.
 
 * [Software Carpentry Courses](https://v4.software-carpentry.org/shell/index.html)
 

2020/2020-02-15_gnuLinuxCourse/slides/ex_ssh_lin/intro.md

+# Creating a SSH session from a Linux Terminal
+
+
+* Windows users can skip this ...
+

2020/2020-02-15_gnuLinuxCourse/slides/ex_ssh_lin/session_shell.md

+# SSH Session From a Terminal
+
+```shell
+	# Connect to a host, on a particular port with a particular address
+	# with a given username.
+	# If password-based authentication is enabled, you will be presented
+	# with a password prompt.
+
+	ssh -p 8022 tk2020@10.240.16.69
+
+	# A much more secure approach (sometimes the only option, if other
+	# forms of authentication are disabled on the server) is use key based
+	# authentication.
+
+```

2020/2020-02-15_gnuLinuxCourse/slides/ex_ssh_lin/session_shell_2.md

+# SSH Session From a Terminal: Key Based Authentication
+
+```shell
+	# First, generate the key if you do not have it (if you do, it will be
+	# present in ~/.ssh directory). You will be presented by a series of
+	# dialogues for which defaults are ok. Please choose a strong
+	# passphrase when prompted.
+
+	ssh-keygen -b 4096
+
+	# Next, add the key to your ssh-agent. This prevents you from having
+	# to type the passphrase each time you want to log in. Accept the
+	# default suggestion.
+
+	ssh-add
+
+	# No ssh agent present? Then run
+	#
+	# ssh-agent > agent.env.out
+	# source agent.env.out
+	#
+
+	# Try to connect again.
+
+	ssh -p 8022 tk2020@10.240.16.69
+```

2020/2020-02-15_gnuLinuxCourse/slides/ex_ssh_win/prerequisites.md

 # Prerequisites
 
 * Download and install [MobaXterm][1]
-
 * Connect to the UL VPN
+
+[1]: https://mobaxterm.mobatek.net/download-home-edition.html

2020/2020-02-15_gnuLinuxCourse/slides/ex_ssh_win/ssh_tunel_setup.md

+# SSH Tunnel Setup
+<div class="multicol">
+
+<div class="col" data-markdown>
+
+* A tunnel will relay information from a port on your computer to
+  another port on a remote computer
+
+</div>
+
+
+</div>

2020/2020-02-15_gnuLinuxCourse/slides/ex_ssh_win/ssh_tunnel_start.md

+# Create a SSH Tunnel
+
+![][tunnelcirc]
+
+[tunnelcirc]: variae/figs/mxt_shots/mobaxterm_tunnel_circ.png "Tunnel Menu"

2020/2020-02-15_gnuLinuxCourse/slides/ex_ssh_win/ssh_window.md

@@ -10,12 +10,15 @@
 3. Server-side SSH port
 4. If key-based authentication, provide your private key here
 
-<!-- .element: class="fragment" -->
+<!-- .element: class="fragment" data-fragment-index=1 -->
 
 1. `linuxcourse-test.lcsb.uni.lu`, or 10.240.16.69
 2. Your username
 3. 8022 (if we managed to change that :) )
 4. Nothing yet
+
+<!-- .element: class="fragment" data-fragment-index=2 -->
+
 </div>
 
 <div class="col" data-markdown>
@@ -29,3 +32,4 @@
 
 
 [sshwindow]: variae/figs/mxt_shots/mobaxterm_ssh_interactive.png "MobaXterm SSH setup"
+

2020/2020-02-15_gnuLinuxCourse/slides/intro_aim.md

@@ -5,11 +5,10 @@
   
   <!-- .element: class="fragment" -->
   + For Windows users
-	- [MobaXterm][1], big, bloated, and freeware (which means that
-      sooner, or later they'll ask for your money), but does many other
-      useful things besides SSH (and is _recommended by R3_)
+	- [MobaXterm][1] (_recommended by R3_)
 	- [PuTTY][2], simple, ugly, but efficient and open source and does only SSH
 
+
   <!-- .element: class="fragment" -->
   + For Mac and GNU/Linux users, OpenSSH command line client
   

2020/2020-02-15_gnuLinuxCourse/slides/intro_first.md

@@ -10,7 +10,7 @@
   + Researcher on the [Environmental Cheminformatics][4] team
   
   <!-- .element: class="fragment" -->
-  + GNU\Linux user since [Debian Woody][5] (ca 2002)
+  + GNU/Linux user since [Debian Woody][5] (ca 2002)
 	+ Arrived as a seven CD set from a small computer shop from the [Getting Debian][6]
 	
   <!-- .element: class="fragment" -->

2020/2020-02-15_gnuLinuxCourse/slides/list.json

@@ -11,6 +11,10 @@
     { "filename" : "ex_ssh_win/session_start_screen.md"},
     { "filename" : "ex_ssh_win/session_ssh.md"},
     { "filename" : "ex_ssh_win/ssh_window.md"},
+    { "filename" : "ex_ssh_win/ssh_window_filled.md"},
     { "filename" : "ex_ssh_win/ssh_shell.md"},
-    { "filename" : "ex_ssh_win/ssh_keygen.md"}
+    { "filename" : "ex_ssh_win/ssh_keygen.md"},
+    { "filename" : "ex_ssh_lin/intro.md"},
+    { "filename" : "ex_ssh_lin/session_shell.md"},
+    { "filename" : "ex_ssh_lin/session_shell_2.md"}
 ]

2020/2020-02-15_gnuLinuxCourse/slides/ssh_outline.md

+# SSH Exercise Outline
+
+* Create an interactive SSH session
+
+<!-- .element: class="fragment" -->
+* Generate SSH key
+
+<!-- .element: class="fragment" -->
+* Use SSH key to log into the system
+
+<!-- .element: class="fragment" -->
+* Create a SSH tunnel
+
+<!-- .element: class="fragment" -->
+