feat: add device antje

README.md

@@ -2,6 +2,7 @@
 
 ## Devices
 
+* [Antje](devices/antje.md)
 * [Cloud Server](devices/cloud-server.md)
 * [tpt60](devices/tpt60.md)
 

devices/antje.md

@@ -0,0 +1,4 @@
+# Cloud Server
+
+* [SSH Server](doc/ssh-server.md)
+* [SSH Public Key Authentication](doc/ssh-pub-key-auth.md)

doc/ssh-pub-key-auth.md

@@ -15,6 +15,7 @@ sudo vi /etc/ssh/sshd_config
 
 * in this file, make sure the following options are set as follows
 ```
+PasswordAuthentication yes
 PermitRootLogin no
 PubkeyAuthentication yes
 #GSSAPIAuthentication yes
@@ -57,6 +58,12 @@ ssh -p<tbd> <user>@<host name>
 * if you completed public key authentication successfully,
 you may savely close the terminal/shell running the open password-based login
 
+* revert the password changes in ```ssh_config``` if you are srcurity conscious\
+```
+sudo vi /etc/ssh/sshd_config
+PasswordAuthentication yes
+```
+
 ## Links
 
 [How to Fix SSH Failed Permission Denied (publickey)](https://phoenixnap.com/kb/ssh-permission-denied-publickey)

doc/ssh-server.md

@@ -8,15 +8,17 @@ sudo -l
 sudo apt-get update
 sudo apt-get install openssh-server --no-install-recommends
 systemctl status sshd
-ss -tupln
 systemctl list-unit-files | grep enabled | grep ssh
 ```
 
-* set default port to ```<tbd>```, disable PermitRootLogin using
+* set default port to ```<sshd port number>```, disable PermitRootLogin using
 ```
 sudo vi /etc/ssh/sshd_config
 sudo systemctl restart sshd
 ````
+* check port configuration
+```
+ss -tupln|grep <sshd port number>
 
 ## Public Key Authentication