feat: remove welcome banner

quests/Dockerfile

@@ -30,6 +30,7 @@ COPY ./ssh_pubkey /home/${USERNAME}/.ssh/authorized_keys
 RUN chmod 600 /home/${USERNAME}/.ssh/authorized_keys \
   && chmod 700 /home/${USERNAME}/.ssh \
   && chown -R ${USERNAME}:${USERNAME} /home/${USERNAME}/.ssh
+RUN rm -f /etc/motd /etc/issue /etc/issue.net /etc/update-motd.d/*
 
 RUN service ssh start
 

quests/sshd_config

@@ -34,7 +34,7 @@ Include /etc/ssh/sshd_config.d/*.conf
 #MaxAuthTries 6
 #MaxSessions 10
 
-#PubkeyAuthentication yes
+PubkeyAuthentication yes
 
 # Expect .ssh/authorized_keys2 to be disregarded by default in future.
 #AuthorizedKeysFile     .ssh/authorized_keys .ssh/authorized_keys2
@@ -86,11 +86,11 @@ UsePAM yes
 #AllowAgentForwarding yes
 #AllowTcpForwarding yes
 #GatewayPorts no
-X11Forwarding yes
+X11Forwarding no
 #X11DisplayOffset 10
 #X11UseLocalhost yes
 #PermitTTY yes
-PrintMotd no
+#PrintMotd yes
 #PrintLastLog yes
 #TCPKeepAlive yes
 #PermitUserEnvironment no