diff --git a/README.md b/README.md
index 2dca0aa6d36bab02e88555d24620083c8d6eb6a9..5d98b3c27bc5351d60287e7e3e015c68e8ca0518 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # UNIX training course
 
-[![cc_by_sa](http://gitbio.ens-lyon.fr/LBMC/hub/formations/unix/-/blob/master/img/cc_by_sa.png)](http://creativecommons.org/licenses/by-sa/4.0/)
+[![cc_by_sa](./img/cc_by_sa.png)](http://creativecommons.org/licenses/by-sa/4.0/)
 
 ## Understanding a computer
 
diff --git a/server_init.sh b/server_init.sh
new file mode 100644
index 0000000000000000000000000000000000000000..6dc5f0df7514d91fcc9e1cbcf39f954974deaeda
--- /dev/null
+++ b/server_init.sh
@@ -0,0 +1,20 @@
+sudo apt update
+sudo apt install --yes openssl shellinabox
+sudo sed -i 's|SHELLINABOX_PORT=4200|SHELLINABOX_PORT=443|' /etc/default/shellinabox
+sudo iptables -t filter -A INPUT -p tcp --dport 443 -j ACCEPT
+sudo iptables -t filter -A OUTPUT -p tcp --dport 443 -j ACCEPT
+sudo iptables-save
+sudo systemctl restart shellinabox
+sudo useradd -m -s /bin/bash -g users -G adm,dialout,cdrom,floppy,sudo,audio,dip,video,plugdev,netdev etudiant
+sudo cp /etc/skel/.* /home/etudiant/
+
+USER_PASSWORD=$( openssl rand -hex 12 )
+sudo passwd etudiant << EOF
+${USER_PASSWORD}
+${USER_PASSWORD}
+EOF
+HTTP_ENDP="https://$HOST_NAME"
+ss-set url.service "${HTTP_ENDP}"
+ss-set ss:url.service "[HTTPS]$HTTP_ENDP,[LOGIN]$etudiant,[PASSWORD]$USER_PASSWORD"
+
+