diff --git a/sub_scripts/lxc_build.sh b/sub_scripts/lxc_build.sh
index 7e336cd..0bea2c4 100755
--- a/sub_scripts/lxc_build.sh
+++ b/sub_scripts/lxc_build.sh
@@ -19,8 +19,16 @@ echo -e "\e[1m> Update et install lxc lxctl\e[0m" | tee "$LOG_BUILD_LXC"
 sudo apt-get update >> "$LOG_BUILD_LXC" 2>&1
 sudo apt-get install -y lxc lxctl >> "$LOG_BUILD_LXC" 2>&1
 
-echo -e "\e[1m> Création d'une machine debian jessie minimaliste\e[0m" | tee -a "$LOG_BUILD_LXC"
-sudo lxc-create -n $LXC_NAME -t debian -- -r jessie >> "$LOG_BUILD_LXC" 2>&1
+if sudo lxc-info -n $LXC_NAME > /dev/null 2>&1
+then	# Si le conteneur existe déjà
+	echo -e "\e[1m> Suppression du conteneur existant.\e[0m" | tee -a "$LOG_BUILD_LXC"
+	sudo lxc-snapshot -n $LXC_NAME -d snap0 | tee -a "$LOG_BUILD_LXC"
+	sudo rm -f /var/lib/lxcsnaps/$LXC_NAME/snap0.tar.gz | tee -a "$LOG_BUILD_LXC"
+	sudo lxc-destroy -n $LXC_NAME -f | tee -a "$LOG_BUILD_LXC"
+fi
+
+echo -e "\e[1m> Création d'une machine debian jessie minimaliste.\e[0m" | tee -a "$LOG_BUILD_LXC"
+sudo lxc-create -n  -t debian -- -r jessie >> "$LOG_BUILD_LXC" 2>&1
 
 echo -e "\e[1m> Autoriser l'ip forwarding, pour router vers la machine virtuelle.\e[0m" | tee -a "$LOG_BUILD_LXC"
 echo "net.ipv4.ip_forward=1" | sudo tee /etc/sysctl.d/lxc_pchecker.conf >> "$LOG_BUILD_LXC" 2>&1
diff --git a/sub_scripts/lxc_remove.sh b/sub_scripts/lxc_remove.sh
index 9e4902a..42abde5 100755
--- a/sub_scripts/lxc_remove.sh
+++ b/sub_scripts/lxc_remove.sh
@@ -14,24 +14,24 @@ fi
 
 touch "$script_dir/../pcheck.lock" # Met en place le lock de Package check
 
-echo "\e[1m> Retire l'ip forwarding.\e[0m"
+echo -e "\e[1m> Retire l'ip forwarding.\e[0m"
 sudo rm /etc/sysctl.d/lxc_pchecker.conf
 sudo sysctl -p
 
-echo "\e[1m> Désactive le bridge réseau\e[0m"
+echo -e "\e[1m> Désactive le bridge réseau\e[0m"
 sudo ifdown --force lxc-pchecker
 
-echo "\e[1m> Supprime le brige réseau\e[0m"
+echo -e "\e[1m> Supprime le brige réseau\e[0m"
 sudo rm /etc/network/interfaces.d/lxc-pchecker
 
-echo "\e[1m> Suppression de la machine et de son snapshots\e[0m"
+echo -e "\e[1m> Suppression de la machine et de son snapshots\e[0m"
 sudo lxc-snapshot -n $LXC_NAME -d snap0
 sudo rm -f /var/lib/lxcsnaps/$LXC_NAME/snap0.tar.gz
 sudo lxc-destroy -n $LXC_NAME -f
 
-echo "\e[1m> Remove lxc lxctl\e[0m"
+echo -e "\e[1m> Remove lxc lxctl\e[0m"
 sudo apt-get remove lxc lxctl
 
-echo "\e[1m> Suppression des lignes de pchecker_lxc dans .ssh/config\e[0m"
+echo -e "\e[1m> Suppression des lignes de pchecker_lxc dans .ssh/config\e[0m"
 BEGIN_LINE=$(cat $HOME/.ssh/config | grep -n "^# ssh pchecker_lxc$" | cut -d':' -f 1)
 sed -i "$BEGIN_LINE,/^IdentityFile/d" $HOME/.ssh/config