diff --git a/.install/silkaj-php-mysql.sh b/.install/silkaj-php-mysql.sh
index 0275e7b..4d3c023 100755
--- a/.install/silkaj-php-mysql.sh
+++ b/.install/silkaj-php-mysql.sh
@@ -13,16 +13,18 @@ unset err
 # Basics
 sudo apt update
 echo -e "${c_yellow}Mise à jours des prérequis...$c_"
-sudo apt install curl jq zip unzip htop tree ntpdate gnupg ssmtp mpack imagemagick qrencode bc -y
+sudo apt install curl jq zip unzip htop tree ntpdate gnupg mpack imagemagick qrencode build-essential base58 bc -y
 
 # Silkaj + Duniterpy
 silkaj() {
 	echo -e "${c_yellow}Installation de Silkaj...$c_"
-	libsodium=$(sudo apt search libsodium 2>/dev/null | grep -v -E "header|debug symbols" | grep "Network communication" -B1 | head -n1 | awk -F '/' '{ print $1 }')
+	libsodium=$(sudo apt-cache search libsodium 2>/dev/null | grep -v -E "header|debug symbols" | grep "Network communication" -B1 | head -n1 | awk -F '-' '{ print $1 }')
 	[[ $libsodium =~ "  " ]] && libsodium=$(echo $libsodium | awk '{ print $2 }')
-	sudo apt install python3-pip $libsodium -y || err+="Install python3 and $libsodium"
+	sudo apt install libsodium-dev libssl-dev libffi-dev python3-pip python3-wheel $libsodium -y || err+="Install python3 and $libsodium"
 	pip3 install duniterpy || err+="Install duniterpy"
 	pip3 install silkaj --user || err+="Install Silkaj"
+    
+    source .profile ## PATH="$HOME/.local/bin:$PATH"
 }
 
 
diff --git a/zen/ssb_SURVEY_contact.sh b/zen/ssb_SURVEY_contact.sh
index 7305bb9..3071be9 100755
--- a/zen/ssb_SURVEY_contact.sh
+++ b/zen/ssb_SURVEY_contact.sh
@@ -107,12 +107,12 @@ http://localhost:8080/ipns/
         type="$(file -b --mime-type "$file")"
         size="$(wc -c < "$file")"
 
-echo "
+echo '
      ______  _  _  _  ____  __         _        _     _  _  _____ 
  /\ (_  ||_)/ \|_)/ \|_)|__(_\    //\ |_)|\/||/|_\_/ |_)/ \(_  |  
 /--\__) || \\_/|  \_/| \|  __)\/\//--\| \|  ||\|_ |  |  \_/__) |  
-
-SSB                                                                
+'
+echo "SSB                                                                
 #astroport-swarmkey
 [$name]($id)
 TO.SSB_${author}
diff --git a/zen/tools/duniter_getnode.sh b/zen/tools/duniter_getnode.sh
index 34fc78e..ee64230 100755
--- a/zen/tools/duniter_getnode.sh
+++ b/zen/tools/duniter_getnode.sh
@@ -51,6 +51,7 @@ checkonenode()
 }
 
 # Temp dir where results are stored
+rm -Rf /tmp/zen/gnodewatch
 DIR=/tmp/zen/gnodewatch
 export DIR
 mkdir -p $DIR/chains