diff --git a/build/rpm/README b/build/rpm/README
index 6f2e6634f4b32a62fe7b9a418fa01395d3ca8d61..cd581a0eef469546276100aa93368f28abce76d7 100644
--- a/build/rpm/README
+++ b/build/rpm/README
@@ -28,6 +28,7 @@ with format RPM (for Redhat, OpenSuse, Mandriva, ...).
 # On OpenSuse
 # yast --install dolibarr-...rpm    To install package and dependencies
 # yast --remove  dolibarr           To remove package
+# Log of Yast available into /var/log/YaST2/y2log
 #
 # On Mageia (after su - root)
 # urpmi dolibarr-...rpm             To install package and dependencies
diff --git a/htdocs/install/etape1.php b/htdocs/install/etape1.php
index 53f1aba9e19cd1692867f793cf0731b77bb5ffa7..486748f92a714804e9a622889006efbe40666a35 100644
--- a/htdocs/install/etape1.php
+++ b/htdocs/install/etape1.php
@@ -196,7 +196,8 @@ if (! $error)
             elseif ($db->error && ! (! empty($_POST["db_create_database"]) && $db->connected))
             {
             	// Note: you may experience error here with message "No such file or directory" when mysql was installed for the first time but not yet launched.
-                print '<div class="error">'.$db->error.'</div>';
+                if ($db->error == "No such file or directory") print '<div class="error">'.$langs->trans("ErrorToConnectToMysqlCheckInstance").'</div>';
+                else print '<div class="error">'.$db->error.'</div>';
                 if (! $db->connected) print $langs->trans("BecauseConnectionFailedParametersMayBeWrong").'<br><br>';
                 //print '<a href="#" onClick="javascript: history.back();">';
                 print $langs->trans("ErrorGoBackAndCorrectParameters");
diff --git a/htdocs/langs/en_US/errors.lang b/htdocs/langs/en_US/errors.lang
index 3cfee357c81ab5867057e0a048f82fc4efc80c8e..a9de1c511a865fc84a2aeed6968de26487775b5f 100644
--- a/htdocs/langs/en_US/errors.lang
+++ b/htdocs/langs/en_US/errors.lang
@@ -121,6 +121,7 @@ ErrorFailedToAddToMailmanList=Failed to add record %s to Mailman list %s or SPIP
 ErrorFailedToRemoveToMailmanList=Failed to remove record %s to Mailman list %s or SPIP base
 ErrorNewValueCantMatchOldValue=New value can't be equal to old one
 ErrorFailedToValidatePasswordReset=Failed to reinit password. May be the reinit was already done (this link can be used only one time). If not, try to restart the reinit process.
+ErrorToConnectToMysqlCheckInstance=Connect to database fails. Check Mysql server is running (in most cases, you can launch it from command line with 'sudo /etc/init.d/mysql start').
 
 # Warnings
 WarningMandatorySetupNotComplete=Mandatory setup parameters are not yet defined
diff --git a/htdocs/langs/fr_FR/errors.lang b/htdocs/langs/fr_FR/errors.lang
index 5081f66d5f79212fcc2eece66ed8b66bc30d724b..08c14dc5c35d36cb836dd41e8e3c031f57b23743 100644
--- a/htdocs/langs/fr_FR/errors.lang
+++ b/htdocs/langs/fr_FR/errors.lang
@@ -122,6 +122,7 @@ ErrorFailedToAddToMailmanList=Echec de l'ajout de %s à la liste Mailman %s ou b
 ErrorFailedToRemoveToMailmanList=Echec de la suppression de %s de la liste Mailman %s ou base SPIP
 ErrorNewValueCantMatchOldValue=La nouvelle valeur ne peut être égale à l'ancienne
 ErrorFailedToValidatePasswordReset=Echec de la réinitialisation du mot de passe. Il est possible que ce lien ait déjà été utilisé (l'utilisation de ce lien ne fonctionne qu'une fois). Si ce n'est pas le cas, essayer de recommencer le processus de réinit de mot de passe depuis le début.
+ErrorToConnectToMysqlCheckInstance=Echec de la connection au serveur de base de donnée. Vérifier que Mysql est bien lancé (dans la plupart des cas, vous pouvez le lancer depuis la ligne de commande par la commande 'sudo /etc/init.d/mysql start').
 
 # Warnings
 WarningMandatorySetupNotComplete=Les informations de configuration obligatoire doivent être renseignées