diff --git a/src/tools/BgLauncherApp.php b/src/tools/BgLauncherApp.php
index b689824..49c3757 100644
--- a/src/tools/BgLauncherApp.php
+++ b/src/tools/BgLauncherApp.php
@@ -1,11 +1,13 @@
 <?php
 namespace nur\sery\tools;
 
+use nur\sery\ExitError;
 use nur\sery\os\path;
+use nur\sery\os\proc\Cmd;
+use nur\sery\os\sh;
 use nur\sery\output\msg;
 use nur\sery\wip\app\app2;
 use nur\sery\wip\app\cli\Application;
-use nur\sery\wip\app\cli\bg_launcher;
 use nur\sery\wip\app\RunFile;
 use nur\yaml;
 
@@ -66,10 +68,10 @@ class BgLauncherApp extends Application {
         path::abspath(NULIB_APP_app_launcher),
       ]);
       app2::params_putenv();
-      bg_launcher::_start($args, $runfile);
+      self::_start($args, $runfile);
       break;
     case self::ACTION_STOP:
-      bg_launcher::_stop($runfile);
+      self::_stop($runfile);
       self::show_infos($runfile, -1);
       break;
     case self::ACTION_INFOS:
@@ -77,4 +79,45 @@ class BgLauncherApp extends Application {
       break;
     }
   }
+
+  public static function _start(array $args, Runfile $runfile): void {
+    $pid = pcntl_fork();
+    if ($pid == -1) {
+      # parent, impossible de forker
+      throw new ExitError(app2::EC_FORK_PARENT, "Unable to fork");
+    } elseif (!$pid) {
+      # child, fork ok
+      $runfile->wfPrepare($pid);
+      $logfile = $runfile->getLogfile() ?? "/tmp/NULIB_APP_app_console.log";
+      $exitcode = app2::EC_FORK_CHILD;
+      try {
+        # rediriger STDOUT et STDERR
+        fclose(STDOUT);
+        $out = fopen($logfile, "a+b");
+        fclose(STDERR);
+        $err = fopen($logfile, "a+b");
+        # puis lancer la commande
+        $cmd = new Cmd($args);
+        $cmd->addSource("/g/init.env");
+        $cmd->addRedir("both", $logfile, true);
+        $cmd->fork_exec($exitcode, false);
+        sh::_waitpid(-$pid, $exitcode);
+      } finally {
+        $runfile->wfReaped($exitcode);
+      }
+    }
+  }
+
+  public static function _stop(Runfile $runfile): bool {
+    $data = $runfile->read();
+    $pid = $runfile->_getCid($data);
+    msg::action("stop $pid");
+    if ($runfile->wfKill($reason)) {
+      msg::asuccess();
+      return true;
+    } else {
+      msg::afailure($reason);
+      return false;
+    }
+  }
 }
diff --git a/src/tools/SteamTrainApp.php b/src/tools/SteamTrainApp.php
index fe00715..75cd41e 100644
--- a/src/tools/SteamTrainApp.php
+++ b/src/tools/SteamTrainApp.php
@@ -2,6 +2,8 @@
 namespace nur\sery\tools;
 
 use nur\sery\output\msg;
+use nur\sery\php\time\DateTime;
+use nur\sery\text\words;
 use nur\sery\wip\app\app2;
 use nur\sery\wip\app\cli\Application;
 
@@ -33,11 +35,13 @@ EOT,
   function main() {
     if ($this->installSignalHandler) app2::install_signal_handler();
     $count = intval($this->count);
+    msg::info("Starting train for ".words::q($count, "step#s"));
     app2::action("Running train...", $count);
     for ($i = 1; $i <= $count; $i++) {
       msg::print("Tchou-tchou! x $i");
       app2::step();
       sleep(1);
     }
+    msg::info("Stopping train at ".new DateTime());
   }
 }
diff --git a/wip/app/app2.php b/wip/app/app2.php
index d10508d..8a5a6ed 100644
--- a/wip/app/app2.php
+++ b/wip/app/app2.php
@@ -463,7 +463,7 @@ class app2 {
     $name = $this->name;
     $runfile = $this->getWorkfile($name);
     # ne pas spécifier $name pour avoir le fichier par défaut sans profil
-    $logfile = $this->getLogfile();
+    $logfile = $this->getLogfile("$name.console.log", false);
     return $this->runfile ??= new RunFile($name, $runfile, $logfile);
   }
 
diff --git a/wip/app/cli/bg_launcher.php b/wip/app/cli/bg_launcher.php
deleted file mode 100644
index 3948e99..0000000
--- a/wip/app/cli/bg_launcher.php
+++ /dev/null
@@ -1,47 +0,0 @@
-<?php
-namespace nur\sery\wip\app\cli;
-
-use nur\sery\ExitError;
-use nur\sery\os\proc\Cmd;
-use nur\sery\os\sh;
-use nur\sery\output\msg;
-use nur\sery\wip\app\app2;
-use nur\sery\wip\app\RunFile;
-
-class bg_launcher {
-  static function _start(array $args, Runfile $runfile): void {
-    $pid = pcntl_fork();
-    if ($pid == -1) {
-      # parent, impossible de forker
-      throw new ExitError(app2::EC_FORK_PARENT, "Unable to fork");
-    } elseif (!$pid) {
-      # child, fork ok
-      $runfile->wfPrepare($pid);
-      $logfile = $runfile->getLogfile() ?? "/tmp/NULIB_APP_app_start.log";
-      $exitcode = app2::EC_FORK_CHILD;
-      try {
-        # puis lancer la commande
-        $cmd = new Cmd($args);
-        $cmd->addSource("/g/init.env");
-        $cmd->addRedir("both", $logfile, true);
-        $cmd->fork_exec($exitcode, false);
-        sh::_waitpid(-$pid, $exitcode);
-      } finally {
-        $runfile->wfReaped($exitcode);
-      }
-    }
-  }
-
-  static function _stop(Runfile $runfile): bool {
-    $data = $runfile->read();
-    $pid = $runfile->_getCid($data);
-    msg::action("stop $pid");
-    if ($runfile->wfKill($reason)) {
-      msg::asuccess();
-      return true;
-    } else {
-      msg::afailure($reason);
-      return false;
-    }
-  }
-}