remove screen because it doesn't allow to use the script at startup.

README.md

@@ -9,14 +9,6 @@ https://developer.valvesoftware.com/wiki/SteamCMD#Linux
 We assume you have created the `steam` user to store steamcmd and your ARK server.
 
 ## Requirements
-Use this command to install soft requirement on your system
-```
-# Debian based/ Ubuntu
-apt-get install screen
-
-# RHEL / CentOS / Fedora
-yum install screen
-```
 
 Edit /etc/sysctl.conf and set:
 ```

tools/arkdaemon

@@ -29,6 +29,7 @@ case "$1" in
   start)
     log_daemon_msg "Starting" "$NAME"
     su -s /bin/sh -c "$DAEMON start" $steamcmd_user
+    sleep 5
     PID=`ps -ef | grep $NAME | grep -v grep | awk '{print $2}'`
     if  [ -n "$PID" ];  then
       log_end_msg 0
@@ -40,6 +41,7 @@ case "$1" in
   stop)
     log_daemon_msg "Stopping" "$NAME"
     su -s /bin/sh -c "$DAEMON stop" $steamcmd_user
+    sleep 5
     PID=`ps -ef | grep $NAME | grep -v grep | awk '{print $2}'`
     if  [ -n "$PID" ];  then
       log_end_msg 1

tools/arkmanager

@@ -124,9 +124,9 @@ doStart() {
   else
     arkserveropts="TheIsland?SessionName=$sessioname?QueryPort=$arkqueryport?ServerPassword=$arkserverpass?ServerAdminPassword=$arkserverapass?listen"
     thejob="$arkserverroot/$arkserverexec $arkserveropts"
-    screen -dmS "$servicename" $thejob
+    # run the server in background
+    $thejob >/dev/null 2>&1 &
     echo "$timestamp: start" >> "$logdir/arkserver.log"
-    tail -n 1 "$logdir/arkserver.log"
   fi
 }
 
@@ -136,10 +136,10 @@ doStart() {
 doStop() {
   if isTheServerRunning; then
     echo "Stopping server..."
-    screen -X -S "$servicename" -X stuff "^C"
-    sleep 10
-    echo "$timestamp: stop" >> "$logdir/arkserver.log"
-    tail -n 1 "$logdir/arkserver.log"
+    # kill the server with the PID
+    PID=`ps -ef | grep "$arkserverroot/$arkserverexec" | grep -v grep | awk '{print $2}'`
+    kill -9 $PID
+    echo "$timestamp: stop" >> "$logdir/arkserver.log"    
   else
     echo "The server is already stopped"
   fi
@@ -150,10 +150,10 @@ doStop() {
 #
 doInstall() {
   mkdir -p $arkserverroot
-  
+
   # Check if steamcmd is installed, and if not, install it
   if [ ! -e $steamcmdroot/$steamcmdexec ]; then
-    mkdir -p $steamcmdroot 
+    mkdir -p $steamcmdroot
     cd /tmp
     wget http://media.steampowered.com/installer/steamcmd_linux.tar.gz
     tar -xvzf steamcmd_linux.tar.gz -C $steamcmdroot
@@ -161,7 +161,7 @@ doInstall() {
     ./steamcmd.sh +quit
     echo "SteamCMD was installed in $steamcmdroot"
   fi
-  
+
   cd $steamcmdroot
   # install the server
   ./$steamcmdexec +login anonymous +force_install_dir "$arkserverroot" +app_update $appid validate +quit