--- tools/greenbone-nvt-sync.in	2021-04-15 09:39:00.000000000 -0500
+++ tools/greenbone-nvt-sync.in	2021-06-15 16:41:18.698165000 -0500
@@ -87,10 +87,10 @@
 LOG_CMD="logger -t $SCRIPT_NAME"
 
 check_logger () {
-  logger --socket-error=on -p daemon.info -t $SCRIPT_NAME "Checking logger" --no-act 1>/dev/null 2>&1
+  logger -p daemon.info -t $SCRIPT_NAME "Checking logger"  1>/dev/null 2>&1
   if [ $? -gt 0 ]
   then
-    LOG_CMD="logger --socket-error=off -s -t $SCRIPT_NAME"
+    LOG_CMD="logger -s -t $SCRIPT_NAME"
     $LOG_CMD -p daemon.warning "The log facility is not working as expected. All messages will be written to the standard error stream."
   fi
 }
@@ -202,7 +202,7 @@
   SYNC_TMP_DIR=/tmp
   # If we have mktemp, create a temporary dir (safer)
   if [ -n "`which mktemp`" ]; then
-    SYNC_TMP_DIR=`mktemp -t -d greenbone-nvt-sync.XXXXXXXXXX` || { echo "ERROR: Cannot create temporary directory for file download" >&2; exit 1 ; }
+    SYNC_TMP_DIR=`mktemp -d /tmp/greenbone-nvt-sync.XXXXXXXXXX` || { echo "ERROR: Cannot create temporary directory for file download" >&2; exit 1 ; }
     trap "rm -rf $SYNC_TMP_DIR" EXIT HUP INT TRAP TERM
   fi
 else
@@ -437,7 +437,7 @@
         log_err "rsync failed, aborting synchronization."
         exit 1
       fi
-      eval "cd \"$NVT_DIR\" ; md5sum -c --status \"$NVT_DIR/md5sums\""
+      eval "cd \"$NVT_DIR\" ; xargs -n 2 md5 -c < \"$NVT_DIR/md5sums\" > /dev/null"
       if [ $? -ne 0 ]  ; then
         if [ -n "$retried" ]
         then
@@ -471,10 +471,10 @@
 
 do_self_test ()
 {
-  MD5SUM_AVAIL=`command -v md5sum`
+  MD5SUM_AVAIL=`command -v md5`
   if [ $? -ne 0 ] ; then
     SELFTEST_FAIL=1
-    stderr_write "The md5sum binary could not be found."
+    stderr_write "The md5 binary could not be found."
   fi
 
   RSYNC_AVAIL=`command -v rsync`
@@ -512,7 +512,7 @@
     log_write "Feed is already current, skipping synchronization."
   else
     (
-      chmod +660 $OPENVAS_FEED_LOCK_PATH
+      chmod 660 $OPENVAS_FEED_LOCK_PATH
       flock -n 9
       if [ $? -eq 1 ] ; then
           log_warning "Another process related to the feed update is already running"