diff --git a/check_reboot-required b/check_reboot-required
new file mode 100644
index 0000000..8104315
--- /dev/null
+++ b/check_reboot-required
@@ -0,0 +1,154 @@
+#!/bin/bash
+##############################################################################################
+#                                                                                            #
+#                                      88                                                    #
+#                                      88                                                    #
+#                                      88                                                    #
+#  ,adPPYba,  8b,dPPYba,    ,adPPYba,  88        ,adPPYba,   ,adPPYba,   88,dPYba,,adPYba,   #
+#  I8[    ""  88P'   `"8a  a8P_____88  88       a8"     ""  a8"     "8a  88P'   "88"    "8a  #
+#   `"Y8ba,   88       88  8PP"""""""  88       8b          8b       d8  88      88      88  #
+#  aa    ]8I  88       88  "8b,   ,aa  88  888  "8a,   ,aa  "8a,   ,a8"  88      88      88  #
+#  `"YbbdP"'  88       88   `"Ybbd8"'  88  888   `"Ybbd8"'   `"YbbdP"'   88      88      88  #
+#                                                                                            #
+#                                                                                            #
+##############################################################################################
+#                                                                                            #
+# Author: Andreas Maus <maus@ypbind.de> / Snel.com - Yavuz Aydin                             #
+# E-mail: support@snel.com                                                                   #
+# (c) Snel.com - all rights reserved                                                         #
+#                                                                                            #
+##############################################################################################
+#                                                                                            #
+# Script: check_reboot-required                                                              #
+# License: This file is licensed under the GPLv3 License                                     #
+# Purpose: Check if reboot is required                                                       #
+#                                                                                            #
+##############################################################################################
+#                                                                                            #
+# Changelog:                                                                                 #
+#                                                                                            #
+##############################################################################################
+#                                                                                            #
+# 2021/01/07  1.0  First release                                                             #
+#                                                                                            #
+##############################################################################################
+
+OK=0
+WARNING=1
+CRITICAL=2
+UNKNOWN=3
+
+warn_only="false"
+
+which lsb_release 2>/dev/null >/dev/null
+if [ $? -ne 0 ]; then
+  echo "lsb_release is missing"
+  exit ${UNKNOWN}
+fi
+
+function usage() {
+  echo "check_reboot-required"
+  echo ""
+  echo "Usage: $0 [-w|--warn] [-h|--help]"
+  echo ""
+  echo " -h       This text"
+  echo " --help"
+  echo ""
+  echo " -w       Report warning (instead of a critical) condition if reboot is required"
+  echo " --warn"
+  echo ""
+}
+
+case $1 in
+  -w|--warn)
+    warn_only="true"
+    ;;
+  -h|--help)
+    usage
+    exit 0
+    ;;
+esac
+
+function check_debian() {
+  if [ -s /var/run/reboot-required ]; then
+    if [ -s /var/run/reboot-required.pkgs ]; then
+      packages=$(xargs < /var/run/reboot-required.pkgs)
+    else
+      packages=""
+    fi
+    if [ -z "${packages}" ]; then
+      if [ "${warn_only}" == "true" ]; then
+        echo "System reboot is required"
+        exit ${WARNING}
+      else
+        echo "System reboot is required"
+        exit ${CRITICAL}
+      fi
+    else
+      if [ "${warn_only}" == "true" ]; then
+        echo "System reboot is required by: ${packages}"
+        exit ${WARNING}
+      else
+        echo "System reboot is required by: ${packages}"
+        exit ${CRITICAL}
+      fi
+    fi
+  else
+    check_running_kernel
+  fi
+}
+
+function check_redhat() {
+  major=$(lsb_release -rs | cut -d '.' -f 1)
+
+  if [ ${major} -lt 7 ]; then
+    check_running_kernel
+  fi
+
+  output=$(needs-restarting -r | xargs)
+  if [ $? -eq 0 ]; then
+    echo "${output}"
+    exit ${OK}
+  elif [ $? -eq 1 ]; then
+    echo "${output}"
+    if [ "${warn_only}" == "true" ]; then
+      exit ${WARNING}
+    else
+      exit ${CRITICAL}
+    fi
+  fi
+}
+
+function check_running_kernel() {
+  newest_installed_kernel=`ls -t /boot/vmlinuz-* | sed "s/\/boot\/vmlinuz-//g" | head -n1`
+  running_kernel=`uname -r`
+  if [[ $newest_installed_kernel != $running_kernel ]]; then
+    if [ "${warn_only}" == "true" ]; then
+      echo "System reboot is required by a newer kernel"
+      exit ${WARNING}
+    else
+      echo "System reboot is required by a newer kernel"
+      exit ${CRITICAL}
+    fi
+  else
+    echo "No reboot required"
+    exit ${OK}
+  fi
+}
+
+distro=$(lsb_release -is)
+case "${distro}" in
+  Debian|Ubuntu)
+    check_debian
+    ;;
+  CentOS)
+    check_redhat
+    ;;
+  *)
+    echo "Unsupported distribution ${distro}"
+    exit ${UNKNOWN}
+    ;;
+esac
+
+# Never reached
+exit ${UNKNOWN}