diff --git a/domdownload.sh b/domdownload.sh
index 024019d..6967757 100755
--- a/domdownload.sh
+++ b/domdownload.sh
@@ -121,6 +121,10 @@ PerfTimerLogSession()
     return 0
   fi
 
+  # truncate log
+  tail -$PERF_MAX_LOG_LINES "$PERF_LOG_FILE" >> "$PERF_LOG_FILE.tmp"
+  mv -f "$PERF_LOG_FILE.tmp" "$PERF_LOG_FILE"
+
   echo >> "$PERF_LOG_FILE"
   date '+%F %T' >> "$PERF_LOG_FILE"
   echo "--------------------" >> "$PERF_LOG_FILE"
@@ -2153,9 +2157,13 @@ if [ -z "$PERF_MAX_CHECKSUM" ]; then
   PERF_MAX_CHECKSUM=5000
 fi
 
+if [ -z "$PERF_MAX_LOG_LINES" ]; then
+  PERF_MAX_LOG_LINES=100
+fi
 
 PERF_LOG_FILE=$DOMDOWNLOAD_CFG_DIR/domdownload.perf
 
+
 if [ ! -e "$DOMDOWNLOAD_CFG_DIR" ]; then
     LogMessage "Info: Creating configuration directory: $DOMDOWNLOAD_CFG_DIR"
     mkdir -p "$DOMDOWNLOAD_CFG_DIR"
diff --git a/snmp/dominosnmp.service b/snmp/dominosnmp.service
new file mode 100644
index 0000000..a556690
--- /dev/null
+++ b/snmp/dominosnmp.service
@@ -0,0 +1,32 @@
+###########################################################################
+# systemd Service - Start/Stop Script for HCL Domino SNMP Agent           #
+# Version 1.0.0 09.11.2023                                                #
+#                                                                         #
+# (C) Copyright Daniel Nashed/NashCom 2023                                #
+# Feedback domino_unix@nashcom.de                                         #
+#                                                                         #
+# Licensed under the Apache License, Version 2.0 (the "License");         #
+# you may not use this file except in compliance with the License.        #
+# You may obtain a copy of the License at                                 #
+#                                                                         #
+#      http://www.apache.org/licenses/LICENSE-2.0                         #
+#                                                                         #
+# Unless required by applicable law or agreed to in writing, software     #
+# distributed under the License is distributed on an "AS IS" BASIS,       #
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.#
+# See the License for the specific language governing permissions and     #
+# limitations under the License.                                          #
+###########################################################################
+
+[Unit]
+
+Description=HCL Domino SNMP Agent
+After=syslog.target network.target
+
+[Service]
+Type=forking
+ExecStart=/opt/hcl/domino/notes/latest/linux/lnsnmp -F
+
+[Install]
+WantedBy=multi-user.target
+
diff --git a/snmp/install.sh b/snmp/install.sh
new file mode 100755
index 0000000..d486199
--- /dev/null
+++ b/snmp/install.sh
@@ -0,0 +1,53 @@
+#!/bin/bash
+
+DOMINO_SNMP_SYSTEMD_NAME=dominosnmp
+DOMINO_SNMP_SYSTEMD_FILE=$DOMINO_SNMP_SYSTEMD_NAME.service
+DOMINO_SNMP_SYSTEMD_FILEPATH=/etc/systemd/system/$DOMINO_SNMP_SYSTEMD_FILE
+SNMPD_CONF=/etc/snmp/snmpd.conf
+
+
+log ()
+{
+  echo
+  echo "$@"
+  echo
+}
+
+log_error()
+{
+  log "$@"
+  exit 1
+}
+
+
+if [ ! -e "$SNMPD_CONF" ]; then
+  log_error "SNMP Agent not installed" 
+fi
+
+if [ -n "$(grep "smuxpeer 1.3.6.1.4.1.334.72" "$SNMPD_CONF")" ]; then
+  log "Domino SNMP settings already set in $SNMPD_CONF"
+
+else
+  echo >> "$SNMPD_CONF"
+  echo "# Allow HCL Domino SNMP SMUX (lnsnmp)" >> "$SNMPD_CONF"
+  echo "smuxpeer 1.3.6.1.4.1.334.72 NotesPasswd" >> "$SNMPD_CONF"
+  echo >> "$SNMPD_CONF"
+
+  systemctl restart snmpd
+fi
+
+
+cp $DOMINO_SNMP_SYSTEMD_FILE $DOMINO_SNMP_SYSTEMD_FILEPATH 
+chown root:root $DOMINO_SNMP_SYSTEMD_FILEPATH
+chmod 644 $DOMINO_SNMP_SYSTEMD_FILEPATH
+
+systemctl daemon-reload
+systemctl enable $DOMINO_SNMP_SYSTEMD_NAME
+
+log "Starting Domino SNMP agent..."
+
+systemctl restart $DOMINO_SNMP_SYSTEMD_NAME
+systemctl status $DOMINO_SNMP_SYSTEMD_NAME
+
+log "Note: Ensure that the quryset and intrcpt server tasks are started on your Domino server"
+