[Zabbix] Add simple Zabbix scripts

Linux/zabbix/check_service.sh

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+#!/bin/bash
+
+# Find service name from argument
+monitorService=$1
+
+# Check if $monitorService is empty
+if [ -z "$monitorService" ]; then
+  read -p "Please pass me the service name: " monitorService
+fi
+
+
+# Define the check_service function
+function check_service {
+
+  # Check if the service is active and report so
+  if systemctl is-active --quiet $monitorService; then
+    echo "$monitorService is running"
+
+  # If the service is not running, exit with an error.
+  else
+    echo "$monitorService is not running"
+    exit 1
+  fi
+}
+
+# Excecute the check_service function
+check_service

Linux/zabbix/cleanup_disk.sh

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+#!/bin/bash
+
+# Prune container images
+if [ -x "$(command -v docker)" ]; then
+  echo "Pruning using Docker"
+  sudo docker image prune -af
+
+elif [ -x "$(command -v podman)" ]; then
+  echo "Pruning using Podman"
+  sudo podman image prune -af
+
+else
+  echo "No container images to prune"
+fi
+
+
+# Remove all disabled snaps
+if [ -x "$(command -v snap)" ]; then
+  echo "Remove all deactivated snaps"
+  sudo snap list --all | \
+    awk '/disabled/{print $1, $3}' | \
+    while read snapname revision; do \
+      sudo snap remove "$snapname" --revision="$revision";
+    done
+else
+  echo "No snaps found"
+fi
+
+
+# Flush and rotate all logs
+if [ -x "$(command -v journalctl)" ]; then
+  echo "Vacuuming logs using journalctl"
+  sudo journalctl \
+    --flush \
+    --rotate \
+    --vacuum-time=1s
+else
+  echo "JournalCTL not found"
+fi
+
+# remove zipped logs
+echo "Delete zipped logs"
+sudo rm -rf /var/log/*.gz

Linux/zabbix/cleanup_swap.sh

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+# Clear swapusage
+free_memory=`free -m | awk 'NR==2{print $7}'`
+used_swap=`free -m | awk 'NR==3{print $3}'`
+
+if [ $free_memory -gt $used_swap ]; then
+  sudo swapoff -a && sudo swapon -a
+  echo "Swap usage cleared!"
+else
+  echo "Cannot clear swapusage, not enough memory!"
+fi2