Created
August 2, 2023 22:52
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A shell script to automate system monitoring, maintenance and email you the results
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#!/bin/bash | |
# System Maintenance Script | |
# Create log file | |
log=/var/log/maintenance.log | |
# Print start status | |
echo "$(date) - Starting system maintenance" >> $log | |
# Update package lists | |
apt update >> $log 2>&1 | |
# Upgrade packages | |
apt upgrade -y >> $log 2>&1 | |
# Clear package cache | |
apt autoremove --purge -y >> $log 2>&1 | |
# Check disk usage | |
diskusage=( $(df -h | grep -v "Filesystem" | awk '{print $5}') ) | |
echo "$(date) - Disk usage:" >> $log | |
printf '%s\n' "${diskusage[@]}" >> $log | |
# List open files | |
openfiles=( $(lsof | wc -l) ) | |
echo "$(date) - Open files: $openfiles" >> $log | |
# Email log file | |
mail -s "System Maintenance Log" admin@example.com < $log | |
echo "$(date) - Maintenance complete" >> $log |
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