22 lines
920 B
Bash
22 lines
920 B
Bash
#!/bin/bash
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watchdog=$(sudo cat /var/lib/dhcp/* | grep -a "option watchdog" | tail -1 | \
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awk '{for (i=3; i<=NF; i++) printf "%s ", $i}' | tr -d '";')
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IFS=' ' read -r -a ip_array <<< "$watchdog"
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config_file="/etc/watchdog.conf"
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sudo cp "$config_file" "$config_file.bak"
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sudo sed -i '/ping/d' "$config_file"
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sudo sed -i '/^interval/d' "$config_file"
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echo "interval = 60" | sudo tee -a "$config_file" > /dev/null
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if [ ${#ip_array[@]} -eq 0 ]; then
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sudo sed -i '/interval/d' "$config_file"
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echo "No IP addresses found. Watchdog configuration cleared." >> /var/log/watchdog 2>&1
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sudo systemctl stop watchdog
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else
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for ip in "${ip_array[@]}"; do
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echo "ping = $ip" | sudo tee -a "$config_file" > /dev/null
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done
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fi
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sudo systemctl restart watchdog >> /var/log/watchdog 2>&1
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# Version 1.1:
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# Created 2024 by Tim Eertmoed @ WiS IT-Solutions GmbH, Germany to work on Raspian as custom pxe init script. |