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klaeufer/freedns.sh

Created February 16, 2024 18:30
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Update FreeDNS entry to private IP address on Linux - run manually, on startup, or in cron
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freedns.sh
#!/bin/bash
PRIVATE_IP=$(ip addr show wlp0s20f3 | grep 'inet ' | awk '{print $2}' | cut -f1 -d'/')
curl https://freedns.afraid.org/dynamic/update.php?MY_FREEDNS_API_KEY\&address=$PRIVATE_IP
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