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Do not recommend LD_PRELOAD anymore

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Pekka Helenius 3 years ago
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WAN IPv4 checker & email notifier for computer environments behind dynamic IP address.
**NOTE:** I currently use proper Linux network namespace setup for this script and for fallback DNS servers. Therefore, in my point of view, introduced `LD_PRELOAD` method is obsolete and I do not recommend using it anymore (I actually found it quite buggy, too). I leave it for legacy purposes if someone finds it useful, anyway.
## About
In many home networks, WAN (Wide Area Network) IP addresses are dynamically allocated by a local ISP. Usually this is acceptable in common household/home use, but not in server use where static DHCP lease/static IP address is very much a mandatory requirement.


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