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AI-generatedsystemd-resolved stub resolver and /etc/resolv.conf symbolic link configuration
Red Hat Enterprise Linux utilizes systemd-resolved to manage network name resolution, providing a local DNS stub listener at 127.0.0.53. This architecture allows for per-interface DNS routing and integrated caching to optimize query latency. Standard integration requires /etc/resolv.conf to be a symbolic link pointing to /run/systemd/resolve/stub-resolv.conf
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