Show proxy environment variables

bash

env | grep -i proxy

Explanation

Inspect current shell proxy settings.

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

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Clear cached DNS results.

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Inspect status for a systemd-networkd link.

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Send ICMP echo requests to test basic reachability.

Inspect logs for systemd-networkd.