# tcpdump -C 1 -w hoge.pcap
tcpdump: hoge.pcap: Permission denied
# tcpdump -C 1 -Z root -w hoge.pcap
More than 5 years have passed since last update.
# tcpdump -C 1 -w hoge.pcap
tcpdump: hoge.pcap: Permission denied
# tcpdump -C 1 -Z root -w hoge.pcap
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