```$ ss -lntpuae|rg -i 8081 tcp LISTEN 0 ...
# linux
g
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$ ss -lntpuae|rg -i 8081
tcp    LISTEN     0       4096           0.0.0.0:8081            0.0.0.0:*       users:(("docker-proxy",pid=20336,fd=4)) ino:30419398 sk:20b8 <->
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ports:
      - "51821-51830:51821-51830/udp"
      - "8081:8081"