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linux下批量並行telnet對端端口的實現方法

日期:2017/1/20 17:35:55      編輯:Linux系統常見問題解答

 以下是以telnet對端22端口為例

  station91:~/shell/telnet_port # pwd

  /root/shell/telnet_port

  station91:~/shell/telnet_port # cat telnet_port.sh

  #!/bin/bash

  rm telnet_result.txt >/dev/null 2>&1

  PORT_22=22

  for i in $(cat ip.list)

  do (telnet $i $PORT_22<>telnet_result.txt &) >/dev/null 2>&1

  #加&讓其並行執行,>>telnet_result.txt記錄telnet過程中的日志

  quit

  EOF

  done

  cat telnet_result.txt | grep -B 1 \] | grep [1-9] | awk '{print $3}' | cut -d '.' -f 1,2,3,4 > telnet_alive.txt

  cat ip.list telnet_alive.txt | sort | uniq -u > telnet_die.txt

  station91:~/shell/telnet_port # for i in {88..93};do echo "192.168.14.$i">>ip.list;done #使用for循環得到需要telnet主機的ip

  station91:~/shell/telnet_port # cat ip.list

  192.168.14.88

  192.168.14.89

  192.168.14.90

  192.168.14.91

  192.168.14.92

  192.168.14.93

  station91:~/shell/telnet_port # ls

  ip.list telnet_port.sh

  station91:~/shell/telnet_port # ./telnet_port.sh &

  [1] 16848

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