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̽Ë÷ Linux Linkwatch Àú³ÌµÄÓÃ;ºÍÖ÷ÒªÐÔ

ÔÚ Linux ϵͳÖУ¬Linkwatch ÊÇÒ»¸öÖ÷ÒªµÄÀú³Ì£¬ÈÏÕæ¼à¿ØÍøÂçÁ´Â·µÄת±ä²¢×÷³öÏìÓ¦µÄ´¦Àí¡£Linkwatch Àú³ÌµÄ±£´æ£¬¿ÉÒÔ×ÊÖúϵͳʵʱ·¢Ã÷ÍøÂçÁ´Â·µÄת±ä£¬ÈçÍø¿¨¶Ï¿ª»òÅþÁ¬¡¢IP µØµãת±äµÈÇéÐΣ¬´Ó¶øÌá¸ßϵͳµÄÍøÂçÎȹÌÐԺͿɿ¿ÐÔ¡£±¾ÎĽ«ÉîÈë̽ÌÖ Linux Linkwatch Àú³ÌµÄÓÃ;ºÍÖ÷ÒªÐÔ£¬²¢Í¨¹ýÏêϸ´úÂëʾÀýÀ´Õ¹Ê¾ÆäÊÂÇéÔ­Àí¡£

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1.1 ÓÃ;£º

Linkwatch Àú³ÌÖ÷ÒªÓÃÓÚ¼à¿ØÍøÂçÁ´Â·µÄ״̬ת±ä¡£ÔÚÒ»¸öÖØ´óµÄÍøÂçÇéÐÎÖУ¬ÍøÂçÁ´Â·³£³£»á±¬·¢×ª±ä£¬ÈçÍø¿¨¶Ï¿ª¡¢ÖØÐÂÅþÁ¬¡¢IP µØµãת±äµÈ¡£ÕâЩת±ä»áÓ°ÏìϵͳµÄÍøÂçÅþÁ¬ºÍͨѶ£¬Òò´ËÐèÒªÒ»¸öרÃŵÄÀú³ÌÀ´¼à¿ØÍøÂçÁ´Â·×´Ì¬£¬²¢ÊµÊ±×÷³öÏìÓ¦µÄ´¦Àí¡£

1.2 Ö÷ÒªÐÔ£º

Linkwatch Àú³ÌµÄÖ÷ÒªÐÔÔÚÓÚÌá¸ßϵͳµÄÍøÂçÎȹÌÐԺͿɿ¿ÐÔ¡£Í¨¹ý¼à¿ØÍøÂçÁ´Â·×´Ì¬£¬Linkwatch Äܹ»ÊµÊ±·¢Ã÷ÍøÂçÁ´Â·µÄת±ä£¬²¢Í¨ÖªÏµÍ³×ö³öÏìÓ¦µÄµ÷½â¡£ÀýÈ磬ÔÚÍø¿¨¶Ï¿ªÊ±£¬Linkwatch ¿ÉÒÔ֪ͨϵͳ×èÖ¹¶Ô¸ÃÍø¿¨µÄÊý¾Ý´«Êä²Ù×÷£¬×èÖ¹Êý¾Ýɥʧ£»ÔÚÍøÂçÖØÐÂÅþÁ¬Ê±£¬Linkwatch ¿ÉÒÔÖØн¨ÉèÍøÂçÅþÁ¬£¬È·±£ÍøÂçͨѶÁ÷ͨ¡£

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#!/bin/bash

# ¼à¿ØÍøÂçÁ´Â·×´Ì¬×ª±ä
while true
do
    LINK=$(cat /sys/class/net/eth0/carrier)

    if [ $LINK -eq 0 ]
    then
        echo "Ethernet link is down"
    else
        echo "Ethernet link is up"
    fi

    sleep 1
done

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