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curl

curl ÏÂÁî¿ÉÒÔÓÃÀ´¼ì²é URL µÄÓÐÓÃÐÔ¡£Ëü»á·¢ËÍÒ»¸ö HTTP ÇëÇóµ½Ö¸¶¨µÄ URL£¬²¢·µ»ØÒ»¸öÏìÓ¦´úÂë¡£ÏìÓ¦´úÂë¿ÉÒÔÓÃÀ´ÅÐ¶Ï URL ÊÇ·ñÓÐÓá£

curl -I https://www.example.com

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wget

wget ÏÂÁîÒ²¿ÉÒÔÓÃÀ´¼ì²é URL µÄÓÐÓÃÐÔ¡£Ëü»áÏÂÔØÖ¸¶¨µÄ URL£¬²¢¼ì²éÏÂÔØÊÇ·ñÀֳɡ£

wget https://www.example.com

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host

host ÏÂÁî¿ÉÒÔÓÃÀ´¼ì²é DNS ¼Í¼£¬´Ó¶ø¼ä½ÓµØ¼ì²é URL µÄÓÐÓÃÐÔ¡£Ëü»áÆÊÎöÖ¸¶¨µÄÓòÃû£¬²¢·µ»Ø IP µØµã¡£

host www.example.com

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ping

ping ÏÂÁî¿ÉÒÔÓÃÀ´¼ì²éÓëÖ¸¶¨ IP µØµãµÄÅþÁ¬ÐÔ¡£ÕâÒ²¿ÉÒÔÓÃÀ´¼ä½ÓµØ¼ì²é URL µÄÓÐÓÃÐÔ¡£

ping www.example.com

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