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涓赌銆丩耻产耻苍迟耻缃戠粶绠＄悊鐣岄溃鍩虹��妫赌娴�

鍦↙ubuntu妗岄潰鐜�澧冧腑锛岀敤鎴峰彲閫氳繃鍙充笂瑙掔郴缁熸墭鐩樺尯鐨勭綉缁滃浘鏍囪繘鍏ョ綉缁滅�＄悊鐣岄潰銆傚彸閿�鐐瑰嚮璇ュ浘鏍囬�夋嫨"Connection Information"锛屽嵆鍙�鏌ョ湅褰撳墠缃戠粶杩炴帴鐨勮�︾粏淇℃伅锛屽寘鎷琁P鍦板潃銆佸瓙缃戞帺鐮併�侀粯璁ょ綉鍏崇瓑鍩虹��鍙傛暟銆傝嫢鍙戠幇姝ゅ�勬樉绀�"Disconnected"鐘舵�侊紝寤鸿��浼樺厛妫�鏌ョ綉绾胯繛鎺ユ垨鏃犵嚎缃戠粶寮�鍏虫槸鍚﹀惎鐢ㄣ��

瀵逛簬鏈夌嚎缃戠粶鐢ㄦ埛锛孡XQt鎺у埗涓�蹇冩彁渚涗簡瀹屾暣鐨勭綉缁滈�傞厤鍣ㄦ��娴嬪姛鑳姐�傞�氳繃"Menu > Preferences > Network Connections"璺�寰勶紝鍦�"Wired"閫夐」鍗′腑鍙�浠ユ煡鐪嬩互澶�缃戞帴鍙ｇ殑宸ヤ綔鐘舵�併�傚綋缃戠粶鍥炬爣鍑虹幇榛勮壊鎰熷徆鍙锋椂锛屽彲鍦ㄦ�ょ晫闈㈠皾璇曠�佺敤/閲嶆柊鍚�鐢ㄧ綉缁滆繛鎺ワ紝姝ゆ搷浣滃父鑳借В鍐充复鏃舵�х殑IP鍦板潃鍒嗛厤鏁呴殰銆�

浜屻赌佺粓绔�鍛戒护宸ュ叿娣卞害璇婃柇

1. 鍩虹��杩為�氭�ф祴璇曪細鎵撳紑LXTerminal杈撳叆`ping 8.8.8.8 -c 4`锛岃�ュ懡浠ら�氳繃鍚慓oogle DNS鏈嶅姟鍣ㄥ彂槎膩4涓�娴嬭瘯鍖咃紝鍙�蹇�閫熷垽鏂�澶栫綉杩為�氭�с�傝嫢鍑虹幇"100% packet loss"锛屽垯琛ㄦ槑瀛樺湪涓ラ噸缃戠粶涓�鏂�銆�

2. 璺�鐢辫拷韪�鍛戒护锛氭墽琛宍traceroute www.ubuntu.com`鍙�鏄剧ず鏁版嵁鍖呬紶杈撹矾寰勩�傚綋缃戠粶寤惰繜寮傚父鏃讹紝閫氳繃瑙傚療鍚勮烦鑺傜偣鐨勫搷搴旀椂闂达紝鑳界簿鍑嗗畾浣嶆晠闅滃彂鐢熺殑缃戠粶鍖烘�点�傚缓璁�鎼�閰峘mtr`宸ュ叿杩涜�屾寔缁�鐩戞帶锛岃�ユ贩鍚堝懡浠ょ粨鍚堜簡traceroute鍜宲ing鐨勫弻閲嶅姛鑳姐��

3. DNS瑙ｆ瀽妫�娴嬶細浣跨敤`nslookup ubuntu.com`鍛戒护楠岃瘉鍩熷悕瑙ｆ瀽鏄�鍚︽�ｅ父銆傝嫢杩斿洖"Server can't find ubuntu.com"锛屽彲鑳介渶瑕佹��鏌�/etc/resolv.conf鏂囦欢涓�鐨凞NS鏈嶅姟鍣ㄩ厤缃�锛屾垨涓存椂鏇存崲涓�114.114.114.114绛夊叕鍏盌NS銆�

涓夈赌佷笓涓氱綉缁滆瘖鏂�宸ュ叿濂椾欢

1. Wireshark鎶撳寘鍒嗘瀽锛氶�氳繃`sudo apt install wireshark`瀹夎�呭悗锛岀敤鎴峰彲鎹曡幏缃戠粶鎺ュ彛鐨勬墍鏈夋暟鎹�鍖呫�傚湪杩囨护鏍忚緭鍏�"tcp.port == 80"鍙�涓撴敞鍒嗘瀽HTTP娴侀噺锛岀壒鍒�閫傜敤浜庢帓鏌ョ綉椤靛姞杞藉紓甯搁棶棰樸��

2. Speedtest-cli甯﹀�芥祴璇曪細鍛戒护琛屽伐鍏穈speedtest-cli`鑳界簿纭�娴嬮噺褰撳墠缃戠粶鐨勫疄闄呬笂涓嬭�岄�熺巼銆傛祴璇曠粨鏋滃寘鍚�缃戠粶寤惰繜銆佷笅杞介�熷害锛圡bps锛夈�佷笂浼犻�熷害涓夐」鍏抽敭鎸囨爣锛屾瘮缃戦〉鐗堟祴璇曟洿鑺傜渷绯荤粺璧勬簮銆�

3. EtherApe鍥惧舰鍖栫洃鎺э細璇ュ彲瑙嗗寲宸ュ叿浠ュ姩鎬佸浘琛ㄥ睍绀哄疄鏃剁綉缁滄祦閲忥紝涓嶅悓棰滆壊鐨勮繛绾垮垎鍒�浠ｈ〃TCP銆乁DP绛夊崗璁�绫诲瀷銆傞�氳繃瑙傚療娴侀噺鍒嗗竷锛屽彲蹇�閫熻瘑鍒�寮傚父鏁版嵁浼犺緭杩涚▼锛屾寜浣廋trl+R鍙�閲嶇疆缁熻�¤�℃暟鍣ㄣ��