{"id":26487,"date":"2025-04-19T15:46:23","date_gmt":"2025-04-19T07:46:23","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/26487.html"},"modified":"2025-04-19T15:46:23","modified_gmt":"2025-04-19T07:46:23","slug":"%e8%a7%a3%e5%86%b3%e9%98%bf%e9%87%8c%e4%ba%91%e8%bd%bb%e9%87%8f%e7%ba%a7%e6%9c%8d%e5%8a%a1%e5%99%a8-ubuntu-24-04-1-lts-%e6%b2%a1%e7%bd%91%e4%b9%9f-ping-%e4%b8%8d%e9%80%9a-8-8-8-8-%e4%bb%a5%e5%8f%8a-ro","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/26487.html","title":{"rendered":"\u89e3\u51b3\u963f\u91cc\u4e91\u8f7b\u91cf\u7ea7\u670d\u52a1\u5668 Ubuntu 24.04.1 LTS \u6ca1\u7f51\u4e5f ping \u4e0d\u901a 8.8.8.8 \u4ee5\u53ca route -n \u6ca1\u6709\u8f93\u51fa\u4efb\u4f55\u8f6c\u53d1\u4fe1\u606f"},"content":{"rendered":"

\u4e8b\u60c5\u53d1\u751f\u5728\u4e24\u5929\u524d，\u4f4d\u4e8e\u516c\u7f51\u7684\u963f\u91cc\u4e91\u8f7b\u91cf\u7ea7\u670d\u52a1\u5668（Ubuntu 24.04.1 LTS）\u5ffd\u7136\u6ca1\u7f51\u3002\u4e3b\u8981\u662f\u4e0a\u6b21\u4e0a\u670d\u52a1\u5668\u8fdb\u884c\u914d\u7f6e\u5df2\u7ecf\u662f\u4e00\u4e2a\u591a\u6708\u524d，\u6700\u8fd1\u4e5f\u6ca1\u6709\u505a\u4ec0\u4e48\u4e8b\u60c5，\u5c31\u5ffd\u7136\u6ca1\u7f51\u4e86，\u8ba9\u4eba\u7eb3\u95f7\u3002\u66f4\u4e3b\u8981\u7684\u662f，\u4e0a\u6b21\u5907\u4efd\u662f\u4e00\u4e2a\u591a\u6708\u524d，\u5982\u679c\u56de\u6eda，\u6700\u8fd1\u4e00\u4e2a\u6708\u4e0a\u4f20\u7684\u6570\u636e\u5c06\u4f1a\u4e22\u5931\u3002\u60f3\u8981\u4e0b\u8f7d\u6570\u636e\u4e0b\u6765\u8fdb\u884c\u91cd\u7f6e\u7cfb\u7edf（\u4f1a\u5220\u9664\u6240\u6709\u5feb\u7167）\u518d\u4e0a\u4f20\u4e5f\u4e0d\u662f\u4e2a\u529e\u6cd5，\u56e0\u4e3a\u6ca1\u7f51，ssh \u90fd\u8fde\u4e0d\u4e0a，\u66f4\u4e0d\u7528\u8bf4\u4e0b\u8f7d\u3002\u6700\u540e，\u82b1\u4e86\u4e09\u4e2a\u5c0f\u65f6，\u7ec8\u4e8e\u89e3\u51b3\u4e86\u95ee\u9898\u3002<\/p>\n

\u4e00\u3001\u6545\u969c\u73b0\u8c61<\/h2>\n

\u5728\u5f53\u524d\u6545\u969c\u72b6\u6001\u4e0b\u6253\u4e86\u4e2a\u5907\u4efd，\u56de\u6eda\u5230\u4e0a\u4e00\u6b21\u53ef\u4ee5\u8054\u7f51\u7684\u72b6\u6001\u8fdb\u884c\u5206\u6790\u3002\u5bf9\u6bd4\u53d1\u73b0，\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u4e2a\u6545\u969c\u73b0\u8c61\u3002<\/p>\n

（\u4e00）ping \u4e0d\u901a<\/h4>\n

\u53d1\u73b0\u5728\u81ea\u5df1\u7535\u8111\u5c1d\u8bd5\u4f7f\u7528 ssh\u3001https \u7b49\u534f\u8bae\u8bbf\u95ee\u670d\u52a1\u5668\u4e0d\u540c\u7684\u7aef\u53e3\u90fd\u65e0\u6cd5\u8bbf\u95ee，ping \u4e5f ping \u4e0d\u8fdb\u53bb\u3002\u5728\u963f\u91cc\u4e91\u6551\u63f4\u8fde\u63a5\u4e0b\u6267\u884c ping www.baidu.com \u4e0d\u901a，\u6267\u884c ping 8.8.8.8 \u4e5f\u4e0d\u901a\u3002\u611f\u89c9\u5c31\u662f\u5b8c\u5168\u6ca1\u7f51\u3002<\/p>\n

（\u4e8c）\u6267\u884c ifconfig \u53ea\u6709 lo \u6ca1\u6709 eth0<\/h4>\n

\u56de\u6eda\u4e86\u4e00\u4e0b\u4ee5\u524d\u7684\u7248\u672c，\u53d1\u73b0\u53ef\u4ee5\u8054\u7f51，\u6267\u884c ifconfig，\u663e\u793a\u5982\u4e0b（\u5177\u4f53 IP \u5730\u5740\u7528 X \u8fdb\u884c\u4e86\u4ee3\u66ff）\u3002<\/p>\n

root@Universe:~# ifconfig
\neth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
\n inet XXX.XXX.XXX.XXX netmask XXX.XXX.XXX.XXX broadcast XXX.XXX.XXX.XXX
\n inet6 XXXX:XXXX:XXXX:XXXX:XXXX prefixlen 64 scopeid 0x20<link>
\n ether 00:16:3e:0c:12:69 txqueuelen 1000 (Ethernet)
\n RX packets 1759 bytes 194870 (194.8 KB)
\n RX errors 0 dropped 0 overruns 0 frame 0
\n TX packets 1826 bytes 1352244 (1.3 MB)
\n TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0<\/p>\n

lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
\n inet 127.0.0.1 netmask 255.0.0.0
\n inet6 ::1 prefixlen 128 scopeid 0x10<host>
\n loop txqueuelen 1000 (Local Loopback)
\n RX packets 332540 bytes 27292720 (27.2 MB)
\n RX errors 0 dropped 0 overruns 0 frame 0
\n TX packets 332540 bytes 27292720 (27.2 MB)
\n TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0<\/p>\n

\u5728\u5f53\u524d\u6545\u969c\u72b6\u6001\u4e0b，\u6267\u884c ifconfig，\u663e\u793a\u5982\u4e0b，\u6ca1\u6709 eth0\u3002<\/p>\n

root@Universe:~# ifconfig
\nlo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
\n inet 127.0.0.1 netmask 255.0.0.0
\n inet6 ::1 prefixlen 128 scopeid 0x10<host>
\n loop txqueuelen 1000 (Local Loopback)
\n RX packets 332540 bytes 27292720 (27.2 MB)
\n RX errors 0 dropped 0 overruns 0 frame 0
\n TX packets 332540 bytes 27292720 (27.2 MB)
\n TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0<\/p>\n

（\u4e09）\u6267\u884c route -n \u6ca1\u6709\u4efb\u4f55\u4fe1\u606f<\/h4>\n

\u56de\u6eda\u5230\u53ef\u4ee5\u8054\u7f51\u7684\u7248\u672c\u65f6，\u6267\u884c route -n \u662f\u6709\u6570\u636e\u7684（\u7528 X \u66ff\u6362\u4e86\u771f\u5b9e IP）\u3002<\/p>\n

root@Universe:~# route -n
\nKernel IP routing table
\nDestination Gateway Genmask Flags Metric Ref Use Iface
\n0.0.0.0 XXX.XXX.XXX.XXX 0.0.0.0 UG 100 0 0 eth0
\nXXX.XXX.XXX.XXX XXX.XXX.XXX.XXX 255.255.255.255 UGH 100 0 0 eth0
\nXXX.XXX.XXX.XXX XXX.XXX.XXX.XXX 255.255.255.255 UGH 100 0 0 eth0
\nXXX.XXX.XXX.XXX 0.0.0.0 255.255.192.0 U 100 0 0 eth0
\nXXX.XXX.XXX.XXX 0.0.0.0 255.255.255.255 UH 100 0 0 eth0<\/p>\n

\u6545\u969c\u72b6\u6001\u4e0b，\u6267\u884c route -n，\u6ca1\u6709\u6709\u6548\u6570\u636e\u3002<\/p>\n

root@Universe:~# route -n
\nKernel IP routing table
\nDestination Gateway Genmask Flags Metric Ref Use Iface<\/p>\n

(\u56db）\u963f\u91cc\u4e91\u63a7\u5236\u53f0\u8bca\u65ad\u672a\u53d1\u73b0\u5f02\u5e38<\/h4>\n

\"\u8bca\u65ad\"<\/p>\n

\u4e8c\u3001\u5206\u6790\u4e0e\u5c1d\u8bd5<\/h2>\n

（\u4e00）\u4ece ping \u4e0b\u624b<\/h4>\n

\u5982\u679c\u53ea\u662f ping www.baidu.com \u5931\u8d25\u800c ping 8.8.8.8 \u6210\u529f，\u90a3\u5e94\u8be5\u662f DNS \u95ee\u9898，\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898，\u7f51\u4e0a\u6559\u7a0b\u6709\u5f88\u591a，\u4f8b\u5982 https:\/\/unix.stackexchange.com\/questions\/275428\/i-can-ping-ips-but-cant-resolve-domains\u3002\u4f46\u662f，\u6839\u636e\u6545\u969c\u73b0\u8c61（\u4e00）\u53ef\u4ee5\u77e5\u9053，\u8fde 8.8.8.8 \u90fd ping \u4e0d\u901a，\u90a3\u80af\u5b9a\u4e0d（\u53ea）\u662f DNS \u7684\u95ee\u9898\u3002\u7b14\u8005\u4e5f\u8bd5\u4e86\u4e00\u4e0b\u5f53\u6210 DNS \u95ee\u9898\u8fdb\u884c\u89e3\u51b3，\u4f46\u670d\u52a1\u5668\u4f9d\u65e7\u65e0\u6cd5\u8fde\u63a5\u4e0a\u3002 \u767e\u5ea6\u548c\u8c37\u6b4c\u641c\u7d22 ping temporary failure in name resolution \u548c ping connect network is unreachable \u4e86\u534a\u5929，\u8bf4\u8981\u4fee\u6539 \/etc\/resolv.conf，\u6dfb\u52a0 8.8.8.8 \u548c 8.8.4.4，\u4f46\u5bf9\u6bd4\u4e86\u4e00\u4e0b\u4e4b\u524d\u6b63\u5e38\u8054\u7f51\u7684\u6587\u4ef6，\u53d1\u73b0\u8be5\u6587\u4ef6\u6ca1\u6709\u53d8\u5316，\u6240\u4ee5\u5e94\u8be5\u4e0d\u7528\u4fee\u6539\u3002\u4e8b\u5b9e\u4e0a，\u7b14\u8005\u5c1d\u8bd5\u8fc7\u4fee\u6539，\u65e0\u6d4e\u4e8e\u4e8b\u3002\u4f46\u8fd8\u662f\u52a0\u4e0a，\u6bd5\u7adf\u591a\u4e24\u4e2a\u57df\u540d\u89e3\u6790\u670d\u52a1 IP \u4e0d\u662f\u4ec0\u4e48\u574f\u4e8b，\u5728\u8fd9\u7bc7\u535a\u6587\u9996\u53d1\u4e00\u5468\u540e\u4e5f\u51fa\u73b0\u4e86\u53ea\u80fd ping \u901a IP \u4e0d\u80fd ping \u901a\u57df\u540d\u7684\u4e8b\u60c5，\u9700\u8981\u6dfb\u52a0\u8fd9\u4e24\u4e2a\u57df\u540d\u89e3\u6790\u670d\u52a1 IP \u89e3\u51b3\u3002<\/p>\n

root@Universe:~# cat \/etc\/resolv.conf
\n# This is \/run\/systemd\/resolve\/stub-resolv.conf managed by man:systemd-resolved(8).
\n# Do not edit.
\n#
\n# This file might be symlinked as \/etc\/resolv.conf. If you're looking at
\n# \/etc\/resolv.conf and seeing this text, you have followed the symlink.
\n#
\n# This is a dynamic resolv.conf file for connecting local clients to the
\n# internal DNS stub resolver of systemd-resolved. This file lists all
\n# configured search domains.
\n#
\n# Run "resolvectl status" to see details about the uplink DNS servers
\n# currently in use.
\n#
\n# Third party programs should typically not access this file directly, but only
\n# through the symlink at \/etc\/resolv.conf. To manage man:resolv.conf(5) in a
\n# different way, replace this symlink by a static file or a different symlink.
\n#
\n# See man:systemd-resolved.service(8) for details about the supported modes of
\n# operation for \/etc\/resolv.conf.<\/p>\n

nameserver 127.0.0.53
\noptions edns0 trust-ad
\nsearch .<\/p>\n

（\u4e8c）\u641c\u7d22\u5176\u5b83\u76f8\u5173\u89e3\u51b3\u65b9\u6848（\u53ef\u80fd\u5bf9\u5176\u5b83\u7f51\u7edc\u95ee\u9898\u6709\u7528\u53ef\u9010\u4e2a\u5c1d\u8bd5）<\/h4>\n
  • \u4fee\u6539 \/etc\/sysconfig\/network-script \u4e0b\u7684\u914d\u7f6e\u6587\u4ef6，\u53d1\u73b0 cd \u5230\u8fd9\u4e2a\u76ee\u5f55\u65f6\u63d0\u793a\u76ee\u5f55\u4e0d\u5b58\u5728；<\/li>\n
  • \u4f7f\u7528 Network-Manager\u3001networkmanger\u3001nmcli\u3001netset \u7b49\u5de5\u5177\u548c service XXX restart \u7b49\u547d\u4ee4\u91cd\u542f\u7f51\u7edc\u7ba1\u7406\u5668，\u5747\u63d0\u793a\u4e0d\u5b58\u5728\u6216\u670d\u52a1\u672a\u5b89\u88c5，\u68c0\u67e5\u53d1\u73b0\u6b63\u5e38\u72b6\u6001\u4e0b\u4e5f\u6ca1\u6709\u88c5\u8fc7\u8fd9\u4e9b\u4e1c\u897f，\u6240\u4ee5，\u5c1d\u8bd5 apt \u5b89\u88c5，\u60f3\u5565\u5462，\u6ca1\u7f51\u554a；<\/li>\n
  • \u4f7f\u7528 \/etc\/init.d\/networking，\u63d0\u793a\u6ca1\u6709\u8fd9\u4e2a\u6587\u4ef6（\u600e\u4e48\u4ec0\u4e48\u90fd\u6ca1\u6709）；<\/li>\n
  • \u89c1\u5f97\u6700\u591a\u7684\u662f \/etc\/network\/interfaces，cd \u8fc7\u53bb，\u54e6\u543c，\u53c8\u6ca1\u6709\u8fd9\u4e2a\u6587\u4ef6\u5939；<\/li>\n
  • GPT \u8bf4\u4ece Ubuntu 17 \u5f00\u59cb，\/etc\/network\/interfaces \u53d8\u6210\u4e86 netplan，\u6bd4\u8f83\u4e86\u4e0b\u6545\u969c\u72b6\u6001\u4e0b\u548c\u6b63\u5e38\u72b6\u6001\u4e0b\u7684\u914d\u7f6e，\u53d1\u73b0 \/etc\/netplan \u4e0b\u591a\u4e86\u4e2a yaml \u6587\u4ef6，\u4e8e\u662f\u5220\u9664\u4e86\u591a\u4f59\u7684 yaml \u6587\u4ef6，\u53ea\u7559\u4e0b\u4e86 50-cloud-init.yaml，\u4e0d\u8fc7\u8fd8\u662f\u4e0d\u884c，\u4f46\u8fd9\u4e2a\u66f4\u6539\u8fd8\u662f\u505a\u4e86\u5427，\u6bd5\u7adf\u548c\u4ee5\u524d\u6b63\u5e38\u72b6\u6001\u4e0b\u7684\u4fdd\u6301\u4e00\u81f4\u4e00\u822c\u6ca1\u9519；<\/li>\n
  • \u8bbe\u7f6e\u9ed8\u8ba4\u7f51\u5173，\u4e3b\u8981\u662f\u7b14\u8005\u5728\u5f53\u524d\u9636\u6bb5\u6267\u884c ifconfig \u8fde eth0 \u90fd\u6ca1\u6709，\u6240\u4ee5\u6267\u884c route add default gw \u81ea\u7136\u5931\u8d25，\u4f46\u8fd9\u6700\u540e\u52a9\u653b\u4e86\u4e00\u624b\u3002<\/li>\n

    (\u4e09）\u4ece ifconfig \u6267\u884c<\/h4>\n

    \u65e2\u7136\u6ca1\u6709 eth0，\u90a3\u5c31\u6267\u884c ipconfig eth0 up\u3002\u542f\u52a8 eth0 \u7f51\u5361\u540e，\u518d\u6b21\u6267\u884c ifconfig，\u6709 eth0 \u4e86，\u4f46\u662f\u6ca1\u6709 inet，\u663e\u793a\u5982\u4e0b\u3002<\/p>\n

    root@Universe:~# ifconfig
    \neth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
    \n inet6 XXXX:XXXX:XXXX:XXXX:XXXX prefixlen 64 scopeid 0x20<link>
    \n ether 00:16:3e:0c:12:69 txqueuelen 1000 (Ethernet)
    \n RX packets 1759 bytes 194870 (194.8 KB)
    \n RX errors 0 dropped 0 overruns 0 frame 0
    \n TX packets 1826 bytes 1352244 (1.3 MB)
    \n TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0<\/p>\n

    lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
    \n inet 127.0.0.1 netmask 255.0.0.0
    \n inet6 ::1 prefixlen 128 scopeid 0x10<host>
    \n loop txqueuelen 1000 (Local Loopback)
    \n RX packets 332540 bytes 27292720 (27.2 MB)
    \n RX errors 0 dropped 0 overruns 0 frame 0
    \n TX packets 332540 bytes 27292720 (27.2 MB)
    \n TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0<\/p>\n

    \u4e8e\u662f，\u6839\u636e\u4e4b\u524d\u7684\u5730\u5740，\u6267\u884c\u4e86 ifconfig eth0 XXX.XXX.XXX.XXX netmask XXX.XXX.XXX.XXX\u3002\u518d\u6b21\u6267\u884c ifconfig，\u53d1\u73b0\u9664\u4e86 RX \u548c TX \u4e4b\u5916，\u6545\u969c\u72b6\u6001\u4e0b\u548c\u6b63\u5e38\u8054\u7f51\u72b6\u6001\u4e0b\u7684\u8f93\u51fa\u6ca1\u6709\u4ec0\u4e48\u4e0d\u540c\u3002\u611f\u89c9 eth0 \u8f6c\u53d1\u7684\u6570\u636e\u5e94\u8be5\u8981\u6bd4 lo \u7684\u591a\u5f97\u591a，\u800c\u6545\u969c\u72b6\u6001\u4e0b\u7684\u670d\u52a1\u5668\u5e76\u975e\u5982\u6b64，\u4e8e\u662f\u5c1d\u8bd5\u5728\u8c37\u6b4c\u548c\u767e\u5ea6\u4e0a\u641c\u7d22\u8fd9\u4e2a\u95ee\u9898，\u6ca1\u641c\u7d22\u5230\u7ed3\u679c，\u53ef\u80fd\u662f\u8868\u8fbe\u95ee\u9898\u3002\u6700\u540e，\u60f3\u4e86\u60f3，\u5e94\u8be5\u662f\u8981\u628a\u9ed8\u8ba4\u7f51\u5361\u5207\u4e3a eth0，\u4f9d\u7167\u6b64\u601d\u8def\u6267\u884c\u4e86 route add default gw XXX.XXX.XXX.XXX eth0（\u8fd9\u91cc\u7684 XXX.XXX.XXX.XXX \u5bf9\u5e94\u4e0a\u6587 gateway \u4e0b\u9762\u7684\u5730\u5740）\u3002\u5ffd\u7136，\u4e00\u5207\u95ee\u9898\u5f97\u5230\u4e86\u89e3\u51b3\u3002<\/p>\n

    \u89e3\u51b3\u65b9\u6848<\/h2>\n

    \u6267\u884c ifconfig eth0 up \u628a\u7f51\u5173\u542f\u7528\u56de\u6765，\u7136\u540e\u6267\u884c ifconfig eth0 XXX.XXX.XXX.XXX netmask XXX.XXX.XXX.XXX \u628a\u7f51\u5361 eth0 \u52a0\u56de\u6765，\u6700\u540e\u7528 route add default gw XXX.XXX.XXX.XXX eth0 \u8bbe\u7f6e\u9ed8\u8ba4\u7f51\u5173，\u7ed3\u675f\u3002<\/p>\n

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