{"id":355,"date":"2023-11-26T21:19:17","date_gmt":"2023-11-26T13:19:17","guid":{"rendered":"http:\/\/8.141.4.74\/?p=355"},"modified":"2024-03-28T13:42:31","modified_gmt":"2024-03-28T05:42:31","slug":"linux%e9%85%8d%e7%bd%ae%e7%bd%91%e7%bb%9c","status":"publish","type":"post","link":"http:\/\/8.141.4.74\/?p=355","title":{"rendered":"Linux\u914d\u7f6e\u7f51\u7edc"},"content":{"rendered":"<h1>Linux\u914d\u7f6e\u7f51\u7edc<\/h1>\n<h2>1.Centos\u914d\u7f6e\u7f51\u7edc<\/h2>\n<pre><code class=\"language-bash\">[root@centos8 ~]#vi \/etc\/sysconfig\/network-scripts\/ifcfg-ens160\nTYPE=Ethernet\nPROXY_METHOD=none\nBROWSER_ONLY=no\nBOOTPROTO=static\nDEFROUTE=yes\nIPV4_FAILURE_FATAL=no\nIPV6INIT=yes\nIPV6_AUTOCONF=yes\nIPV6_DEFROUTE=yes\nIPV6_FAILURE_FATAL=no\nNAME=ens160\nUUID=ed245c0e-01ab-4d8e-871f-cf52ac79347f\nDEVICE=ens160\nONBOOT=yes\nIPADDR=10.0.0.10\nGATEWAY=10.0.0.2\nNETMASK=255.255.255.0\nDNS1=114.114.114.114\n\n\u5173\u4e8e\u7f51\u5361\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u5404\u4e2a\u53c2\u6570\u7684\u542b\u4e49\u5982\u4e0b\uff1a\nTYPE\uff1a\u7f51\u5361\u7c7b\u578b\u3002\nPROXY_METHOD\uff1a\u4ee3\u7406\u65b9\u6cd5\u3002\nBROWSER_ONLY\uff1a\u662f\u5426\u4ec5\u7528\u4e8e\u6d4f\u89c8\u5668\u3002\nBOOTPROTO\uff1a\u7f51\u5361\u7684 IP \u5730\u5740\u83b7\u53d6\u65b9\u5f0f\u3002static \u8868\u793a\u624b\u52a8\u914d\u7f6e\uff0c\u800c dhcp \u8868\u793a\u4f7f\u7528 DHCP \u534f\u8bae\u81ea\u52a8\u83b7\u53d6\u3002\nDEFROUTE\uff1a\u662f\u5426\u5c06\u6b64\u7f51\u5361\u8bbe\u4e3a\u9ed8\u8ba4\u8def\u7531\u3002\nIPV4_FAILURE_FATAL\uff1aIPv4 \u8fde\u63a5\u5931\u8d25\u662f\u5426\u89c6\u4e3a\u81f4\u547d\u9519\u8bef\u3002\nIPV6INIT\uff1a\u662f\u5426\u521d\u59cb\u5316 IPv6\u3002\nIPV6_AUTOCONF\uff1a\u662f\u5426\u4f7f\u7528\u81ea\u52a8\u914d\u7f6e\u83b7\u53d6 IPv6 \u5730\u5740\u3002\nIPV6_DEFROUTE\uff1a\u662f\u5426\u5c06\u6b64\u7f51\u5361\u8bbe\u4e3a\u9ed8\u8ba4 IPv6 \u8def\u7531\u3002\nIPV6_FAILURE_FATAL\uff1aIPv6 \u8fde\u63a5\u5931\u8d25\u662f\u5426\u89c6\u4e3a\u81f4\u547d\u9519\u8bef\u3002\nNAME\uff1a\u7f51\u5361\u540d\u79f0\u3002\nUUID\uff1a\u7f51\u5361\u7684\u552f\u4e00\u6807\u8bc6\u7b26\u3002\nDEVICE\uff1a\u7f51\u5361\u8bbe\u5907\u540d\u79f0\u3002\nONBOOT\uff1a\u662f\u5426\u5728\u542f\u52a8\u65f6\u542f\u7528\u6b64\u7f51\u5361\u3002\nIPADDR\uff1a\u9759\u6001 IP \u5730\u5740\u3002\nGATEWAY\uff1a\u9ed8\u8ba4\u7f51\u5173\u3002\nNETMASK\uff1a\u5b50\u7f51\u63a9\u7801\u3002\nDNS1\uff1a\u9996\u9009 DNS \u670d\u52a1\u5668\u3002\n\n#\u91cd\u65b0\u52a0\u8f7d\u914d\u7f6e\u6587\u4ef6\n#\u4f7f\u7528nmcli\u67e5\u770b\u7f51\u7edc\u8fde\u63a5\uff0c\u8fd9\u4e2a\u547d\u4ee4\u4f1a\u663e\u793a\u7cfb\u7edf\u4e2d\u6240\u6709\u7684\u7f51\u7edc\u8fde\u63a5\uff0c\u5305\u62ec\u6d3b\u52a8\u7684\u548c\u975e\u6d3b\u52a8\u7684\u8fde\u63a5\n[root@centos8 network-scripts]#nmcli connection show\nNAME                UUID                                  TYPE      DEVICE\neth0                5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03  ethernet  eth0\nWired connection 1  bd3d361f-bd4d-3778-ad0b-2a5a957bfcc4  ethernet  eth1\n[root@centos8 network-scripts]\n\n#\u91cd\u65b0\u52a0\u8f7d\u7f51\u5361\u914d\u7f6e\u6587\u4ef6\n[root@centos8 network-scripts]#nmcli connection reload\n[root@centos8 network-scripts]#nmcli connection\nNAME                UUID                                  TYPE      DEVICE\neth0                5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03  ethernet  eth0\nWired connection 1  bd3d361f-bd4d-3778-ad0b-2a5a957bfcc4  ethernet  eth1\neth1                9c92fad9-6ecb-3e6c-eb4d-8a47c6f50c04  ethernet  --\n[root@centos8 network-scripts]#\n\n#\u6fc0\u6d3b\u8fde\u63a5\n[root@centos8 network-scripts]#nmcli connection up eth1\nConnection successfully activated (D-Bus active path: \/org\/freedesktop\/NetworkManager\/ActiveConnection\/8)\n[root@centos8 network-scripts]#\n\n#\u4f7f\u7528ifdown\u548cifup\u547d\u4ee4\n[root@centos8 ~]#ifdown ens160 \n[root@centos8 ~]#ifup ens160 \nConnection successfully activated (D-Bus active path: \/org\/freedesktop\/NetworkManager\/ActiveConnection\/4)<\/code><\/pre>\n<h2>2.Ubuntu\u914d\u7f6e\u7f51\u7edc<\/h2>\n<h3>2.1 Ubuntu 16\u914d\u7f6e\u7f51\u7edc<\/h3>\n<pre><code class=\"language-bash\">#Ubuntu 16.04 \u548c Ubuntu 18.04\/20.04\/22.04 \u5728\u914d\u7f6e\u7f51\u7edc\u7684\u65b9\u5f0f\u4e0a\u6709\u6240\u4e0d\u540c\u3002Ubuntu 16.04 \u4f7f\u7528\u4e86\u4e00\u4e2a\u540d\u4e3a ifupdown \u7684\u4f20\u7edf\u5de5\u5177\uff0c\u901a\u8fc7 \/etc\/network\/interfaces \u6587\u4ef6\u6765\u914d\u7f6e\u7f51\u7edc\u63a5\u53e3\u3002\u800c\u5728 Ubuntu 18.04 \u53ca\u66f4\u9ad8\u7248\u672c\u4e2d\uff0c\u9ed8\u8ba4\u4f7f\u7528\u4e86 Netplan \u6765\u8fdb\u884c\u7f51\u7edc\u914d\u7f6e\u3002\n#[root@ubuntu1604 ~]#vim \/etc\/network\/interfaces\n# \/etc\/network\/interfaces\n\n# The loopback network interface\nauto lo\niface lo inet loopback\n\n# The primary network interface\nauto eth0\niface eth0 inet static\n    address 10.0.0.101\n    netmask 255.255.255.0\n    gateway 10.0.0.2\n    dns-nameservers 114.114.114.114\n#\u867d\u7136 Ubuntu 16.04 \u9ed8\u8ba4\u4f7f\u7528 ifupdown\uff0c\u4f46\u60a8\u4ecd\u7136\u53ef\u4ee5\u624b\u52a8\u5b89\u88c5\u5e76\u4f7f\u7528 Netplan\u3002\u5982\u679c\u60a8\u5e0c\u671b\u5728 Ubuntu 16.04 \u4e2d\u4f7f\u7528 Netplan\uff0c\u60a8\u9700\u8981\u5148\u5b89\u88c5\u5b83\uff0c\u7136\u540e\u50cf\u5728 Ubuntu 18.04 \u53ca\u66f4\u9ad8\u7248\u672c\u4e2d\u4e00\u6837\u4f7f\u7528 YAML \u6587\u4ef6\u8fdb\u884c\u7f51\u7edc\u914d\u7f6e\u3002\n\n#\u505c\u6b62eth0\u63a5\u53e3\n[root@ubuntu1604 ~]#sudo ifdown eth0\n\n#\u91cd\u65b0\u542f\u52a8eth0\u63a5\u53e3\n[root@ubuntu1604 ~]#sudo ifup eth0\n\n#\u8fd8\u53ef\u4ee5\u901a\u8fc7\u91cd\u65b0\u542f\u52a8\u6574\u4e2a\u7f51\u7edc\u670d\u52a1\u6765\u5e94\u7528\u66f4\u6539\uff0c\u4f46\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6240\u6709\u7f51\u7edc\u8fde\u63a5\u6682\u65f6\u4e2d\u65ad\u3002\u8981\u91cd\u65b0\u542f\u52a8\u7f51\u7edc\u670d\u52a1\uff0c\u8bf7\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a\n[root@ubuntu1604 ~]sudo systemctl restart networking<\/code><\/pre>\n<h3>2.2 Ubunt18\u300120\u300122\u914d\u7f6e\u7f51\u7edc<\/h3>\n<p>Netplan \u662f\u4e00\u4e2a\u7528\u4e8e\u914d\u7f6e\u7f51\u7edc\u8fde\u63a5\u7684\u5b9e\u7528\u5de5\u5177\uff0c\u5b83\u662f Ubuntu 17.10 \u53ca\u66f4\u9ad8\u7248\u672c\u7684\u9ed8\u8ba4\u7f51\u7edc\u914d\u7f6e\u5de5\u5177\u3002Netplan \u4f7f\u7528 YAML \u63cf\u8ff0\u7f51\u7edc\u914d\u7f6e\uff0c\u5e76\u4f7f\u7528 NetworkManager \u6216 Systemd-networkd \u6765\u5e94\u7528\u8fd9\u4e9b\u914d\u7f6e\u3002<\/p>\n<pre><code class=\"language-bash\">#\u8fdb\u5165\/etc\/netplan\u76ee\u5f55\n[root@ubuntu1804 netplan]#pwd\n\/etc\/netplan\n[root@ubuntu1804 netplan]#\n\n#\u627e\u5230\u6216\u521b\u5efa\u4e00\u4e2a\u540e\u7f00\u540d\u4ee5.yaml\u7ed3\u5c3e\u7684\u6587\u4ef6\uff0c\u5982\u679c\u540e\u7f00\u540d\u4e0d\u662f.yaml\u7ed3\u5c3e\u7684\u4e0d\u8d77\u4f5c\u7528,\u5e76\u4e14yaml\u6587\u4ef6\u4e2d\u5bf9\u7f29\u8fdb\u6709\u4e25\u683c\u8981\u6c42\uff0c\u4e00\u822c\u540c\u4e00\u7ea7\u522b\u662f\u7f29\u8fdb\u4e24\u4e2a\u7a7a\u683c\n[root@ubuntu1804 netplan]#vim eth0.yaml\n# This file describes the network interfaces available on your system\n# For more information, see netplan(5).\n#\u65b9\u6cd5\u4e00\uff1a\nnetwork:\n  version: 2\n  renderer: networkd\n  ethernets:\n    eth0:\n      dhcp4: false  #\u5982\u679c\u662f\u9759\u6001\u7684\u8bdd\uff0c\u53ef\u4ee5\u5c06\u8fd9\u4e00\u884c\u5220\u6389\n      addresses: [10.0.0.101\/24,10.0.0.103\/24]  #\u5192\u53f7\u540e\u9762\u4e00\u5b9a\u8981\u6709\u7a7a\u683c\uff0c\u53ef\u4ee5\u914d\u591a\u4e2a\u5730\u5740\n      - 10.0.0.102\/24\n      gateway4: 10.0.0.2\n      nameservers:\n          search: [baidu.com,xingyuyu.com] #ping www \u4f1a\u81ea\u52a8\u8865\u5168\u57df\u540d\uff0c\u53ef\u4ee5\u901a\u8fc7\/etc\/resolv.conf\u67e5\u770b\u57df\u540d\n          addresses: [114.114.114.114]\n    eth1:\n      dhcp4: false\n      addresses: [10.0.0.100\/24]\n      gateway4: 10.0.0.2\n      routes:\n      - to: 10.20.0.0\/16\n        via: 10.0.0.222\n  bridges: #\u8fd9\u4e2a\u662f\u52a0\u7f51\u6865\uff0c\u548cethernets\u5e73\u7ea7,\u4e5f\u53ef\u4ee5\u7ed9\u6865\u63a5\u5355\u72ec\u914d\u7f6e\u4e00\u4e2a\u6587\u4ef6\n    br0:\n      dhcp4: no\n      dhcp6: no\n      addresses: [10.0.0.101\/24]\n      gateway4: 10.0.0.2\n      nameservers:\n        addresses: [114.114.114.114,8.8.8.8,10.0.0.2]\n      interfaces:\n      - eth0\n      - eth1\n\n#\u65b9\u6cd5\u4e8c\uff1a\nnetwork:\n  version: 2\n  renderer: networkd\n  ethernets:\n    eth0:\n      dhcp4: false  #\u5982\u679c\u662f\u9759\u6001\u7684\u8bdd\uff0c\u53ef\u4ee5\u5c06\u8fd9\u4e00\u884c\u5220\u6389\n      addresses:\n      - 10.0.0.102\/24   #\u53ef\u4ee5\u7f29\u8fdb\u4e5f\u53ef\u4ee5\u4e0d\u7f29\u8fdb\uff0c\u6a2a\u7ebf\u540e\u9762\u8981\u6709\u7a7a\u683c\n      - 10.0.0.103\/24\n      gateway4: 10.0.0.2\n      nameservers:\n          addresses: [114.114.114.114]\n[root@ubuntu1804 netplan]#\n#\u4ee5\u4e0b\u662f\u914d\u7f6e\u6587\u4ef6\u4e2d\u5404\u4e2a\u90e8\u5206\u7684\u7b80\u8981\u89e3\u91ca\uff1a\n#network: \u8fd9\u662f\u6587\u4ef6\u7684\u6839\u5143\u7d20\uff0c\u8868\u793a\u6211\u4eec\u6b63\u5728\u5b9a\u4e49\u4e00\u4e2a\u7f51\u7edc\u914d\u7f6e\u3002\n#version: \u8868\u793a YAML \u6587\u4ef6\u4e2d\u4f7f\u7528\u7684 Netplan \u7248\u672c\uff0c\u5f53\u524d\u8bbe\u7f6e\u4e3a 2\u3002\n#renderer: \u6307\u5b9a\u5e94\u7528\u7f51\u7edc\u914d\u7f6e\u7684\u540e\u7aef\uff0c\u53ef\u4ee5\u662f NetworkManager \u6216 networkd\u3002\u8fd9\u91cc\u9009\u62e9\u4e86 networkd \u4f5c\u4e3a\u540e\u7aef\u3002\n#ethernets: \u8fd9\u662f\u4e00\u4e2a\u5b50\u5143\u7d20\uff0c\u8868\u793a\u6211\u4eec\u5c06\u914d\u7f6e\u4ee5\u592a\u7f51\u63a5\u53e3\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u5b9a\u4e49\u4e00\u4e2a\u540d\u4e3a eth0 \u7684\u4ee5\u592a\u7f51\u63a5\u53e3\u3002\n#eth0: \u8fd9\u662f\u6211\u4eec\u8981\u914d\u7f6e\u7684\u4ee5\u592a\u7f51\u63a5\u53e3\u7684\u540d\u79f0\u3002\n#dhcp4: \u8bbe\u7f6e\u4e3a false\uff0c\u8868\u793a\u6211\u4eec\u5c06\u4f7f\u7528\u9759\u6001 IP \u5730\u5740\u914d\u7f6e\u800c\u975e DHCP\u3002\n#addresses: \u5305\u542b\u4e00\u4e2a\u9759\u6001 IP \u5730\u5740\uff0810.0.0.101\uff09\u548c\u76f8\u5e94\u7684\u5b50\u7f51\u63a9\u7801\uff08\/24\uff09\u3002\n#gateway4: \u6307\u5b9a\u9ed8\u8ba4\u7f51\u5173\u7684 IPv4 \u5730\u5740\uff0810.0.0.2\uff09\u3002\n#nameservers: \u914d\u7f6e DNS \u670d\u52a1\u5668\u3002\n#addresses: \u5305\u542b\u4e00\u4e2a DNS \u670d\u52a1\u5668\u5730\u5740\uff08114.114.114.114\uff09\u3002\n\n#\u914d\u7f6e\u6587\u4ef6\u751f\u6548\n[root@ubuntu1804 netplan]#sudo netplan apply\n\n#\u67e5\u770bdns\uff0c\u5728\/etc\/resolv.conf\u6587\u4ef6\u5df2\u7ecf\u65e0\u6cd5\u770b\u5230\u4e86\n[root@ubuntu1804 netplan]#systemd-resolve --status\nGlobal\n          DNSSEC NTA: 10.in-addr.arpa\n                      16.172.in-addr.arpa\n                      168.192.in-addr.arpa\n                      17.172.in-addr.arpa\n                      18.172.in-addr.arpa\n                      19.172.in-addr.arpa\n                      20.172.in-addr.arpa\n                      21.172.in-addr.arpa\n                      22.172.in-addr.arpa\n                      23.172.in-addr.arpa\n                      24.172.in-addr.arpa\n                      25.172.in-addr.arpa\n                      26.172.in-addr.arpa\n                      27.172.in-addr.arpa\n                      28.172.in-addr.arpa\n                      29.172.in-addr.arpa\n                      30.172.in-addr.arpa\n                      31.172.in-addr.arpa\n                      corp\n                      d.f.ip6.arpa\n                      home\n                      internal\n                      intranet\n                      lan\n                      local\n                      private\n                      test\n\nLink 2 (eth0)\n      Current Scopes: DNS\n       LLMNR setting: yes\nMulticastDNS setting: no\n      DNSSEC setting: no\n    DNSSEC supported: no\n         DNS Servers: 114.114.114.114   #DNS\n[root@ubuntu1804 netplan]#\n<\/code><\/pre>\n<h2>3.Ubuntu\u4f7f\u7528Root\u8fde\u63a5<\/h2>\n<pre><code class=\"language-bash\">#\u7f16\u8f91\u914d\u7f6e\u6587\u4ef6,\u5927\u7ea6\u572832\u884c\u9644\u8fd1\u627e\u5230 #PermitRootLogin prohibit-password\u5728\u4e0b\u9762\u6dfb\u52a0\u4e00\u884c\uff0c\u6539\u6210yes\n[root@ubuntu1804 netplan]$vim \/etc\/ssh\/sshd_config\nPermitRootLogin yes\n\n#\u521a\u88c5\u597d\u7684ubuntu\u7684root\u662f\u6ca1\u6709\u5bc6\u7801\u7684\n#\u5207\u6362root\u7528\u6237\n[root@ubuntu1804 netplan]$sudo -i\n#\u8bbe\u7f6eroot\u5bc6\u7801\n[root@ubuntu1804 netplan]$passwd \u6216\u8005echo &quot;root:root&quot; | chpasswd\n\n#\u91cd\u542fssh\u670d\u52a1\n[root@ubuntu1804 netplan]$sudo systemctl restart sshd<\/code><\/pre>\n<h2>4.Rocky Linux<\/h2>\n<pre><code class=\"language-bash\"># \u914d\u7f6e\u7f51\u7edc\n# Rocky Linux \u6539\u53d8\u4e86\u4f20\u7edf\u7684\u7f51\u7edc\u914d\u7f6e\uff0c\u5728\/etc\/sysconfig\/network-scripts\/\u4e0b\u5df2\u7ecf\u6ca1\u6709\u914d\u7f6e\u6587\u4ef6\u4e86\uff0c\u65b0\u7684\u914d\u7f6e\u6587\u4ef6\u751f\u6210\u5728\u4e86\/etc\/NetworkManager\/system-connections\/\u76ee\u5f55\u4e0b\uff0c\u4f46\u662f\u5728\u4e4b\u524d\u7684\u76ee\u5f55\u4e0b\u521b\u5efa\u914d\u7f6e\u6587\u4ef6\u4e5f\u662f\u53ef\u4ee5\u7684\n\n# \u4f7f\u7528nmcli\u6dfb\u52a0\u65b0\u7684\u4ee5\u592a\u7f51\u8fde\u63a5\n[root@Rocky9 system-connections]# nmcli connection add type ethernet con-name eth0\n# \u4fee\u6539\u5df2\u5b58\u5728\u7684\u8fde\u63a5\u8bbe\u7f6e\n[root@Rocky9 system-connections]# nmcli connection modify eth0 ipv4.addresses &quot;10.0.0.107\/24&quot; ipv4.gateway &quot;10.0.0.2&quot; ipv4.dns &quot;10.0.0.2&quot; ipv4.method manual\n# \u542f\u52a8\/\u505c\u6b62\u8fde\u63a5\n[root@Rocky9 system-connections]# nmcli connection up eth0\n[root@Rocky9 system-connections]# nmcli connection down eth0\n[root@Rocky9 system-connections]#\n\n#\u4f7f\u7528 nmtui \u914d\u7f6e\u7f51\u7edc:\n\u8fd0\u884c nmtui \u547d\u4ee4\uff0c\u8fd9\u5c06\u6253\u5f00\u4e00\u4e2a\u5b57\u7b26\u754c\u9762\u7684\u7f51\u7edc\u914d\u7f6e\u5de5\u5177\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u952e\u76d8\u4e0a\u4e0b\u5de6\u53f3\u952e\u6765\u9009\u62e9\u548c\u4fee\u6539\u7f51\u7edc\u914d\u7f6e\u3002\n\u5982\u679c\u4f60\u786e\u5b9e\u9700\u8981\u4f7f\u7528 \/etc\/sysconfig\/network-scripts\/ \u76ee\u5f55\u5e76\u5e0c\u671b\u5728\u90a3\u91cc\u770b\u5230 ifcfg- \u6587\u4ef6\uff0c\u4f60\u53ef\u4ee5\u624b\u52a8\u521b\u5efa\u6587\u4ef6\uff0c\u6216\u8005\u4f7f\u7528 network-scripts \u5305\uff08\u5982\u679c\u53ef\u7528\uff09\u5e76\u7981\u7528 NetworkManager\u3002<\/code><\/pre>\n<h3>Rocky linux8.5\u591a\u4e86\u4e00\u4e2avirbr0\u7684\u7f51\u5361<\/h3>\n<blockquote>\n<p><code>virbr0<\/code> \u662f\u7531 libvirt \u521b\u5efa\u7684\u865a\u62df\u7f51\u7edc\u6865\uff0c\u901a\u5e38\u7528\u4e8e\u652f\u6301 KVM\/QEMU \u865a\u62df\u673a\u3002\u8fd9\u4e2a\u7f51\u7edc\u6865\u4f7f\u5f97\u865a\u62df\u673a\u53ef\u4ee5\u4e0e\u5916\u90e8\u7f51\u7edc\u901a\u4fe1\u3002\u5f53\u4f60\u5b89\u88c5\u5e76\u542f\u52a8 libvirt \u5b88\u62a4\u7a0b\u5e8f\u6216\u76f8\u5173\u7684\u5de5\u5177\uff08\u5982 <code>virt-manager<\/code>\uff09\u65f6\uff0c<code>virbr0<\/code> \u901a\u5e38\u4f1a\u81ea\u52a8\u521b\u5efa\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5b83\u914d\u7f6e\u4e3a\u4e00\u4e2a NAT \u6a21\u5f0f\u7684\u6865\u63a5\u5668\uff0c\u8fd9\u5141\u8bb8\u865a\u62df\u673a\u4e0e\u4e3b\u673a\u5171\u4eab IP \u5730\u5740\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1\u3002<\/p>\n<\/blockquote>\n<pre><code class=\"language-bash\"># \u505c\u7528\u548c\u5220\u9664\u865a\u62df\u7f51\u7edc\uff1a\nvirsh net-destroy default\nvirsh net-undefine default\n# \u4e0a\u8ff0\u547d\u4ee4\u9996\u5148\u4f1a\u505c\u7528\u540d\u4e3a default \u7684\u865a\u62df\u7f51\u7edc\uff0c\u7136\u540e\u4ece libvirt \u914d\u7f6e\u4e2d\u5220\u9664\u5b83\u3002\n\n# 2.\u7981\u7528 libvirt \u5b88\u62a4\u7a0b\u5e8f\uff1a\nsystemctl stop libvirtd-admin.socket\nsystemctl stop libvirtd.socket\nsystemctl stop libvirtd-ro.socket\nsystemctl stop libvirtd\nsystemctl disable libvirtd\n\n# \u5220\u9664\u76f8\u5173\u7684\u8f6f\u4ef6\u5305\uff1a\n# \u5982\u679c\u4f60\u786e\u4fe1\u4f60\u4e0d\u518d\u9700\u8981\u865a\u62df\u5316\u652f\u6301\uff0c\u53ef\u4ee5\u4f7f\u7528\u5305\u7ba1\u7406\u5668\u5220\u9664\u76f8\u5173\u7684\u8f6f\u4ef6\u5305\u3002\nyum remove libvirt qemu-kvm<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Linux\u914d\u7f6e\u7f51\u7edc 1.Centos\u914d\u7f6e\u7f51\u7edc [root@centos8 ~]#vi \/etc\/sy [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,43],"tags":[44],"views":317,"_links":{"self":[{"href":"http:\/\/8.141.4.74\/index.php?rest_route=\/wp\/v2\/posts\/355"}],"collection":[{"href":"http:\/\/8.141.4.74\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/8.141.4.74\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/8.141.4.74\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/8.141.4.74\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=355"}],"version-history":[{"count":1,"href":"http:\/\/8.141.4.74\/index.php?rest_route=\/wp\/v2\/posts\/355\/revisions"}],"predecessor-version":[{"id":356,"href":"http:\/\/8.141.4.74\/index.php?rest_route=\/wp\/v2\/posts\/355\/revisions\/356"}],"wp:attachment":[{"href":"http:\/\/8.141.4.74\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=355"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/8.141.4.74\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=355"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/8.141.4.74\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=355"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}