linux配置网卡 ip1 uuidgen 生成网卡配置uuid(如需要)5e8da9ed-6e83-4dad-9a4e-3110b57c6d50如果没有就cp一个vi/etc/sysconfig/network-scripts/ifcfg-em1敲入ip和网卡TYPEEthernet PROXY_METHODnone BROWSER_ONLYno BOOTPROTOnone DEFROUTEyes IPV4_FAILURE_FATALno IPV6INITyes IPV6_AUTOCONFyes IPV6_DEFROUTEyes IPV6_FAILURE_FATALno IPV6_ADDR_GEN_MODEstable-privacy NAMEem1 UUID5e8da9ed-6e83-4dad-9a4e-3110b57c6d50 DEVICEem1# ONBOOTno 默认开机不会自动激活这个网卡配置重启后大概率没有 IP网卡不会起来 无法远程ssh连接ONBOOTyes IPADDR10.23.6.1(ip)PREFIX22 GATEWAY10.23.4.1(网关)重新生效(麒麟系统)sudo nmcli connection reload sudo nmcli connection up em1ipaddr 出现10.23.6.1/22 代表前缀生效nmcli connection show--active NAME UUIDTYPEDEVICE enp175s0f0 e0acbdde-c1b3-45a9-81e8-f2105074666f ethernet enp175s0f0 virbr0 29142e77-364a-4a9e-8834-d63360961632 bridge virbr0 看网卡配置 cd/etc/sysconfig/network-scriptscatifcfg-enp175s0f0#(上面命令的enp175s0f0)#改文件里的开机自启标记sed-is/ONBOOTno/ONBOOTyes//etc/sysconfig/network-scripts/ifcfg-enp175s0f0#让 NM 读取新配置nmcli connection reload#手动拉起连接当前立刻生效nmcli connection up enp175s0f0