1.基础命令2.网络2.1. 网络常用命令systemctl status NetworkManger查看网络状态/etc/NetworkManager/system-connections/ens33.nmconnection网卡信息[rootnode4 system-connections]# more ens33.nmconnection[connection]idens33uuid17bffda1-724b-3cbb-b2a2-40111ece5cd8typeethernetautoconnect-priority-999interface-nameens33[ethernet]cloned-mac-addressstable[ipv4]address1192.168.6.140/24dns8.8.8.8;114.114.114.114;gateway192.168.6.2may-failfalsemethodmanual[ipv6]addr-gen-modeeui64methodauto[proxy]systemctl list-units --type service列出所有启动的服务systemctl list-units --type service --all #列出所有服务ip a查看ipnmcli device statusstatus查看网络设备状态信息disconnect ens33 禁用ens33设备connect ens33 启用ens33设备nmcli connection up ens33up 启用网络连接down 关闭网络连接delete 删除网络连接删除后需要重启网卡设备2.2.网络配置配置静态ip