Linux虚拟机添加网卡
方法一:
# nmcli connection add type ethernet ifname eth1 con-name eth1 //添加网卡
#ifdown eth1
#ifup eth0
#ifconfig eth1
#route -n //查看网关地址
备注:云上添加网卡,在购买ECS时可以添加多张虚拟网卡(eth1、eth2)
一, 配置网络(方法一)
1,查看网络连接
# nmcli connection show
# nmcli connetion show "连接名"
eg:
#nmcli con show "System eth0"
2,配置网络
# nmcli connetion modify "连接名" 参数1 值1 ... ...
#nmcli con mod "System eth0 " ipv4.method manual ipv4.addresses "172.25.0.11/24 172.25.0.254" ipv4.dns 8.8.8.8 connection.autoconnect yes
3,激活/禁用网络连接
#nmcli conection down "连接名"
#nmcli connection up "连接名"
4,为本机指定DNS服务器
#vim /etc/resolv.conf
nameserver 8.8.8.8
5,配置静态主机名
或者
# hostnamectl set-hostname mysql
二,配置网络(方法二)
- # cd /etc/sysconfig/network-scripts
- # cp ifcfg-eth0 ifcfg-eth1
- # vim ifcfg-eth1
- DEVICE="eth1"
- ONBOOT="yes"
- IPV6INIT="no"
- IPV4_FAILURE_FATAL="no"
- NM_CONTROLLED="no"
- TYPE="Ethernet"
- BOOTPROTO="static"
- IPADDR="192.168.2.1"
- PREFIX=24
- GATEWAY=192.168.1.254
- # systemctl restart network
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