Linux网络管理(第十二章)
其他
2018-06-03 23:20:00
阅读次数: 2
红帽7使用NetworkManager
红帽6使用network
红帽7的网卡命名规则
en 以太网
wl 无线网
ww 宽缆
o 主板内嵌
s 后插的网卡
p USB网卡
红帽7系统的网卡配置统一采用nmcli系列命令
配置文件在/etc/sysconfig/network-scripts/目录
查看IP的几种方法
IP addr show
ifconfig
nmcli connection show eno16777736
实验-禁用网卡的命名规则
vim /etc/sysconfig/grub
GRUB_CMDLINE_LINUX="vconsole.keymap=us crashkernel=auto vconsole.font=latarcyrheb-sun16 rhgb quiet net.ifnames=0 biosdevname=0" 行尾的引号里面添加net.ifnames=0 biosdevname=0
grub2-mkconfig -o /boot/grub2/grub.cfg
重启后系统将不采用网卡命名规则
实验-临时修改IP
ifconfig eno16777736 192.168.100.1/24 #临时修改IP
ifconfig #查看IP
nmcli connection down eno16777736 ; nmcli connection up eno16777736 #down和up
ifconfig #临时的IP将失效
实验-修改网络参数
nmcli connection modify eno16777736 ipv4.method manual ipv4.addresses "192.168.100.1/24 192.168.100.1" ipv4.dns 192.168.100.1 connection.autoconnect yes
#配置IP
nmcli connection modify eno16777736 +ipv4.addresses "10.0.0.1/8 10.0.0.1" ipv4.dns 10.0.0.1 connection.autoconnect yes
#给这个网卡配置两个IP
nmcli connection down eno16777736 ; nmcli connection up eno16777736
ip addr show
实验-添加ipv6地址
nmcli connection modify eno16777736 ipv6.method manual ipv6.addresses '2001::1/64 2001::1' ipv6.dns 2001::1 connection.autoconnect yes #添加ipv6地址
nmcli connection down eno16777736 ;nmcli connection up eno16777736
ifconfig
实验-多配置文件管理网卡
nmcli connection modify eno16777736 ipv4.method manual ipv4.addresses "192.168.100.1/24 192.168.100.1" ipv4.dns 192.168.100.1 connection.autoconnect yes
nmcli connection down eno16777736
nmcli connection up neweno16777736
ifconfig
实验-但配置文件增加网络信息
vim /etc/sysconfig/network-scripts/ifcfg-eno16777736
IPADDR1=192.168.100.1
PREFIX1=24
GATEWAY1=192.168.100.1
DNS2=192.168.100.1
systemctl restart NetworkManager
ip addr show
实验-新增网卡
新增加一块网卡
nmcli device show #发现新增了一块网卡
nmcli connection add type ethernet enoxxxxxxx ifname enoxxxxxx
nmcli connection modify enoxxxxxxx ipv4.method manual ipv4.address "192.168.100.1/24 192.168.100.1" ipv4.dns 192.168.100.1 connection.autoconnect yes
systemctl restart NetworkManager
ifconfig
转载自blog.csdn.net/hankunfa/article/details/80503960