修改hostname
vi /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6i
127.0.0.1 docker2
docker2为主机名
vi /etc/hostname
docker2
注意：这是修改配置文件的方式，可以用命令行的方式修改hostname
配置静态的ip
vi /etc/sysconfig/network-scripts/ifcfg-eno16777736
TYPE=Ethernet
#BOOTPROTO=dhcp
DEFROUTE=yes
PEERDNS=yes
PEERROUTES=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes
IPV6_FAILURE_FATAL=no
NAME=eno16777736
UUID=ca79f88e-e6ef-485f-93d9-671d4b49afaf
DEVICE=eno16777736
#ONBOOT=no
#static ip
NM_CONTROLLED=no
ONBOOT=yes
BOOTPROTO=static
HWADDR=00:0c:29:bf:c6:35
IPADDR=192.168.175.211
NETMASK=255.255.255.0
GATEWAY=192.168.175.2
DNS1=192.168.175.2
HWADDR为mac地址，可以不设置，如果要设置的话，可以先使用ip addr命令查看
- 重启服务
service network restart，或者重启主机reboot
修改网卡名称为eth0
cd /etc/sysconfig/network-scripts/- 修改文件名
mv ifcfg-eno16777736 ifcfg-eth0 - 将
ifcfg-eth0中的DEVICE=eno16777736修改为DEVICE=eth0，这一步很重要，否则重启服务service network restart会失败报错
ifcfg-eth0完整配置如下：
TYPE=Ethernet
#BOOTPROTO=dhcp
DEFROUTE=yes
PEERDNS=yes
PEERROUTES=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes
IPV6_FAILURE_FATAL=no
NAME=eno16777736
UUID=ca79f88e-e6ef-485f-93d9-671d4b49afaf
#DEVICE=eno16777736
#ONBOOT=no
#static ip
DEVICE=eth0
NM_CONTROLLED=no
ONBOOT=yes
BOOTPROTO=static
HWADDR=00:0c:29:bf:c6:35
IPADDR=192.168.175.211
NETMASK=255.255.255.0
GATEWAY=192.168.175.2
DNS1=192.168.175.2
-
vi /etc/sysconfig/grub或者vi /etc/default/grub
添加net.ifnames=0 biosdevname=0
生成启动菜单
grub2-mkconfig -o /boot/grub2/grub.cfg重启系统生效
reboot
在centos7中继续使用ifconfig命令
- 安装net-tools
[root@docker2 default]# yum list|grep net-tools
net-tools.x86_64 2.0-0.22.20131004git.el7 base
[root@docker2 default]# yum -y install net-tools
- 使用ifconfig命令
[root@docker2 default]# ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.175.211 netmask 255.255.255.0 broadcast 192.168.175.255
inet6 fe80::20c:29ff:febf:c635 prefixlen 64 scopeid 0x20<link>
ether 00:0c:29:bf:c6:35 txqueuelen 1000 (Ethernet)
RX packets 11686 bytes 12134729 (11.5 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 3906 bytes 300355 (293.3 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 0 (Local Loopback)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
