系统部署后：

    1. [root@rhel7 ~]# ip addr
    2. 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    3.     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    4.     inet 127.0.0.1/8 scope host lo
    5.        valid_lft forever preferred_lft forever
    6.     inet6 ::1/128 scope host
    7.        valid_lft forever preferred_lft forever
    8. 2: ens192: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    9.     link/ether 00:0c:29:aa:46:1d brd ff:ff:ff:ff:ff:ff
    10.     inet 192.168.31.137/24 brd 192.168.31.255 scope global noprefixroute ens192
    11.        valid_lft forever preferred_lft forever
    12.     inet6 fe80::320e:a836:3cd4:4f05/64 scope link noprefixroute
    13.        valid_lft forever preferred_lft forever
    1. [root@rhel7 ~]# vim /etc/default/grub
    2. GRUB_TIMEOUT=5
    3. GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)"
    4. GRUB_DEFAULT=saved
    5. GRUB_DISABLE_SUBMENU=true
    6. GRUB_TERMINAL_OUTPUT="console"
    7. GRUB_CMDLINE_LINUX="crashkernel=auto rd.lvm.lv=vg_root/lv_root rhgb quiet net.ifnames=0 biosdev
    8. name=0"
    9. GRUB_DISABLE_RECOVERY="true"
    10. ~                                                                                              
    11. ~                                                                                              
    12. [root@rhel7 ~]# grub2-mkconfig -o /boot/grub2/grub.cfg
    13. Generating grub configuration file ...
    14. Found linux image: /boot/vmlinuz-3.10.0-862.el7.x86_64
    15. Found initrd image: /boot/initramfs-3.10.0-862.el7.x86_64.img
    16. Found linux image: /boot/vmlinuz-0-rescue-ad77f1e2f42144faa99b516f45825fc2
    17. Found initrd image: /boot/initramfs-0-rescue-ad77f1e2f42144faa99b516f45825fc2.img
    18. done
    19. [root@rhel7 ~]# mv /etc/sysconfig/network-scripts/ifcfg-ens192 /etc/sysconfig/network-scripts/ifcfg-eth0
    21. [root@rhel7 ~]# vim /etc/sysconfig/network-scripts/ifcfg-eth0
    22. TYPE=Ethernet
    23. PROXY_METHOD=none
    24. BROWSER_ONLY=no
    25. BOOTPROTO=none
    26. IPADDR=192.168.31.137
    27. PREFIX=24
    28. GATEWAY=192.168.31.1
    29. DNS1=114.114.114.114
    30. DEFROUTE=yes
    31. IPV4_FAILURE_FATAL=no
    32. IPV6INIT=yes
    33. IPV6_AUTOCONF=yes
    34. IPV6_DEFROUTE=yes
    35. IPV6_FAILURE_FATAL=no
    36. IPV6_ADDR_GEN_MODE=stable-privacy
    37. NAME=eth0
    38. UUID=fd572aa4-d20d-4f68-ab84-8df94a18c5a0
    39. DEVICE=eth0
    40. ONBOOT=yes
    1. [root@rhel7 ~]# ip addr
    2. 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    3.     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    4.     inet 127.0.0.1/8 scope host lo
    5.        valid_lft forever preferred_lft forever
    6.     inet6 ::1/128 scope host
    7.        valid_lft forever preferred_lft forever
    8. 2: ens192: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    9.     link/ether 00:0c:29:aa:46:1d brd ff:ff:ff:ff:ff:ff
    10.     inet 192.168.31.137/24 brd 192.168.31.255 scope global noprefixroute ens192
    11.        valid_lft forever preferred_lft forever
    12.     inet6 fe80::320e:a836:3cd4:4f05/64 scope link noprefixroute
    13.        valid_lft forever preferred_lft forever
    14. [root@rhel7 ~]# nmcli connection show
    15. NAME    UUID                                  TYPE      DEVICE
    16. ens192  fd572aa4-d20d-4f68-ab84-8df94a18c5a0  ethernet  ens192
    1. [root@rhel7 ~]# reboot
    2. Connection closing...Socket close.
    4. Connection closed by foreign host.
    6. Disconnected from remote host(192.168.31.137:22) at 14:48:53.
    8. Type `help' to learn how to use Xshell prompt.
    9. [D:\~]$ ssh 192.168.31.137
    12. Connecting to 192.168.31.137:22...
    13. Connection established.
    14. To escape to local shell, press Ctrl+Alt+].
    16. Last login: Mon Apr  1 14:41:10 2019 from 192.168.31.173
    17. [root@rhel7 ~]# ip addr
    18. 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    19.     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    20.     inet 127.0.0.1/8 scope host lo
    21.        valid_lft forever preferred_lft forever
    22.     inet6 ::1/128 scope host
    23.        valid_lft forever preferred_lft forever
    24. 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    25.     link/ether 00:0c:29:aa:46:1d brd ff:ff:ff:ff:ff:ff
    26.     inet 192.168.31.137/24 brd 192.168.31.255 scope global noprefixroute eth0
    27.        valid_lft forever preferred_lft forever
    28.     inet6 fe80::c9c4:d1aa:aa30:aec7/64 scope link noprefixroute
    29.        valid_lft forever preferred_lft forever

    grub2-mkconfig -o /boot/grub2/grub.cfg 生成新的内核引导文件

    系统部署前：
    net.ifnames=0 biosdevname=0

    选择“Install RHEL 7”,按tab键修改内核参数，加入net.ifnames=0 biosdevname=0 回车开始安装系统。
    image.png