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CentOS 7.2重啟網路報錯 Failed to start LSB: Bring up/down---liux報錯

vi /etc/sysconfig/network-scripts/ifcfg-eno16777736裡面的name和device,並把配置檔名改為ifcfg-eth0。重啟網路:systemctl restart network.service。後來因重啟失敗還原為原來的資訊,以為會正常,但仍沒有解決。

# systemctl restart network.service
Job for network.service failed because the control process exited with error code. See "systemctl status network.service" and "journalctl -xe" for details.

根據提示檢視網絡卡資訊
# systemctl status network.service


檢視日誌
# cat /var/log/messages |grep network
Jul  4 10:05:10 dg-p systemd: Starting LSB: Bring up/down networking...
Jul  4 10:05:10 dg-p network: Bringing up loopback interface:  Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
Jul  4 10:05:10 dg-p network: Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
Jul  4 10:05:10 dg-p network: Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
Jul  4 10:05:10 dg-p network: Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
Jul  4 10:05:10 dg-p network: [  OK  ]
Jul  4 10:05:11 dg-p network: Bringing up interface eno16777736:  Error: Connection activation failed: No suitable device found for this connection.
Jul  4 10:05:11 dg-p network: [FAILED]
Jul  4 10:05:11 dg-p network: RTNETLINK answers: File exists
Jul  4 10:05:11 dg-p network: RTNETLINK answers: File exists
Jul  4 10:05:11 dg-p network: RTNETLINK answers: File exists
Jul  4 10:05:11 dg-p network: RTNETLINK answers: File exists
Jul  4 10:05:11 dg-p network: RTNETLINK answers: File exists
Jul  4 10:05:11 dg-p network: RTNETLINK answers: File exists
Jul  4 10:05:11 dg-p network: RTNETLINK answers: File exists
Jul  4 10:05:11 dg-p network: RTNETLINK answers: File exists
Jul  4 10:05:11 dg-p network: RTNETLINK answers: File exists
Jul  4 10:05:11 dg-p systemd: network.service: control process exited, code=exited status=1
Jul  4 10:05:11 dg-p systemd: Failed to start LSB: Bring up/down networking.
Jul  4 10:05:11 dg-p systemd: Unit network.service entered failed state.
Jul  4 10:05:11 dg-p systemd: network.service failed.

解決

百度後很多說是MAC地址或者NetworkManager服務的問題,試過後仍未解決。解鈴還須繫鈴人,試著修改網絡卡名---
(1)修改網絡卡名和配置檔案
# mv /etc/sysconfig/network-scripts/ifcfg-eno16777736 /etc/sysconfig/network-scripts/ifcfg-eth0
修改配置檔案裡面name和device
# vi /etc/sysconfig/network-scripts/ifcfg-eth0
TYPE=Ethernet
BOOTPROTO=static
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=eth0

UUID=d890d6e6-01f6-4063-bf70-cd4e1787d0a8
HWADDR=00:50:56:8b:57:82             #這裡原檔案沒有,手動新增上去
DEVICE=eth0
ONBOOT=yes
IPADDR=192.168.70.42
NETMASK=255.255.255.0
GATEWAY=192.168.70.254
(2)修改/etc/sysconfig/grub,新增net.ifnames=0 biosdevname=0
# vi  /etc/sysconfig/grub
GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)"
GRUB_DEFAULT=saved
GRUB_DISABLE_SUBMENU=true
GRUB_TERMINAL_OUTPUT="console"
GRUB_CMDLINE_LINUX="crashkernel=auto rd.lvm.lv=centos/root rd.lvm.lv=centos/swap net.ifnames=0 biosdevname=0 rhgb quiet"
GRUB_DISABLE_RECOVERY="true"
(3)手動生成70-persistent-net.rules以及其他方法
檢視介面的MAC地址
# ip link show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eno16777728: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP mode DEFAULT qlen 1000
    link/ether 00:0c:29:28:ac:54 brd ff:ff:ff:ff:ff:ff
生成檔案
# vi /etc/udev/rules.d/70-persistent-net.rules
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:0c:29:28:ac:54", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"