RHEL7/CentOS7 Network Service开机无法启动的解决方法
时间:2015-02-27 01:44 来源:linux.it.net.cn 作者:IT
RHEL7/CentOS7安装完成并配置好所有网络相关配置后重启机器，使用systemctl --failed检查是否有失败的服务，发现在network服务启动失败，使用systemctl status network查看服务状态，得到如下错误信息：
01.<SPAN style="FONT-FAMILY: Microsoft YaHei; FONT-SIZE: 14px"># systemctl status network
02.network.service - LSB: Bring up/down networking
03. Loaded: loaded (/etc/rc.d/init.d/network)
04. Active: failed (Result: exit-code) since Sun 2014-11-23 22:09:08 EST; 15min ago
05. Process: 597 ExecStart=/etc/rc.d/init.d/network start (code=exited, status=1/FAILURE)
06.
07.Nov 23 22:09:07 hdcoe02 network[597]: Bringing up loopback interface: Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
08.Nov 23 22:09:07 hdcoe02 network[597]: Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
09.Nov 23 22:09:08 hdcoe02 network[597]: Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
10.Nov 23 22:09:08 hdcoe02 network[597]: Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
11.Nov 23 22:09:08 hdcoe02 network[597]: [ OK ]
12.Nov 23 22:09:08 hdcoe02 network[597]: Bringing up interface enp0s25: Error: Connection activation failed: Connection 'enp0s25' is not available on the device enp0s25 at this time.
13.Nov 23 22:09:08 hdcoe02 network[597]: [FAILED]
14.Nov 23 22:09:08 hdcoe02 systemd[1]: network.service: control process exited, code=exited status=1
15.Nov 23 22:09:08 hdcoe02 systemd[1]: Failed to start LSB: Bring up/down networking.
16.Nov 23 22:09:08 hdcoe02 systemd[1]: Unit network.service entered failed state.</SPAN>
# systemctl status network
network.service - LSB: Bring up/down networking
Loaded: loaded (/etc/rc.d/init.d/network)
Active: failed (Result: exit-code) since Sun 2014-11-23 22:09:08 EST; 15min ago
Process: 597 ExecStart=/etc/rc.d/init.d/network start (code=exited, status=1/FAILURE)
Nov 23 22:09:07 hdcoe02 network[597]: Bringing up loopback interface: Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
Nov 23 22:09:07 hdcoe02 network[597]: Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
Nov 23 22:09:08 hdcoe02 network[597]: Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
Nov 23 22:09:08 hdcoe02 network[597]: Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
Nov 23 22:09:08 hdcoe02 network[597]: [ OK ]
Nov 23 22:09:08 hdcoe02 network[597]: Bringing up interface enp0s25: Error: Connection activation failed: Connection 'enp0s25' is not available on the device enp0s25 at this time.
Nov 23 22:09:08 hdcoe02 network[597]: [FAILED]
Nov 23 22:09:08 hdcoe02 systemd[1]: network.service: control process exited, code=exited status=1
Nov 23 22:09:08 hdcoe02 systemd[1]: Failed to start LSB: Bring up/down networking.
Nov 23 22:09:08 hdcoe02 systemd[1]: Unit network.service entered failed state.
通过查找相关文档，使用如下方法解决了问题：设定开机启动一个名为NetworkManager-wait-online服务，命令为：
systemctl enable NetworkManager-wait-online.service
(责任编辑：IT)
| RHEL7/CentOS7安装完成并配置好所有网络相关配置后重启机器，使用systemctl --failed检查是否有失败的服务，发现在network服务启动失败，使用systemctl status network查看服务状态，得到如下错误信息： 01.<SPAN style="FONT-FAMILY: Microsoft YaHei; FONT-SIZE: 14px"># systemctl status network 02.network.service - LSB: Bring up/down networking 03. Loaded: loaded (/etc/rc.d/init.d/network) 04. Active: failed (Result: exit-code) since Sun 2014-11-23 22:09:08 EST; 15min ago 05. Process: 597 ExecStart=/etc/rc.d/init.d/network start (code=exited, status=1/FAILURE) 06. 07.Nov 23 22:09:07 hdcoe02 network[597]: Bringing up loopback interface: Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo' 08.Nov 23 22:09:07 hdcoe02 network[597]: Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo' 09.Nov 23 22:09:08 hdcoe02 network[597]: Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo' 10.Nov 23 22:09:08 hdcoe02 network[597]: Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo' 11.Nov 23 22:09:08 hdcoe02 network[597]: [ OK ] 12.Nov 23 22:09:08 hdcoe02 network[597]: Bringing up interface enp0s25: Error: Connection activation failed: Connection 'enp0s25' is not available on the device enp0s25 at this time. 13.Nov 23 22:09:08 hdcoe02 network[597]: [FAILED] 14.Nov 23 22:09:08 hdcoe02 systemd[1]: network.service: control process exited, code=exited status=1 15.Nov 23 22:09:08 hdcoe02 systemd[1]: Failed to start LSB: Bring up/down networking. 16.Nov 23 22:09:08 hdcoe02 systemd[1]: Unit network.service entered failed state.</SPAN> # systemctl status network network.service - LSB: Bring up/down networking Loaded: loaded (/etc/rc.d/init.d/network) Active: failed (Result: exit-code) since Sun 2014-11-23 22:09:08 EST; 15min ago Process: 597 ExecStart=/etc/rc.d/init.d/network start (code=exited, status=1/FAILURE) Nov 23 22:09:07 hdcoe02 network[597]: Bringing up loopback interface: Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo' Nov 23 22:09:07 hdcoe02 network[597]: Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo' Nov 23 22:09:08 hdcoe02 network[597]: Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo' Nov 23 22:09:08 hdcoe02 network[597]: Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo' Nov 23 22:09:08 hdcoe02 network[597]: [ OK ] Nov 23 22:09:08 hdcoe02 network[597]: Bringing up interface enp0s25: Error: Connection activation failed: Connection 'enp0s25' is not available on the device enp0s25 at this time. Nov 23 22:09:08 hdcoe02 network[597]: [FAILED] Nov 23 22:09:08 hdcoe02 systemd[1]: network.service: control process exited, code=exited status=1 Nov 23 22:09:08 hdcoe02 systemd[1]: Failed to start LSB: Bring up/down networking. Nov 23 22:09:08 hdcoe02 systemd[1]: Unit network.service entered failed state. 通过查找相关文档，使用如下方法解决了问题：设定开机启动一个名为NetworkManager-wait-online服务，命令为： systemctl enable NetworkManager-wait-online.service (责任编辑：IT) |