# 切换到 root 用户
[hxstrive@localhost ~]$ su
密码:
# 开启 ens33 网卡
[root@localhost hxstrive]# ifup ens33
错误:连接激活失败:No suitable device found for this connection (device lo not available because device is strictly unmanaged).(1)永久关闭 NetworkManager 托管工具,如下:
[root@localhost hxstrive]# chkconfig NetworkManager off
注意:正在将请求转发到“systemctl disable NetworkManager.service”。
Removed symlink /etc/systemd/system/multi-user.target.wants/NetworkManager.service.
Removed symlink /etc/systemd/system/dbus-org.freedesktop.nm-dispatcher.service.
Removed symlink /etc/systemd/system/network-online.target.wants/NetworkManager-wait-online.service.(2)设置每次开机自动启动 NetworkManager 服务,如下:
[root@localhost hxstrive]# chkconfig network on(3)停止 NetworkManager 服务,如下:
[root@localhost hxstrive]# service NetworkManager stop
Redirecting to /bin/systemctl stop NetworkManager.service(4)启动 network 服务,如下:
[root@localhost hxstrive]# service network start
Starting network (via systemctl): [ 确定 ](5)查看 ip 信息,如下:
[root@localhost hxstrive]# ifconfig
ens33: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.116.130 netmask 255.255.255.0 broadcast 192.168.116.255
inet6 fe80::20c:29ff:fe8e:419b prefixlen 64 scopeid 0x20<link>
ether 00:0c:29:8e:41:9b txqueuelen 1000 (Ethernet)
RX packets 16 bytes 2076 (2.0 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 35 bytes 5435 (5.3 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 1000 (Local Loopback)
RX packets 2 bytes 108 (108.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 2 bytes 108 (108.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
virbr0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255
ether 52:54:00:ed:90:d1 txqueuelen 1000 (Ethernet)
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到这里,问题就解决了……