4、网卡
查看网卡硬件信息
# lspci | grep -i ‘eth’
02:00.0 Ethernet controller: Realtek Semiconductor Co.,Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 06)
查看系统的所有网络接口
# ifconfig -a
eth0 Link encap:以太网 硬件地址 b8:97:5a:17:b3:8f
。。。。。
lo Link encap:本地环回
。。。。。
或者是
ip link show
1: lo: 《LOOPBACK》 mtu 16436 qdisc noqueue state DOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: 《BROADCAST,MULTICAST,UP,LOWER_UP》 mtu 1500 qdisc pfifo_fast state UP qlen 1000
link/ether b8:97:5a:17:b3:8f brd ff:ff:ff:ff:ff:ff
如果要查看某个网络接口的详细信息,例如eth0的详细参数和指标
# ethtool eth0
Settings for eth0:
Supported ports: [ TP MII ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Half 1000baseT/Full #支持千兆半双工,全双工模式
Supported pause frame use: No
Supports auto-negotiation: Yes #支持自适应模式,一般都支持
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Half 1000baseT/Full
Advertised pause frame use: Symmetric Receive-only
Advertised auto-negotiation: Yes #默认使用自适应模式
Link partner advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
。。。。。
Speed: 100Mb/s #现在网卡的速度是100Mb,网卡使用自适应模式,所以推测路由是100Mb,导致网卡从支 持千兆,变成要支持百兆
Duplex: Full #全双工
。。。。。
Link detected: yes #表示有网线连接,和路由是通的
5、其他
查看pci信息,即主板所有硬件槽信息 。
lspci
00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09) #主板芯片
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) #显卡
00:14.0 USB controller: Intel Corporation Panther Point USB xHCI Host Controller (rev 04) #usb控制器
00:16.0 Communication controller: Intel Corporation Panther Point MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation Panther Point USB Enhanced Host Controller #2 (rev 04)
00:1b.0 Audio device: Intel Corporation Panther Point High Definition Audio Controller (rev 04) #声卡
00:1c.0 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 1 (rev c4) #pci 插槽
00:1c.2 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 3 (rev c4)
00:1c.3 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 4 (rev c4)
00:1d.0 USB controller: Intel Corporation Panther Point USB Enhanced Host Controller #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation Panther Point LPC Controller (rev 04)
00:1f.2 IDE interface: Intel Corporation Panther Point 4 port SATA Controller [IDE mode] (rev 04) #硬盘接口
00:1f.3 SMBus: Intel Corporation Panther Point SMBus Controller (rev 04)
00:1f.5 IDE interface: Intel Corporation Panther Point 2 port SATA Controller [IDE mode] (rev 04) #硬盘接口
02:00.0 Ethernet controller: Realtek Semiconductor Co.,Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 06) #网卡
03:00.0 PCI bridge: Integrated Technology Express,Inc. Device 8893 (rev 41)
如果要更详细的信息:lspci -v 或者 lspci -vv
如果要看设备树:lscpi -t
查看bios信息
# dmidecode -t bios
。。。。。。
BIOS Information
Vendor: American Megatrends Inc.
Version: 4.6.5
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