1. lshw
lshw的作用
lshw可以查看服务器硬件配置的详细信息，可以在支持DMI的x86或者IA-64系统以及power PC 机器上打印内存配置，固件版本，主板配置，cpu版本，cpu频次，缓存，总线速度等信息。
使用方法
[root@ecs-c13b ~]# lshw -helpHardware Lister (lshw) - B.012.18usage: lshw [-format] [-options ...]lshw -version-version print program version (B.012.18)（查看版本信息）format can be-html output hardware tree as HTML （将设备树输出信息保存为HTML格式）-xml output hardware tree as XML （保存为XML格式）-json output hardware tree as a JSON object （保存为json格式）-shortoutput hardware paths （输出简短显示硬件路径的设备树信息）-businfo output bus information （输出总线信息的设备列表）options can be-dump OUTFILE save hardware tree to a file-class CLASS only show a certain class of hardware-C CLASS same as '-class CLASS'-c CLASS same as '-class CLASS'-disable TEST disable a test (like pci, isapnp, cpuid, etc. )（禁用某些检测）-enable TEST enable a test (like pci, isapnp, cpuid, etc. )-quietdon't display status （不显示状态）-sanitize sanitize output (remove sensitive information like serial numbers, etc.)（从输出信息中删除可能敏感的信息，如IP地址，序列号）-numeric output numeric IDs (for PCI, USB, etc.) （显示数字ID）-notime exclude volatile attributes (timestamps) from output[root@ecs-c13b ~]#
其中：
enable/disable 启用或者禁用某项检测，包括
dmi : 用于DMI/SMBIOS扩展
spd ： 用户内存串行存在检测
memory: 用于内存大小猜测启发式
cpuid： 用于cpu检测
usb: 用于USB设备
network: 用于网络接口检测
2. lsblk
lsblk查看磁盘的设备名称和容量的对应关系
[root@ecs-c13b ~]# lsblkNAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTvda 253:0 0 40G 0 disk └─vda1 253:1 0 40G 0 part /
[root@ecs-c13b ~]# ip addr1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00inet 127.0.0.1/8 scope host lovalid_lft forever preferred_lft foreverinet6 ::1/128 scope host valid_lft forever preferred_lft forever2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000link/ether fa:16:3e:5a:31:dd brd ff:ff:ff:ff:ff:ffinet 192.168.0.192/24 brd 192.168.0.255 scope global dynamic noprefixroute eth0valid_lft 57710sec preferred_lft 57710secinet6 fe80::f816:3eff:fe5a:31dd/64 scope link valid_lft forever preferred_lft forever
[root@ecs-c13b ~]# lsblkNAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTvda 253:0 0 40G 0 disk └─vda1 253:1 0 40G 0 part /[root@ecs-c13b ~]# ip addr1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00inet 127.0.0.1/8 scope host lovalid_lft forever preferred_lft foreverinet6 ::1/128 scope host valid_lft forever preferred_lft forever2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000link/ether fa:16:3e:5a:31:dd brd ff:ff:ff:ff:ff:ffinet 192.168.0.192/24 brd 192.168.0.255 scope global dynamic noprefixroute eth0valid_lft 57710sec preferred_lft 57710secinet6 fe80::f816:3eff:fe5a:31dd/64 scope link valid_lft forever preferred_lft forever[root@ecs-c13b ~]# 使用lshw命令可以生成一个详尽的HTML格式文件，使用浏览器打开之后更容易查看到设备型号信息。[root@ecs-c13b ~]# lshw -shortH/W path DeviceClassDescription=====================================================system OpenStack Nova/0bus Motherboard/0/0 memory 96KiB BIOS 内存/0/400 processorIntel(R) Xeon(R) Gold 6266C CPU @ 3.00GHz （CPU型号）/0/1000memory 4GiB System Memory/0/1000/0 memory 4GiB DIMM RAM/0/100 bridge 440FX - 82441FX PMC [Natoma]/0/100/1 bridge 82371SB PIIX3 ISA [Natoma/Triton II]/0/100/1.1 storage 82371SB PIIX3 IDE [Natoma/Triton II]/0/100/1.2 bus 82371SB PIIX3 USB [Natoma/Triton II]/0/100/1.2/1 usb1 bus UHCI Host Controller/0/100/1.2/1/1 inputQEMU USB Tablet/0/100/1.3 bridge 82371AB/EB/MB PIIX4 ACPI/0/100/2 display GD 5446/0/100/3 network Virtio network device/0/100/3/0eth0 network Ethernet interface/0/100/4 bridge QEMU PCI-PCI bridge/0/100/5 bridge QEMU PCI-PCI bridge/0/100/5/1 storage Virtio block device/0/100/5/1/0 /dev/vda disk 42GB Virtual I/O device/0/100/5/1/0/1 /dev/vda1 volume 39GiB EXT4 volume/0/100/6 bridge QEMU PCI-PCI bridge/0/100/7 bridge QEMU PCI-PCI bridge/0/100/8 bridge QEMU PCI-PCI bridge/0/100/9 bridge QEMU PCI-PCI bridge/0/100/a bridge QEMU PCI-PCI bridge/0/100/b bridge QEMU PCI-PCI bridge/0/100/c communication Virtio console/0/100/c/0 generic Virtual I/O device/0/100/d generic Virtio memory balloon/0/100/d/0 generic Virtual I/O device/0/1 system PnP device PNP0b00/0/2 inputPnP device PNP0303/0/3 inputPnP device PNP0f13/0/4 storage PnP device PNP0700/0/5 communication PnP device PNP0501[root@ecs-c13b ~]#
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