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[root@hcss-ecs-c16f ~]# lscpu |grep 'CPU(s):'
CPU(s):                2
NUMA node0 CPU(s):     0,1
[root@hcss-ecs-c16f ~]# free -h
              total        used        free      shared  buff/cache   available
Mem:           1.8G        213M        471M         96M        1.1G        1.3G
Swap:            0B          0B          0B
[root@hcss-ecs-c16f ~]# uname -a
Linux hcss-ecs-c16f 3.10.0-1160.92.1.el7.x86_64 #1 SMP Tue Jun 20 11:48:01 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
[root@hcss-ecs-c16f ~]# cat /etc/issue
\S
Kernel \r on an \m
 
[root@hcss-ecs-c16f ~]# cat /etc/redhat-release
CentOS Linux release 7.9.2009 (Core)
[root@hcss-ecs-c16f ~]# cat /proc/cpuinfo |grep processor
processor   : 0
processor   : 1
[root@hcss-ecs-c16f ~]# cat /proc/cpuinfo |grep processor|wc -l
2
 
[root@hcss-ecs-c16f ~]# cat /etc/hostname
hcss-ecs-c16f
 
列出所有PCI设备
 
root@hcss-ecs-c16f ~]# lspci -tv
-[0000:00]-+-00.0  Intel Corporation 440FX - 82441FX PMC [Natoma]
           +-01.0  Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton II]
           +-01.1  Intel Corporation 82371SB PIIX3 IDE [Natoma/Triton II]
           +-01.2  Intel Corporation 82371SB PIIX3 USB [Natoma/Triton II]
           +-01.3  Intel Corporation 82371AB/EB/MB PIIX4 ACPI
           +-02.0  Cirrus Logic GD 5446
           +-03.0  Red Hat, Inc. Virtio network device
           +-04.0-[01]--
           +-05.0-[02]----01.0  Red Hat, Inc. Virtio block device
           +-06.0-[03]--
           +-07.0-[04]--
           +-08.0-[05]--
           +-09.0-[06]--
           +-0a.0-[07]--
           +-0b.0-[08]--
           +-0c.0  Red Hat, Inc. Virtio console
           \-0d.0  Red Hat, Inc. Virtio memory balloon
 
列出所有usb设备
lsusb -tv
 
列出所有加载的模块
[root@hcss-ecs-c16f ~]# lsmod
Module                  Size  Used by
tcp_diag               12591  0
inet_diag              18949  1 tcp_diag
nfit                   59735  0
libnvdimm             163620  1 nfit
iosf_mbi               15582  0
crc32_pclmul           13133  0
ghash_clmulni_intel    13273  0
ppdev                  17671  0
aesni_intel           189456  0
lrw                    13286  1 aesni_intel
gf128mul               15139  1 lrw
glue_helper            13990  1 aesni_intel
ablk_helper            13597  1 aesni_intel
cryptd                 21190  3 ghash_clmulni_intel,aesni_intel,ablk_helper
pcspkr                 12718  0
joydev                 17389  0
parport_pc             28205  0
virtio_balloon         18015  0
parport                46395  2 ppdev,parport_pc
i2c_piix4              22401  0
ip_tables              27126  0
ext4                  592325  1
mbcache                14958  1 ext4
jbd2                  107486  1 ext4
ata_generic            12923  0
pata_acpi              13053  0
virtio_net             27994  0
virtio_blk             18472  2
net_failover           18147  1 virtio_net
failover               13374  1 net_failover
virtio_console         28076  0
cirrus                 24171  1
drm_kms_helper        186531  1 cirrus
syscopyarea            12529  1 drm_kms_helper
sysfillrect            12701  1 drm_kms_helper
sysimgblt              12640  1 drm_kms_helper
fb_sys_fops            12703  1 drm_kms_helper
ttm                   100769  1 cirrus
drm                   468454  4 ttm,drm_kms_helper,cirrus
ata_piix               35052  0
crct10dif_pclmul       14307  0
crct10dif_common       12595  1 crct10dif_pclmul
libata                247190  3 pata_acpi,ata_generic,ata_piix
crc32c_intel           22094  0
serio_raw              13434  0
virtio_pci             22985  0
virtio_ring            22991  5 virtio_blk,virtio_net,virtio_pci,virtio_balloon,virtio_console
virtio                 14959  5 virtio_blk,virtio_net,virtio_pci,virtio_balloon,virtio_console
drm_panel_orientation_quirks    17180  1 drm
floppy                 73520  0

　　参考：

https://cloud.tencent.com/developer/article/2184506