查看显卡信息
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* 安装了nvidia驱动之后可以使用该命令
nvidia-smi
查看cpu信息
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lscpu
查看磁盘信息
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df -h
查看Linux是虚拟机还是物理机
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# dmidecode -s system-product-name
#物理服务器
[root@JX-P-L-KVM-231 ~]# dmidecode -s system-product-name
# SMBIOS implementations newer than version 2.7 are not
# fully supported by this version of dmidecode.
PowerEdge R930
# KVM 虚拟主机
[root@JX-V-L-PHP-237 ~]# dmidecode -s system-product-name
KVM
# VMware vSphere 虚拟主机
[root@ZE-T1 ~]# dmidecode -s system-product-name
VMware Virtual Platform
#阿里云主机
[root@zdc ~]# dmidecode -s system-product-name
HVM domU
# dmesg | grep -i virtual
#物理服务器
[root@JX-P-L-KVM-231 ~]# dmesg | grep -i virtual #没有内容
[root@JX-P-L-KVM-231 ~]#
# KVM 虚拟主机
[root@JX-V-L-PHP-237 ~]# dmesg | grep -i virtual
Booting paravirtualized kernel on KVM
CPU0: Intel QEMU Virtual CPU version (cpu64-rhel6) stepping 03
input: Macintosh mouse button emulation as /devices/virtual/input/input1
# VMware vSphere
[root@ZE-T1 ~]# dmesg | grep -i virtual
DMI: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/30/2013
Booting paravirtualized kernel on bare hardware
input: Macintosh mouse button emulation as /devices/virtual/input/input1
scsi 0:0:0:0: Direct-Access VMware Virtual disk 1.0 PQ: 0 ANSI: 2
ata2.00: ATAPI: VMware Virtual IDE CDROM Drive, 00000001, max UDMA/33
VMware vmxnet3 virtual NIC driver - version 1.4.2.0-k-NAPI、
#阿里云主机
[root@zdc ~]# dmesg | grep -i virtual
Booting paravirtualized kernel on Xen
input: Macintosh mouse button emulation as /devices/virtual/input/input2
Initialising Xen virtual ethernet driver.
# cat /proc/scsi/scsi | grep Vendor
# 物理服务器
[root@JX-P-L-KVM-231 ~]# cat /proc/scsi/scsi | grep Vendor
Vendor: DELL Model: PERC H730P Adp Rev: 4.27
Vendor: PLDS Model: DVD-ROM DS-8DBSH Rev: RD51
# KVM 虚拟主机
[root@JX-V-L-PHP-237 ~]# cat /proc/scsi/scsi | grep Vendor
Vendor: QEMU Model: QEMU DVD-ROM Rev: 0.12
# VMware vSphere
[root@ZE-T1 ~]# cat /proc/scsi/scsi | grep Vendor
Vendor: VMware Model: Virtual disk Rev: 1.0
Vendor: NECVMWar Model: VMware IDE CDR10 Rev: 1.00
# 阿里云主机
[root@zdc ~]# cat /proc/scsi/scsi
Attached devices:
查看内存情况
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free -h
tar
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解包：tar zxvf FileName.tar
打包：tar czvf FileName.tar DirName
scp
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scp -r 用户名@ip或者域名:物理机文件路径 粘贴后路径
cp
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cp 被粘贴文件路径 粘贴到的文件路径
rm (慎用)
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rm -rf 要删除的文件夹或文件