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Purpose: To record the daily commands used by Linux[20171222] View the hardware component model in a Linux environmentCat/proc/cpuinfo and Lspciview Cpu[[email protected]-redhat- on~]# cat/proc/Cpuinfoprocessor:0VENDOR_ID:AUTHENTICAMDCPU Family: atModel:1model NAME:AMD Ryzen7 1700eight-Core Processor Here is the CPU model stepping:1CPU MHz:2994.370->cpu FrequencyCache Size: +KBfpu:yesfpu_exception:yescpuid Level: -WP:YESFLAGS:FPU de PSE TSC MSR PAE, MCE cx8 APIC Sep MTRR

Article Title: View hard disk parameters, CPU parameter temperature, and so on. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. 1) view hard disk parameters: Hdparm/dev/hda My hard disk display: /Dev/hda: Multcount = 16 (on) IO_support = 1 (32-bit) Unmaskirq = 1 (on) Using_dma = 1 (on) Keepsettings = 0 (off) Readonly = 0 (off) Readahead = 256 (on) Geometry =

to the correct one. So why is this step necessary? Aren't we allocating physical addresses? How do I still need to switch after the allocation is completed? If a virtual address is returned, why can address translation be implemented only by PAGE_OFFSET Based on the above analysis of pai_to_phys? Do I need to check the page table for the conversion between virtual addresses and physical addresses? On behalf of the above questions, let's look at the VMM-related boot code. Find VMM content direct

This is a creation in Article, where the information may have evolved or changed. Hardware environment $ lscpuArchitecture: x86_64CPU 运行模式： 32-bit, 64-bitByte Order: Little EndianCPU(s): 8On-line CPU(s) list: 0-7每个核的线程数：2每个座的核数： 4Socket(s): 1NUMA 节点： 1厂商 ID： GenuineIntelCPU 系列： 6型号： 58Model name: Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz步进： 9CPU MHz： 2021.406CPU max MHz: 3900.0000CPU min MHz: 1600.0000BogoMIPS: 6784.72虚拟化： VT-xL1d 缓存： 32KL1i 缓存： 32KL2 缓存： 256KL3 缓存： 8192KNUMA node0 CPU(s): 0-7Flag

@ transmit180 logs] $ cat/proc/cpuinfo Processor : 0 Vendor_id : GenuineIntel Cpu family : 6 Model : 15 Model name : Intel (R) Xeon (R) CPU E5310@ 1.60 GHz Stepping : 7 Cpu MHz 1596.035 Cache size : 4096 KB Physical id : 0 Siblings : 4 Core id : 0 Cpu cores : 4 Fdiv_bug : No Hlt_bug : No F00f_bug : No Coma_bug : No Fpu : Yes Fpu_exception : Yes Cpuid level : 10 Wp : Yes Flags : Fpu v

I. installation environment CentOS6.5 kernel version: 2.6.32-431. el6.x86 _ 64VMware-Workstation 2: install xen using [root @ node1 ~] # Cat nbs I. installation environment CentOS6.5 kernel version: 2.6.32-431. el6.x86 _ 64 VMware-Workstation II. Installation and Use of xen [Root @ node1 ~] # Cat/proc/cpuinfo | grep flagflags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat limit 36 clflush dts acpi mmx fxsr sse sse2 ss

: biosreleasedate: 03/07/2013 biosversion: 1.6.0 cpu_flags: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat limit 36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx limit rdtscp lm limit pebs bts rep_good privilege limit pni kernel monitor kernel vmx smx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 x2apic popcnt aes xsave avx kernel ida arat xsaveopt pln pts dts kernel vnmi flexpriority ept vpid cpu_model: intel (R) Xeon (R)

(Intel VT), so we need to use commands to check whether the CPU used supports virtualization. This is the premise of using KVM virtualization technology: $ Cat/proc/cpuinfoMy AMD Turion64 × 2 TL-56, the result is as follows:Processor: 0Vendor_id: AuthenticAMDCpu family: 15Model: 72Model name: AMD Turion (tm) 64X2Stepping: 2Cpu MHz: 800.000Cache size: 512 KBPhysical id: 0Siblings: 2Core id: 0Cpu cores: 2Apicid: 0Initial apicid: 0Fdiv_bug: noHlt_bug: noF00f_bug: noComa_bug: noFpu: yesFpu_exceptio

In the Linux system, the software and hardware information of proc file system display system is supplied. If you want to understand the system of CPU suppliers and coherent device information, it can be obtained through the process/proc/cpuinfo file. This article makes a brief summary of the file.Unlike the/proc/cpuinfo file generated by the instruction set (ISA) CPU, the/proc/cpuinfo file based on the X86 instruction set CPU contains the following:processor:0Vendor_id:genuineintelCPU Family:6M

Linux command to view the host configuration information in Linux can use lspci and cat/proc/cpuinfo to view the host information, this is equivalent to Windows CPU-Z software Oh. I am using a Vmware virtual machine. this is my local Machine Information 01 [root @ localhosthome] # cat/pr... linux command to view the host configuration information in Linux can use lspci and cat/proc/cpuinfo to view the host information, this is equivalent to Windows CPU-Z software Oh. I am using a Vmware virtual

: yes Fpu_exception: yes Cpuid level: 1 Wp: yes Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat limit 36 clflush mmx fxsr sse sse2 syscall nx mmxext rjlm 3 limit 3 dnow up pni limit ts fid vid ttp tm stc Bogomips: 4002.57 the above information shows that this is an AMD Athlon 64 3200 + CPU. The CPU optimization parameters can be obtained from the following address (some cpu family and model do not exist and can be replaced by

######################################## ######################################## ### LuxCal Web Calendar v2.4.2/v2.5.0 SQL Injection Vulnerability ### Author: kaMtiEz (kamtiez@exploit-id.com )### Homepage: http://www.indonesiancoder.com/http://exploit-id.com/http://magelangcyber.web.id ### Date: 6 July, 2011 ########################################## ######################################## ######[Software Information][+] Vendor: http://www.luxsoft.eu[+] Download: http://www.luxsoft.eu/index.p

cr4-07 PGE (Page Global Enable) 1 Enable the Global page feature introduced by the P6 processor, 0 forbidden cr4-08 PCE (performance-monitoring COunter Enable) 1 Allow all privileged-level code to read performance counters using the RDPMC instruction, 0 only RING0 privileged level to use RDPMC directives cr4-09 OSFXSR (Operationg System support forFxsave and fxrstor instructions)

Preparatory work:Operating system: Ubuntu 16.04Installing KVM1. See if the CPU supports virtualization[Email protected]:~# grep-e "VMX|SVM"/proc/cpuinfoThe output is as follows:FLAGS:FPU VME de PSE TSC MSR PAE MCE cx8 APIC Sep MTRR PGE MCA cmov Pat PSE36 clflush DTS ACPI MMX FXSR SSE SSE2 SS HT TM PBE syscall NX rdtscp lm constant_tsc Arch_perfmon pebs BTS rep_good nopl xtopology nonstop_tsc aperfmperf eagerf PU PNI pclmulqdq dtes64 monitor ds_cpl vmx

Linux provides a special file system PROCFS, usually presented in the form of/proc directories. This directory contains a number of special files for higher-level access to driver and kernel information. As long as the application has the correct access holographic, you can obtain information or set parameters by reading and writing these files.For example,/proc/cpuinfo gives detailed information about the CPU:My Notebook is a 4-core machine.Processor:3VENDOR_ID:GENUINEINTELCPU Family:6Model: -m

One: Installation environmentCentOS6.5 kernel version: 2.6.32-431.el6.x86_64 vmware-workstationII: Installation and use of Xen[[email protected] ~]# cat/proc/cpuinfo |grep flagflags:fpu vme de PSE TSC MSR PAE MCE cx8 APIC Sep MTRR PGE MCA Cmov PA T pse36 clflush DTS ACPI MMX FXSR SSE SSE2 SS Syscall NX rdtscp LM constant_tsc up Arch_perfmon pebs BTS xtopology Tsc_rel Iable nonstop_tsc aperfmperf unfair_spinlock pni pclmulqdq ssse3 cx16 sse4_1 sse4_2 p

this number is not necessarily continuousInitial apicid:0Fpu:yes#是否具有浮点运算单元 (floating point unit)Fpu_exception:yes#是否支持浮点计算异常CPUID level:13#执行cpuid指令前, the value in the EAX register, cpuid the instruction returns different content depending on the valueWp:yes#表明当前CPU是否在内核态支持对用户空间的写保护 (Write Protection)FLAGS:FPU VME de PSE TSC MSR PAE MCE cx8 APIC Sep MTRR PGE MCA cmov Pat PSE36 clflush DTS ACPI MMX FXSR SSE SSE2 SS HT t M PBE syscall NX PDPE1GB rdtsc

. 9 Osfxsr Operating System Support for fxsave and fxrstor instructions If set, enables SSE instructions and fast FPU Save restore 8 PCE Performance-monitoring counter enable If set, rdpmc can be executed at any privilege level, else rdpmc can only be used in Ring 0. 7 PGE Page global Enabled If set, address translations (PVDF or PTE records) may be shared between address spaces. 6 MCE

1. in Linux: 1. uname- Stat @ ttpod :~ $ Uname-Linux ttpod 2.6.32-21-generic-pae # 32-ubuntu SMP Fri Apr 16 09:39:35 UTC 2010 i686 i686 i386 GNU/Linux 2. File/bin/ls Stat @ ttpod :~ $ File/bin/ls/Bin/LS: Elf 32-bit LSB executable, Intel 80386, Version 1 (sysv), dynamically linked (uses SHARED libs), for GNU/Linux 2.6.15, stripped 3. getconf long_bit Stat @ ttpod :~ $ Getconf long_bit32 4. CAT/proc/cpuinfo Stat @ ttpod :~ $ CAT/proc/cpuinfoProcessor: 0Vendor_id: genuineintelCPU family: 6Model:

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