disk eraser hardware

Linux has a different set of devices for each component of the computer than the Windows system you are accustomed to using. because each component or device is a file under Linux. Recognize the hardware configuration of your computerenough to buy mainly from ① is a game console or a work machine ② cost-effective consideration of ③ support considerationsChoosing a host configuration to match LinuxIf you want a more stable Linux server, based on the ov

How to view hardware information in Windows system with commands, how DOS commands to view hard disk and memory/cpu information? The most direct is: Start → run →cmd open a command prompt, under which you can enter systeminfo execution to see almost all the system information you want to know, even the installed network card and its IP on the machine. Problem Description: How to view the number of memory

View Nic Model[Root @ server] # lspci | grep Ethernet00:19. 0 Ethernet controller: Intel Corporation 82567V-2 Gigabit Network ConnectionThe most direct and Common commands for viewing memory and cpu:[Root @ server] # freeTotal used free shared buffers cachedMem: 3069504 528876 2540628 0 76648 396152-/+ Buffers/cache: 56076 3013428Swap: 5124692 0 5124692[Root @ server] # cat/proc/cpuinfoProcessor: 0Vendor_id: GenuineIntelCpu family: 6Model: 23Model name: Pentium (R) Dual-Core CPU E6500 @ 2.93 GHz

View Motherboard Model:sudo dmidecode |grep-a16 "System information$"Memory slots and Memory strips:sudo dmidecode |grep-a16 "Memory device$"Hard disk:sudo fdisk-lsudo smartctl-a/DEV/SDA//need to be installedCard:sudo mii-tool//I didn'tTest drive Read and write speedDD If=/dev/zero of=test bs=64k count=512 Oflag=dsync[Email protected]:~$ dd If=/dev/zero of=test bs=64k count=512 Oflag=dsyncRecorded 512+0 read-inRecorded the writing of 512+0.33554432 bytes (MB, MiB) copied, 1.82974 s, 18.3 mb/sLin

Optimization of database hardwareHow do I select a CPU?Would you prefer a faster single-core CPU or a higher number of cores? MySQL has some work that only uses single-core CPUs MySQL does not support CPU cores more and more faster Recommendation: mysql5.5 Use a server that does not exceed 32 cores. It is also recommended that the single core frequency be faster CPU.Disk IO optimizationIntroduction to Common RAID levelsRAID0: Also become a stripe, that is, to link multiple disks into