Basic Search commands and viewing information under Linux

Find command and hardware information viewing is the most common system management and maintenance operations. Below is a brief comparison of basic Linux search commands, and lists some common hardware information to view commands.

Man common options

-k              知道功能、不知道名称-f              知道名称、不知道功能

Comparison of various find commands

whereis         查找命令的可执行文件、源文件、man page路径whatis          读取命令的描述apropos         基于功能的查找which           找出将要运行的命令的版本locate          搜索文件名数据库find            根据指定的查询条件搜索文件find . -type f | grep -i blasfidn . -type f -name "*.a" | grep -i blaslsb_release -a  查看系统版本alias           查看所有别名ls -lh          按k、m、g查看文件

Viewing hardware information GPU information

View Mic Card Information

sudo micinfo

viewing GPU Information

sudo nvidia-smi

How to view the NIC model under Linux/centos, how to view the motherboard model, cpu/graphics information, hard drive model and other hardware information

View NIC Model

[[email protected]]# lspci | grep Ethernet  00:19.082567V-2 Gigabit Network Connection

See the most direct and most common commands for memory and CPUs:

[[email protected]]# FreeTotal used free shared buffers Cachedmem:3069504     528876    2540628          0      76648     396152-/+ Buffers/cache:56076    3013428Swap:5124692          0    5124692[[email protected]]# Cat/proc/cpuinfoProcessor:0VENDOR_ID:GENUINEINTELCPU Family:6Model: atModel Name:pentium (R) dual-core CPU E6500 @2.93Ghzstepping:TenCPU MHz:1596.000Cache Size:2048Kb

View hard drive information (view hard drive model and hard drive serial number):

[[email protected]]# df-hFilesystem Size used Avail use% mounted ON/DEV/SDA52.0G272M1.6G the%//DEV/SDA8199G188M189G1%/home/dev/sda39.7G1.3G7.9G the%/usr/dev/sda29.7G198M9.0G3%/VAR/DEV/SDA1 AboutM -M theM -%/boot

Method 1:

[[email protected]]# hdparm-i/DEV/SDA/dev/sda:model=samsung He253gj, fwrev=1AJ30001, serialno= s2b5j90zc12060 config={Fixed} rawchs=16383/ -/ the, trksize=0, sectsize=0, eccbytes=4Bufftype=unknown, buffsize=16384KB, maxmultsect= -, multsect=? -? curchs=16383/ -/ the, cursects=16514064, Lba=yes, lbasects=268435455Iordy=on/off, Tpio={min: -, W/iordy: -}, Tdma={min: -, rec: -} PIO modes:pio0 pio1 Pio2 pio3 Pio4 DMA modes:mdma0 mdma1 mdma2 UDMA modes:udma0 udma1 udma2 Advancedpm=yes:disa Bled (255) writecache=enabled Drive Conforms to:unknown:ata/atapi-0ata/atapi-1ata/atapi-2ata/atapi-3ata/atapi-4ata/atapi-5ata/atapi-6ata/atapi-7* signifies the current active mode

Method 2:

[[email protected]]# DMESG | grep ATAAta1:sata Max udma/133Cmd0xf190 ctl0xf180 BMDMA0xf150 IRQ185Ata2:sata Max udma/133Cmd0Xf170 ctl0xf160 BMDMA0xf158 IRQ185Ata1:sata Link Up3.0Gbps (sstatus123SControl -) ata1.xx: ata-8: SAMSUNG He253gj,1AJ30001, Max udma/133Ata2:sata Link Down (sstatus0SControl -) Vendor:ata Model:samsung he253gj Rev:1Aj3ata3:sata Max udma/133Cmd0xf130 ctl0xf120 BMDMA0XF0F0 IRQ185Ata4:sata Max udma/133Cmd0Xf110 ctl0Xf100 BMDMA0Xf0f8 IRQ185Ata3:sata Link Down (sstatus0SControl -) Ata4:sata link Down (sstatus0SControl -) Ata5:pata Max udma/ -Cmd0xe040 ctl0xe030 BMDMA0xe000 IRQ177

[[email protected]]# dmidecode|more# dmidecode 2.102.4 present.57231800type024 bytesBIOS Information        Vendor: Intel Corp.        Version: GTG4310H.86A.0019.2009.0625.1334        06/25/2009

Basic Search commands and viewing information under Linux