查看Linux系统配置信息的命令.docx

查看Linux系统配置信息的命令查看Linux系统配置信息的命令我们有时候需要知道Linux系统配置的具体信息却不知道详细哪些命令。下面由学习啦我为大家整理了查看Linux系统配置信息的命令，希望对大家有帮助!查看Linux系统配置信息的命令#uname-a#查看内核/操作系统/CPU信息#head-n1/etc/issue#查看操作系统版本#cat/proc/cpuinfo#查看CPU信息#hostname#查看计算机名#lspci-tv#列出所有PCI设备#lsusb-tv#列出所有USB设备#lsmod#列出加载的内核模块#env#查看环境变量资源#free-m#查看内存使用量和交换区使用量#df-h#查看各分区使用情况#du-sh#查看指定目录的大小#grepMemTotal/proc/meminfo#查看内存总量#grepMemFree/proc/meminfo#查看空闲内存量#uptime#查看系统运行时间、用户数、负载#cat/proc/loadavg#查看系统负载磁盘和分区#mount|column-t#查看挂接的分区状态#fdisk-l#查看所有分区#swapon-s#查看所有交换分区#hdparm-i/dev/hda#查看磁盘参数(仅适用于IDE设备)#dmesg|grepIDE#查看启动时IDE设备检测状况网络#ifconfig#查看所有网络接口的属性#iptables-L#查看防火墙设置#route-n#查看路由表#netstat-lntp#查看所有监听端口#netstat-antp#查看所有已经建立的连接#netstat-s#查看网络统计信息进程#ps-ef#查看所有进程#top#实时显示进程状态用户#w#查看活动用户#id#查看指定用户信息#last#查看用户登录日志#cut-d:-f1/etc/passwd#查看系统所有用户#cut-d:-f1/etc/group#查看系统所有组#crontab-l#查看当前用户的计划任务服务#chkconfiglist#列出所有系统服务#chkconfiglist|grepon#列出所有启动的系统服务程序#rpm-qa#查看所有安装的软件包查看Linux系统配置信息命令cpulscpu命令，查看的是cpu的统计信息.blueblue-pc:$lscpuArchitecture:i686#cpu架构CPUop-mode(s):32-bit,64-bitByteOrder:LittleEndian#小尾序CPU(s):4#总共有4核On-lineCPU(s)list:0-3Thread(s)percore:1#每个cpu核，只能支持一个线程，即不支持超线程Core(s)persocket:4#每个cpu，有4个核Socket(s):1#总共有1一个cpuVendorID:GenuineIntel#cpu产商intelCPUfamily:6Model:42Stepping:7CPUMHz:1600.000BogoMIPS:5986.12Virtualization:VT-x#支持cpu虚拟化技术L1dcache:32KL1icache:32KL2cache:256KL3cache:6144K查看/proc/cpuinfo,能够知道每个cpu信息，如每个CPU的型号，主频等。#cat/proc/cpuinfoprocessor:0vendor_id:GenuineIntelcpufamily:6model:42modelname:Intel(R)Core(TM)i5-2320CPU3.00GHz.上面输出的是第一个cpu部分信息，还有3个cpu信息省略了。查看Linux系统配置信息命令内存概要查看内存情况free-mtotalusedfreesharedbufferscachedMem:39263651274012404-/+buffers/cache:3235691Swap:9536319505这里的单位是MB，总共的内存是3926MB。查看内存具体使用#cat/proc/meminfoMemTotal:4020868kBMemFree:230884kBBuffers:7600kBCached:454772kBSwapCached:836kB.查看内存硬件信息dmidecode-tmemory#dmidecode2.11SMBIOS2.7present.Handle0x0008,DMItype16,23bytesPhysicalMemoryArrayLocation:SystemBoardOrMotherboard.MaximumCapacity:32GB.Handle0x000A,DMItype17,34bytes.MemoryDeviceArrayHandle:0x0008ErrorInformationHandle:NotProvidedTotalWidth:64bitsDataWidth:64bitsSize:4096MB.我的主板有4个槽位，只用了一个槽位，上面插了一条4096MB的内存。查看Linux系统配置信息命令磁盘查看硬盘和分区分布#lsblkNAMEMAJ:MINRMSIZEROTYPEMOUNTPOINTsda8:00465.8G0disksda18:101G0part/bootsda28:209.3G0partSWAPsda38:3074.5G0part/sda48:401K0partsda58:50111.8G0part/homesda68:60269.2G0part显示很直观假如要看硬盘和分区的具体信息#fdisk-lDisk/dev/sda:500.1GB,500107862016bytes255heads,63sectors/track,60801cylinders,total976773168sectorsUnits=sectorsof1*512=512bytesSectorsize(logical/physical):512bytes/4096bytesI/Osize(minimum/optimal):4096bytes/4096bytesDiskidentifier:0x00023728DeviceBootStartEndBlocksIdSystem/dev/sda1*20482148351107315283Linux/dev/sda2214835221680127976588882Linuxswap/Solaris/dev/sda3216801281779302397812505683Linux/dev/sda41779322869767710713994193935Extended/dev/sda517793228841230540711718656083Linux/dev/sda641230745697677107128223180883Linux查看Linux系统配置信息命令网卡查看网卡硬件信息#lspci|grep-ieth02:00.0Ethernetcontroller:RealtekSemiconductorCo.,Ltd.RTL8111/8168BPCIExpressGigabitEthernetcontroller(rev06)查看系统的所有网络接口#ifconfig-aeth0Linkencap:以太网硬件地址b8:97:5a:17:b3:8f.loLinkencap:本地环回.或者是iplinkshow1:lo:LOOPBACKmtu16436qdiscnoqueuestateDOWNlink/loopback00:00:00:00:00:00brd00:00:00:00:00:002:eth0:BROADCAST,MULTICAST,UP,LOWER_UPmtu1500qdiscpfifo_faststateUPqlen1000link/etherb8:97:5a:17:b3:8fbrdff:ff:ff:ff:ff:ff假如要查看某个网络接口的具体信息，例如eth0的具体参数和指标#ethtooleth0Settingsforeth0:Supportedports:TPMIISupportedlinkmodes:10baseT/Half10baseT/Full100baseT/Half100baseT/Full1000baseT/Half1000baseT/Full#支持千兆半双工，全双工形式Supportedpauseframeuse:NoSupportsauto-negotiation:Yes#支持自适应形式，一般都支持Advertisedlinkmodes:10baseT/Half10baseT/Full100baseT/Half100baseT/Full1000baseT/Half1000baseT/FullAdvertisedpauseframeuse:SymmetricReceive-onlyAdvertisedauto-negotiation:Yes#默认使用自适应形式Linkpartneradvertisedlinkmodes:10baseT/Half10baseT/Full100baseT/Half100baseT/Full.Speed:100Mb/s#如今网卡的速度是100Mb,网卡使用自适应形式，所以揣测路由是100Mb，导致网卡从支持千兆，变成要支持百兆Duplex:Full#全双工.Linkdetected:yes#表示有网线连接，和路由是通的查看Linux系统配置信息命令其他查看pci信息，即主板所有硬件槽信息。lspci00:00.0Hostbridge:IntelCorporation2ndGenerationCoreProcessorFamilyDRAMController(rev09)#主板芯片00:02.0VGAcompatiblecontroller:IntelCorporation2ndGenerationCoreProcessorFamilyIntegratedGraphicsController(rev09)#显卡00:14.0USBcontroller:IntelCorporationPantherPointUSBxHCIHostController(rev04)#usb控制器00:16.0Communicationcontroller:IntelCorporationPantherPointMEIController#1(rev04)00:1a.0USBcontroller:IntelCorporationPantherPointUSBEnhancedHostController#2(rev04)00:1b.0Audiodevice:IntelCorporationPantherPointHighDefinitionAudioController(rev04)#声卡00:1c.0PCIbridge:IntelCorporationPantherPointPCIExpressRootPort1(revc4)#pci插槽00:1c.2PCIbridge:IntelCorporationPantherPointPCIExpressRootPort3(revc4)00:1c.3PCIbridge:IntelCorporationPantherPointPCIExpressRootPort4(revc4)00:1d.0USBcontroller:IntelCorporationPantherPointUSBEnhancedHostController#1(rev04)00:1f.0ISAbridge:IntelCorporationPantherPointLPCController(rev04)00:1f.2IDEinterface:IntelCorporationPantherPoint4portSATAControllerIDEmode(rev04)#硬盘接口00:1f.3SMBus:IntelCorporationPantherPointSMBusController(rev04)00:1f.5IDEinterface:IntelCorporationPantherPoint2portSATAControllerIDEmode(rev04)#硬盘接口02:00.0Ethernetcontroller:RealtekSemiconductorCo.,Ltd.RTL8111/8168BPCIExpressGigabitEthernetcontroller(rev06)#网卡03:00.0PCIbridge:IntegratedTechnologyExpress,Inc.Device8893(rev41)假如要更具体的信息:lspci-v或者lspci-vv假如要看设备树:lscpi-t查看bios信息#dmidecode-tbios.BIOSInformationVendor:AmericanMegatrendsInc.Version:4.6.5ReleaseDate:04/25/2021.BIOSRevision:4.6.dmidecode以一种可读的方式dump出机器的DMI(DesktopManagementInterface)信息。这些信息包括了硬件以及BIOS，既能够得到当前的配置，可以以得到系统支持的最大配置，比方讲支持的最大内存数等。假如要查看所有有用信息dmidecode-q里面包含了很多硬件信息。查看Linux系统配置信息的命令我们有时候需要知道Linux系统配置的具体信息却不知道详细哪些命令。下面由学习啦我为大家整理了查看Linux系统配置信息的命令，希望对大家有帮助!查看Linux系统配置信息的命令#uname-a#查看内核/操作系统/CPU信息#head-n1/e推荐度：