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这篇文章将为大家详细讲解有关Linux如何查看服务器硬件信息，小编觉得挺实用的，因此分享给大家做个参考，希望大家阅读完这篇文章后可以有所收获。
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Linux是一种免费使用和自由传播的类UNIX操作系统，是一个基于POSIX的多用户、多任务、支持多线程和多CPU的操作系统，使用Linux能运行主要的Unix工具软件、应用程序和网络协议。
查看服务器型号、序列号
root@zhangdaifu# dmidecode -s system-serial-number root@zhangdaifu# dmidecode -t system | grep -i 'serial number' Serial Number: 818123456 root@zhangdaifu# dmidecode -t system | grep -i 'System information' -A9 | egrep -i 'manufacturer|product|sial' Manufacturer: Inspur Product Name: SA5112M4
查看主板型号
root@zhangdaifu# dmidecode | grep -i -A16 'System information$' System Information Manufacturer: Inspur Product Name: SA5112M4 Version: 01 Serial Number: 818123456 UUID: 7A61462A-D45E-11E8-8FB4-013865DCAE00 Wake-up Type: Power Switch SKU Number: Default string Family: Default string Handle 0x0002, DMI type 2, 15 bytes Base Board Information Manufacturer: Inspur Product Name: YZMB-00370-102 Version: SA5112M4 Serial Number: MBJ824S20187B70 Asset Tag: 818123456
查看BIOS信息
root@zhangdaifu# dmidecode 3.0 Getting SMBIOS data from sysfs. SMBIOS 3.0 present. Handle 0x0000, DMI type 0, 24 bytes BIOS Information Vendor: American Megatrends Inc. Version: 4.1.16 Release Date: 06/21/2018 Address: 0xF0000 Runtime Size: 64 kB ROM Size: 8192 kB Characteristics: PCI is supported BIOS is upgradeable BIOS shadowing is allowed Boot from CD is supported Selectable boot is supported BIOS ROM is socketed EDD is supported 5.25"/1.2 MB floppy services are supported (int 13h) 3.5"/720 kB floppy services are supported (int 13h) 3.5"/2.88 MB floppy services are supported (int 13h) Print screen service is supported (int 5h) Serial services are supported (int 14h) Printer services are supported (int 17h) ACPI is supported USB legacy is supported BIOS boot specification is supported Targeted content distribution is supported UEFI is supported BIOS Revision: 5.6 Handle 0x006F, DMI type 13, 22 bytes BIOS Language Information Language Description Format: Long Installable Languages: 1 en|US|iso8859-1 Currently Installed Language: en|US|iso8859-1
查看pci信息，即主板所有硬件槽信息
root@zhangdaifu# lspci | head -10 00:00.0 Host bridge: Intel Corporation Xeon E7 v4/Xeon E5 v4/Xeon E3 v4/Xeon D DMI2 (rev 01) 00:01.0 PCI bridge: Intel Corporation Xeon E7 v4/Xeon E5 v4/Xeon E3 v4/Xeon D PCI Express Root Port 1 (rev 01) 00:01.1 PCI bridge: Intel Corporation Xeon E7 v4/Xeon E5 v4/Xeon E3 v4/Xeon D PCI Express Root Port 1 (rev 01) 00:02.0 PCI bridge: Intel Corporation Xeon E7 v4/Xeon E5 v4/Xeon E3 v4/Xeon D PCI Express Root Port 2 (rev 01) 00:02.2 PCI bridge: Intel Corporation Xeon E7 v4/Xeon E5 v4/Xeon E3 v4/Xeon D PCI Express Root Port 2 (rev 01) 00:03.0 PCI bridge: Intel Corporation Xeon E7 v4/Xeon E5 v4/Xeon E3 v4/Xeon D PCI Express Root Port 3 (rev 01) 00:03.2 PCI bridge: Intel Corporation Xeon E7 v4/Xeon E5 v4/Xeon E3 v4/Xeon D PCI Express Root Port 3 (rev 01) 00:04.0 System peripheral: Intel Corporation Xeon E7 v4/Xeon E5 v4/Xeon E3 v4/Xeon D Crystal Beach DMA Channel 0 (rev 01) 00:04.1 System peripheral: Intel Corporation Xeon E7 v4/Xeon E5 v4/Xeon E3 v4/Xeon D Crystal Beach DMA Channel 1 (rev 01) 00:04.2 System peripheral: Intel Corporation Xeon E7 v4/Xeon E5 v4/Xeon E3 v4/Xeon D Crystal Beach DMA Channel 2 (rev 01)
查看cpu型号
root@zhangdaifu# grep name /proc/cpuinfo | cut -f2 -d: | uniq -c 56 Intel(R) Xeon(R) CPU E5-2680 v4 @ 2.40GHz
查看系统中实际物理CPU的数量（物理）
root@zhangdaifu# grep 'physical id' /proc/cpuinfo | sort | uniq | wc -l 2
系统中实际物理CPU的数量（核数）
root@zhangdaifu# grep 'processor' /proc/cpuinfo | wc -l 56
查看每个物理CPU中core的个数（即核数）
root@zhangdaifu# grep "cores" /proc/cpuinfo | uniq cpu cores : 14
查看CPU的主频
root@zhangdaifu# grep -i MHz /proc/cpuinfo | uniq cpu MHz : 2899.781 cpu MHz : 2900.156 cpu MHz : 2899.593 cpu MHz : 2899.687 cpu MHz : 2900.156 cpu MHz : 2899.968 cpu MHz : 2900.156 cpu MHz : 2899.875 cpu MHz : 2899.968 cpu MHz : 2899.781 cpu MHz : 2899.968 cpu MHz : 2899.781 cpu MHz : 2899.968 cpu MHz : 2899.781 cpu MHz : 2899.875 cpu MHz : 2899.968 cpu MHz : 2899.875 cpu MHz : 2899.781 cpu MHz : 2901.281 cpu MHz : 2900.062 cpu MHz : 2899.968 cpu MHz : 2898.187 cpu MHz : 2901.187 cpu MHz : 2900.156 cpu MHz : 2899.781 cpu MHz : 2899.687 cpu MHz : 2899.968 cpu MHz : 2899.687 cpu MHz : 2899.968 cpu MHz : 2900.156 cpu MHz : 2899.968 cpu MHz : 2900.250 cpu MHz : 2899.968 cpu MHz : 2899.875 cpu MHz : 2899.968 cpu MHz : 2899.875 cpu MHz : 2899.218 cpu MHz : 2899.687 cpu MHz : 2900.812 cpu MHz : 2899.687 cpu MHz : 2899.875 cpu MHz : 2899.968 cpu MHz : 2899.218 cpu MHz : 2900.812 cpu MHz : 2899.968 cpu MHz : 2899.593 cpu MHz : 2899.781
查看CPU的详细信息
root@zhangdaifu# head -26 /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 79 model name : Intel(R) Xeon(R) CPU E5-2680 v4 @ 2.40GHz stepping : 1 microcode : 0xb00002e cpu MHz : 2899.781 cache size : 35840 KB physical id : 0 siblings : 28 core id : 0 cpu cores : 14 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 20 wp : yes 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 pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 ds_cpl vmx smx est tm2 ssse3 fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb cat_l3 cdp_l3 intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts bogomips : 4788.94 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management:
AND
root@zhangdaifu# lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 56 On-line CPU(s) list: 0-55 Thread(s) per core: 2 Core(s) per socket: 14 Socket(s): 2 NUMA node(s): 2 Vendor ID: GenuineIntel CPU family: 6 Model: 79 Model name: Intel(R) Xeon(R) CPU E5-2680 v4 @ 2.40GHz Stepping: 1 CPU MHz: 2900.062 CPU max MHz: 3300.0000 CPU min MHz: 1200.0000 BogoMIPS: 4788.94 Virtualization: VT-x L1d cache: 32K L1i cache: 32K L2 cache: 256K L3 cache: 35840K NUMA node0 CPU(s): 0-13,28-41 NUMA node1 CPU(s): 14-27,42-55 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 pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 ds_cpl vmx smx est tm2 ssse3 fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb cat_l3 cdp_l3 intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts
查看cpu运行模式
root@zhangdaifu# getconf LONG_BIT 64
查看cpu是否支持64bit
root@zhangdaifu# grep flags /proc/cpuinfo | grep ' lm ' | wc -l
查看内存硬件信息
root@zhangdaifu# dmidecode -t memory | head -45 | tail -23 Locator: CHA_0 Bank Locator: A1_Node0_Channel0_Dimm0 Type: DDR4 Type Detail: Synchronous Speed: 2400 MHz Manufacturer: Samsung Serial Number: 391D9CB4 Asset Tag: CHA_0_AssetTag Part Number: M393A2K40BB1-CRC Rank: 1 Configured Clock Speed: 2400 MHz Minimum Voltage: 1.2 V Maximum Voltage: 1.2 V Configured Voltage: 1.2 V Handle 0x003A, DMI type 17, 40 bytes Memory Device Array Handle: 0x0036 Error Information Handle: Not Provided Total Width: Unknown Data Width: Unknown Size: No Module Installed Form Factor: Unknown
查看已使用的内存槽位
root@zhangdaifu# dmidecode -t memory | grep -i 'Locator' | grep -v -i 'Bank' | grep -v -i 'no' Locator: CHA_0 Locator: CHB_0 Locator: CHC_0 Locator: CHD_0 Locator: CHE_0 Locator: CHF_0 Locator: CHG_0 Locator: CHH_0
最大支持多少内存
root@zhangdaifu# dmidecode | grep -P 'Maximum\s+Capacity' Maximum Capacity: 256 GB Maximum Capacity: 256 GB Maximum Capacity: 256 GB Maximum Capacity: 256 GB
查看内存的插槽数,已经使用多少插槽.每条内存多大
root@zhangdaifu# dmidecode -t memory | grep -A5 -i 'memory device' | grep Size | grep -iv range Size: 16384 MB Size: No Module Installed Size: 16384 MB Size: No Module Installed Size: 16384 MB Size: No Module Installed Size: 16384 MB Size: No Module Installed Size: 16384 MB Size: No Module Installed Size: 16384 MB Size: No Module Installed Size: 16384 MB Size: No Module Installed Size: 16384 MB Size: No Module Installed
查看内存的频率
root@zhangdaifu# dmidecode | grep -A16 -i "Memory Device" | grep -i 'Speed' Speed: 2400 MHz Speed: Unknown Speed: 2400 MHz Speed: Unknown Speed: 2400 MHz Speed: Unknown Speed: 2400 MHz Speed: Unknown Speed: 2400 MHz Speed: Unknown Speed: 2400 MHz Speed: Unknown Speed: 2400 MHz Speed: Unknown Speed: 2400 MHz Speed: Unknown
查看内存的详细信息
root@zhangdaifu# cat /proc/meminfo MemTotal: 131716456 kB MemFree: 128926560 kB MemAvailable: 129823072 kB Buffers: 139584 kB Cached: 1060328 kB SwapCached: 0 kB Active: 299052 kB Inactive: 967756 kB Active(anon): 72860 kB Inactive(anon): 11760 kB Active(file): 226192 kB Inactive(file): 955996 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 0 kB SwapFree: 0 kB Dirty: 32 kB Writeback: 0 kB AnonPages: 67424 kB Mapped: 30548 kB Shmem: 17632 kB Slab: 423604 kB SReclaimable: 340432 kB SUnreclaim: 83172 kB KernelStack: 10160 kB PageTables: 3836 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 65858228 kB Committed_AS: 1228180 kB VmallocTotal: 34359738367 kB VmallocUsed: 520712 kB VmallocChunk: 34291843068 kB HardwareCorrupted: 0 kB AnonHugePages: 6144 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 201200 kB DirectMap2M: 5945344 kB DirectMap1G: 130023424 kB
查看内存使用信息
root@zhangdaifu# free -m total used free shared buff/cache available Mem: 128629 1132 124977 17 2519 126784 Swap: 0 0 0 0 0
查看硬盘和分区信息
root@zhangdaifu# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 279.4G 0 disk ├─sda1 8:1 0 476M 0 part /boot ├─sda2 8:2 0 48G 0 part / └─sda3 8:3 0 231G 0 part /home sdb 8:16 0 1.8T 0 disk /mnt/disk1
AND
root@zhangdaifu# fdisk -l Disk /dev/sda: 300.0 GB, 300000000000 bytes, 585937500 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk label type: dos Disk identifier: 0xd8f7f38b Device Boot Start End Blocks Id System /dev/sda1 * 2048 976895 487424 83 Linux /dev/sda2 976896 101562367 50292736 83 Linux /dev/sda3 101562368 585936895 242187264 83 Linux Disk /dev/sdb: 2000.4 GB, 2000398934016 bytes, 3907029168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes -- root@zhangdaifu# fdisk -l | grep -i 'disk' Disk /dev/sda: 300.0 GB, 300000000000 bytes, 585937500 sectors Disk label type: dos Disk identifier: 0xd8f7f38b Disk /dev/sdb: 2000.4 GB, 2000398934016 bytes, 3907029168 sectors Disk /dev/sdc: 4027 MB, 4027580416 bytes, 7866368 sectors Disk label type: dos Disk identifier: 0x26ae26ad
查看挂载分区状态
root@zhangdaifu# mount | column -t sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime) proc on /proc type proc (rw,nosuid,nodev,noexec,relatime) devtmpfs on /dev type devtmpfs (rw,nosuid,size=65833276k,nr_inodes=16458319,mode=755) securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime) tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev) devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000) tmpfs on /run type tmpfs (rw,nosuid,nodev,mode=755) tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,mode=755) cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/usr/lib/systemd/systemd-cgroups-agent,name=systemd) pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime) cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio) cgroup on /sys/fs/cgroup/pids type cgroup (rw,nosuid,nodev,noexec,relatime,pids) cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices) cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup (rw,nosuid,nodev,noexec,relatime,net_prio,net_cls) cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpuacct,cpu) cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset) cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event) cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb) cgroup on /sys/fs/cgroup/memory type cgroup (rw,nosuid,nodev,noexec,relatime,memory) cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer) configfs on /sys/kernel/config type configfs (rw,relatime) /dev/sda2 on / type ext4 (rw,noatime,nobarrier,data=ordered) systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=25,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=46109) debugfs on /sys/kernel/debug type debugfs (rw,relatime) mqueue on /dev/mqueue type mqueue (rw,relatime) hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime) /dev/sdb on /mnt/disk1 type xfs (rw,noatime,attr2,nobarrier,inode64,noquota) /dev/sda1 on /boot type ext4 (rw,noatime,nobarrier,data=ordered) /dev/sda3 on /home type ext4 (rw,noatime,nobarrier,data=ordered) binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,relatime) tmpfs on /run/user/1102 type tmpfs (rw,nosuid,nodev,relatime,size=13171648k,mode=700,uid=1102,gid=1102) tmpfs on /run/user/0 type tmpfs (rw,nosuid,nodev,relatime,size=13171648k,mode=700)
查看硬盘使用情况
root@zhangdaifu# df -hT Filesystem Type Size Used Avail Use% Mounted on /dev/sda2 ext4 47G 2.5G 43G 6% / devtmpfs devtmpfs 63G 0 63G 0% /dev tmpfs tmpfs 63G 0 63G 0% /dev/shm tmpfs tmpfs 63G 18M 63G 1% /run tmpfs tmpfs 63G 0 63G 0% /sys/fs/cgroup /dev/sdb xfs 1.9T 21G 1.8T 2% /mnt/disk1 /dev/sda1 ext4 453M 178M 249M 42% /boot /dev/sda3 ext4 227G 254M 215G 1% /home tmpfs tmpfs 13G 0 13G 0% /run/user/1102 tmpfs tmpfs 13G 0 13G 0% /run/user/0
查看网卡硬件信息
root@zhangdaifu# lspci | grep -i 'eth' 01:00.0 Ethernet controller: Intel Corporation I350 Gigabit Network Connection (rev 01) 01:00.1 Ethernet controller: Intel Corporation I350 Gigabit Network Connection (rev 01) 07:00.0 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connection (rev 01) 07:00.1 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connection (rev 01)
查看系统的所有网络接口