一, 查看 CPU 信息
1, 查看物理 CPU 的个数
- [[email protected] data]# cat /proc/cpuinfo |grep "physical id"|sort|uniq|wc -l
- 2
2, 查看 CPU 是几核
- [[email protected] data]# cat /proc/cpuinfo |grep "cores"|uniq
- CPU cores : 2
3, 查看逻辑 CPU 的个数
- [[email protected] data]# cat /proc/cpuinfo |grep "processor"|wc -l
- 4
4, 查看 CPU 的主频
- [[email protected] data]# cat /proc/cpuinfo |grep "GHz"|uniq
- model name : Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz
5, 同时查看逻辑 CPU 个数和 CPU 核数
- [[email protected] data]# cat /proc/cpuinfo |grep name |cut -f2 -d:|uniq -c
- 4 Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz
6, 使用 lscpu 命令, 可以一次查看所有信息
- [[email protected] data]# lscpu
- Architecture: x86_64
- CPU op-mode(s): 32-bit, 64-bit
- Byte Order: Little Endian
- CPU(s): 4
- On-line CPU(s) list: 0-3
- Thread(s) per core: 1
- Core(s) per socket: 2
- Socket(s): 2
- NUMA node(s): 1
- Vendor ID: GenuineIntel
- CPU family: 6
- Model: 158
- Model name: Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz
- Stepping: 9
- CPU MHz: 4200.007
- BogoMIPS: 8400.01
- Hypervisor vendor: VMware
- Virtualization type: full
- L1d cache: 32K
- L1i cache: 32K
- L2 cache: 256K
- L3 cache: 8192K
- NUMA node0 CPU(s): 0-3
- Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss ht syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon nopl xtopology tsc_reliable nonstop_tsc eagerfpu pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 invpcid rtm mpx rdseed adx smap clflushopt xsaveopt xsavec ibpb ibrs stibp arat spec_ctrl intel_stibp arch_capabilities
二, 查看内存信息
- 1,[[email protected] data]# free -m
- total used free shared buff/cache available
- Mem: 3773 799 2245 14 728 2673
- Swap: 4095 0 4095
- 2, [[email protected] data]# cat /proc/meminfo
- MemTotal: 3863568 kB
- MemFree: 2299312 kB
- MemAvailable: 2737396 kB
- Buffers: 2120 kB
- Cached: 635396 kB
- SwapCached: 0 kB
- Active: 912192 kB
- Inactive: 379512 kB
- Active(anon): 655460 kB
- Inactive(anon): 13852 kB
- Active(file): 256732 kB
- Inactive(file): 365660 kB
- Unevictable: 0 kB
- Mlocked: 0 kB
- SwapTotal: 4194300 kB
- SwapFree: 4194300 kB
- Dirty: 0 kB
- Writeback: 0 kB
- AnonPages: 654208 kB
- Mapped: 130076 kB
- Shmem: 15124 kB
- Slab: 108236 kB
- SReclaimable: 40620 kB
- SUnreclaim: 67616 kB
- KernelStack: 10352 kB
- PageTables: 40580 kB
- NFS_Unstable: 0 kB
- Bounce: 0 kB
- WritebackTmp: 0 kB
- CommitLimit: 6126084 kB
- Committed_AS: 3977456 kB
- VmallocTotal: 34359738367 kB
- VmallocUsed: 186988 kB
- VmallocChunk: 34359310332 kB
- HardwareCorrupted: 0 kB
- AnonHugePages: 268288 kB
- CmaTotal: 0 kB
- CmaFree: 0 kB
- HugePages_Total: 0
- HugePages_Free: 0
- HugePages_Rsvd: 0
- HugePages_Surp: 0
- Hugepagesize: 2048 kB
- DirectMap4k: 126784 kB
- DirectMap2M: 4067328 kB
- DirectMap1G: 2097152 kB
三, 查看磁盘信息
1, 查看磁盘挂载信息 (常用)
- [[email protected] data]# lsblk
- NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
- sda 8:0 0 200G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 199G 0 part
├─CentOS-root 253:0 0 145G 0 lvm /
├─CentOS-swap 253:1 0 4G 0 lvm [SWAP]
└─CentOS-data 253:2 0 50G 0 lvm /data
sr0 11:0 1 1024M 0 rom
2, 查看磁盘具体信息
- [[email protected] data]# fdisk -l
- Disk /dev/sda: 214.7 GB, 214748364800 bytes, 419430400 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: 0x000a26b6
- Device Boot Start End Blocks Id System
- /dev/sda1 * 2048 2099199 1048576 83 Linux
- /dev/sda2 2099200 419430399 208665600 8e Linux LVM
- Disk /dev/mapper/CentOS-root: 155.7 GB, 155684175872 bytes, 304070656 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 /dev/mapper/CentOS-swap: 4294 MB, 4294967296 bytes, 8388608 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 /dev/mapper/CentOS-data: 53.7 GB, 53687091200 bytes, 104857600 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
四, 查看网卡信息
- [[email protected] data]# mii-tool ens33 #ens33 表示网卡名称
- ens33: negotiated 1000baseT-FD flow-control, link ok #虚拟机环境是千兆 ,link ok 表示正在连接当中
来源: http://www.bubuko.com/infodetail-3158702.html