Linux信息
查看CPU的相关信息
lscpu
[dzlua@ubuntu:~]$ lscpuArchitecture: x86_64CPU op-mode(s): 32-bit, 64-bitByte Order: Little EndianCPU(s): 4On-line CPU(s) list: 0-3Thread(s) per core: 1Core(s) per socket: 2Socket(s): 2NUMA node(s): 1Vendor ID: GenuineIntelCPU family: 6Model: 158Model name: Intel(R) Core(TM) i5-8400 CPU @ 2.80GHzStepping: 10CPU MHz: 2808.001BogoMIPS: 5616.00Hypervisor vendor: VMwareVirtualization type: fullL1d cache: 32KL1i cache: 32KL2 cache: 256KL3 cache: 9216KNUMA node0 CPU(s): 0-3[dzlua@ubuntu:~]$
查看内存的相关信息
cat /proc/meminfo |head -20
[dzlua@ubuntu:~]$ cat /proc/meminfo |head -20MemTotal: 2037232 kBMemFree: 1485700 kBBuffers: 64852 kBCached: 320120 kBSwapCached: 0 kBActive: 266920 kBInactive: 131304 kBActive(anon): 13260 kBInactive(anon): 152 kBActive(file): 253660 kBInactive(file): 131152 kBUnevictable: 0 kBMlocked: 0 kBSwapTotal: 4046844 kBSwapFree: 4046844 kBDirty: 4 kBWriteback: 0 kBAnonPages: 13476 kBMapped: 6716 kBShmem: 164 kB[root@dev proc]# cat /proc/meminfoMemTotal: 2037232 kBMemFree: 1485824 kBBuffers: 64852 kBCached: 320120 kBSwapCached: 0 kBActive: 266904 kBInactive: 131304 kBActive(anon): 13244 kBInactive(anon): 152 kBActive(file): 253660 kBInactive(file): 131152 kBUnevictable: 0 kBMlocked: 0 kBSwapTotal: 4046844 kBSwapFree: 4046844 kBDirty: 4 kBWriteback: 0 kBAnonPages: 13248 kBMapped: 6716 kBShmem: 164 kBSlab: 97036 kBSReclaimable: 34284 kBSUnreclaim: 62752 kBKernelStack: 2704 kBPageTables: 1716 kBNFS_Unstable: 0 kBBounce: 0 kBWritebackTmp: 0 kBCommitLimit: 5065460 kBCommitted_AS: 64124 kBVmallocTotal: 34359738367 kBVmallocUsed: 183512 kBVmallocChunk: 34359539832 kBHardwareCorrupted: 0 kBAnonHugePages: 0 kBHugePages_Total: 0HugePages_Free: 0HugePages_Rsvd: 0HugePages_Surp: 0Hugepagesize: 2048 kBDirectMap4k: 12288 kBDirectMap2M: 1036288 kBDirectMap1G: 1048576 kB[dzlua@ubuntu:~]$
查看挂接的分区状态
fdisk -l | grep Disk
[dzlua@ubuntu:~]$ fdisk -l | grep DiskDisk /dev/sda: 107.4 GB, 107374182400 bytesDisk identifier: 0x0008c221Disk /dev/mapper/vg_dev-lv_root: 53.7 GB, 53687091200 bytesDisk identifier: 0x00000000Disk /dev/mapper/vg_dev-lv_swap: 4143 MB, 4143972352 bytesDisk identifier: 0x00000000Disk /dev/mapper/vg_dev-lv_home: 49.0 GB, 49014636544 bytesDisk identifier: 0x00000000[dzlua@ubuntu:~]$
查看硬盘和分区分布
lsblk
[dzlua@ubuntu:~]$ lsblkNAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTsr0 11:0 1 1024M 0 romsda 8:0 0 100G 0 disk├─sda1 8:1 0 500M 0 part /boot└─sda2 8:2 0 99.5G 0 part ├─vg_dev-lv_root (dm-0) 253:0 0 50G 0 lvm / ├─vg_dev-lv_swap (dm-1) 253:1 0 3.9G 0 lvm [SWAP] └─vg_dev-lv_home (dm-2) 253:2 0 45.7G 0 lvm /home[dzlua@ubuntu:~]$
查看硬盘和分区分布
mount | column -t
[dzlua@ubuntu:~]$ mount | column -t/dev/mapper/vg_dev-lv_root on / type ext4 (rw)proc on /proc type proc (rw)sysfs on /sys type sysfs (rw)devpts on /dev/pts type devpts (rw,gid=5,mode=620)tmpfs on /dev/shm type tmpfs (rw,rootcontext="system_u:object_r:tmpfs_t:s0")/dev/sda1 on /boot type ext4 (rw)/dev/mapper/vg_dev-lv_home on /home type ext4 (rw)none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)[dzlua@ubuntu:~]$
查看硬盘使用情况
df -hT
[dzlua@ubuntu:~]$ df -hTFilesystem Type Size Used Avail Use% Mounted on/dev/mapper/vg_dev-lv_root ext4 50G 12G 35G 26% /tmpfs tmpfs 931M 0 931M 0% /dev/shm/dev/sda1 ext4 477M 49M 403M 11% /boot/dev/mapper/vg_dev-lv_home ext4 45G 52M 43G 1% /home[dzlua@ubuntu:~]$
查看系统的所有网络接口
ifconfig -a
[dzlua@ubuntu:~]$ ifconfig -aeth1 Link encap:Ethernet HWaddr 00:0C:29:2B:BE:E5 inet addr:192.168.5.212 Bcast:192.168.5.255 Mask:255.255.255.0 inet6 addr: fe80::20c:29ff:fe2b:bee5/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:841987 errors:0 dropped:0 overruns:0 frame:0 TX packets:184594 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:942751394 (899.0 MiB) TX bytes:99686566 (95.0 MiB)lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:75 errors:0 dropped:0 overruns:0 frame:0 TX packets:75 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:6052 (5.9 KiB) TX bytes:6052 (5.9 KiB)[dzlua@ubuntu:~]$
查看系统的键盘和鼠标
cat /proc/bus/input/devices
[dzlua@ubuntu:~]$ cat /proc/bus/input/devicesI: Bus=0019 Vendor=0000 Product=0001 Version=0000N: Name="Power Button"P: Phys=LNXPWRBN/button/input0S: Sysfs=/devices/LNXSYSTM:00/LNXPWRBN:00/input/input0U: Uniq=H: Handlers=kbd event0B: PROP=0B: EV=3B: KEY=10000000000000 0I: Bus=0017 Vendor=0001 Product=0001 Version=0100N: Name="Macintosh mouse button emulation"P: Phys=S: Sysfs=/devices/virtual/input/input1U: Uniq=H: Handlers=mouse0 event1B: PROP=0B: EV=7B: KEY=70000 0 0 0 0B: REL=3I: Bus=0011 Vendor=0002 Product=0005 Version=0000N: Name="ImPS/2 Generic Wheel Mouse"P: Phys=isa0060/serio1/input0S: Sysfs=/devices/platform/i8042/serio1/input/input2U: Uniq=H: Handlers=mouse1 event2B: PROP=0B: EV=7B: KEY=70000 0 0 0 0B: REL=103I: Bus=0011 Vendor=0001 Product=0001 Version=ab41N: Name="AT Translated Set 2 keyboard"P: Phys=isa0060/serio0/input0S: Sysfs=/devices/platform/i8042/serio0/input/input3U: Uniq=H: Handlers=kbd event3B: PROP=0B: EV=120013B: KEY=402000000 3803078f800d001 feffffdfffefffff fffffffffffffffeB: MSC=10B: LED=7[dzlua@ubuntu:~]$