Linux信息
查看CPU的相关信息
lscpu
[dzlua@ubuntu:~]$ 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) i5-8400 CPU @ 2.80GHz
Stepping: 10
CPU MHz: 2808.001
BogoMIPS: 5616.00
Hypervisor vendor: VMware
Virtualization type: full
L1d cache: 32K
L1i cache: 32K
L2 cache: 256K
L3 cache: 9216K
NUMA 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 -20
MemTotal: 2037232 kB
MemFree: 1485700 kB
Buffers: 64852 kB
Cached: 320120 kB
SwapCached: 0 kB
Active: 266920 kB
Inactive: 131304 kB
Active(anon): 13260 kB
Inactive(anon): 152 kB
Active(file): 253660 kB
Inactive(file): 131152 kB
Unevictable: 0 kB
Mlocked: 0 kB
SwapTotal: 4046844 kB
SwapFree: 4046844 kB
Dirty: 4 kB
Writeback: 0 kB
AnonPages: 13476 kB
Mapped: 6716 kB
Shmem: 164 kB
[root@dev proc]# cat /proc/meminfo
MemTotal: 2037232 kB
MemFree: 1485824 kB
Buffers: 64852 kB
Cached: 320120 kB
SwapCached: 0 kB
Active: 266904 kB
Inactive: 131304 kB
Active(anon): 13244 kB
Inactive(anon): 152 kB
Active(file): 253660 kB
Inactive(file): 131152 kB
Unevictable: 0 kB
Mlocked: 0 kB
SwapTotal: 4046844 kB
SwapFree: 4046844 kB
Dirty: 4 kB
Writeback: 0 kB
AnonPages: 13248 kB
Mapped: 6716 kB
Shmem: 164 kB
Slab: 97036 kB
SReclaimable: 34284 kB
SUnreclaim: 62752 kB
KernelStack: 2704 kB
PageTables: 1716 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 5065460 kB
Committed_AS: 64124 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 183512 kB
VmallocChunk: 34359539832 kB
HardwareCorrupted: 0 kB
AnonHugePages: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 12288 kB
DirectMap2M: 1036288 kB
DirectMap1G: 1048576 kB
[dzlua@ubuntu:~]$
查看挂接的分区状态
fdisk -l | grep Disk
[dzlua@ubuntu:~]$ fdisk -l | grep Disk
Disk /dev/sda: 107.4 GB, 107374182400 bytes
Disk identifier: 0x0008c221
Disk /dev/mapper/vg_dev-lv_root: 53.7 GB, 53687091200 bytes
Disk identifier: 0x00000000
Disk /dev/mapper/vg_dev-lv_swap: 4143 MB, 4143972352 bytes
Disk identifier: 0x00000000
Disk /dev/mapper/vg_dev-lv_home: 49.0 GB, 49014636544 bytes
Disk identifier: 0x00000000
[dzlua@ubuntu:~]$
查看硬盘和分区分布
lsblk
[dzlua@ubuntu:~]$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sr0 11:0 1 1024M 0 rom
sda 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 -hT
Filesystem 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 -a
eth1 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/devices
I: Bus=0019 Vendor=0000 Product=0001 Version=0000
N: Name="Power Button"
P: Phys=LNXPWRBN/button/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
U: Uniq=
H: Handlers=kbd event0
B: PROP=0
B: EV=3
B: KEY=10000000000000 0
I: Bus=0017 Vendor=0001 Product=0001 Version=0100
N: Name="Macintosh mouse button emulation"
P: Phys=
S: Sysfs=/devices/virtual/input/input1
U: Uniq=
H: Handlers=mouse0 event1
B: PROP=0
B: EV=7
B: KEY=70000 0 0 0 0
B: REL=3
I: Bus=0011 Vendor=0002 Product=0005 Version=0000
N: Name="ImPS/2 Generic Wheel Mouse"
P: Phys=isa0060/serio1/input0
S: Sysfs=/devices/platform/i8042/serio1/input/input2
U: Uniq=
H: Handlers=mouse1 event2
B: PROP=0
B: EV=7
B: KEY=70000 0 0 0 0
B: REL=103
I: Bus=0011 Vendor=0001 Product=0001 Version=ab41
N: Name="AT Translated Set 2 keyboard"
P: Phys=isa0060/serio0/input0
S: Sysfs=/devices/platform/i8042/serio0/input/input3
U: Uniq=
H: Handlers=kbd event3
B: PROP=0
B: EV=120013
B: KEY=402000000 3803078f800d001 feffffdfffefffff fffffffffffffffe
B: MSC=10
B: LED=7
[dzlua@ubuntu:~]$