查看Linux信息

linux信息

查看cpu的相关信息

lscpu

[dzlua@home ~]$ 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@home ~]$ 

查看内存的相关信息

cat /proc/meminfo |head -20

[dzlua@home ~]$ 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@home ~]$ 

查看挂接的分区状态

fdisk -l | grep disk

[dzlua@home ~]$ 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@home ~]$ 

查看硬盘和分区分布

lsblk

[dzlua@home ~]$ 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@home ~]$ 

查看硬盘和分区分布

mount | column -t

[dzlua@home ~]$ 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@home ~]$ 

查看硬盘使用情况

df -ht

[dzlua@home ~]$ 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@home ~]$ 

查看系统的所有网络接口

ifconfig -a

[dzlua@home ~]$ 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@home ~]$ 

查看系统的键盘和鼠标

cat /proc/bus/input/devices

[dzlua@home ~]$ 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@home ~]$