查看Linux服务器配置信息

1、查看当前系统版本信息

linux09@5-3:~$ cat /etc/os-release
NAME="Ubuntu"
VERSION="18.04.3 LTS (Bionic Beaver)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 18.04.3 LTS"
VERSION_ID="18.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=bionic
UBUNTU_CODENAME=bionic

linux09@5-3:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 18.04.3 LTS
Release:        18.04
Codename:       bionic
linux09@5-3:~$ uname -r
4.15.0-213-generic

2、查看当前系统CPU信息

linux09@5-3:~$ lscpu
Architecture:        x86_64
CPU op-mode(s):      32-bit, 64-bit
Byte Order:          Little Endian
CPU(s):              64
On-line CPU(s) list: 0-63
Thread(s) per core:  1
Core(s) per socket:  1
Socket(s):           64
NUMA node(s):        1
Vendor ID:           GenuineIntel
CPU family:          6
Model:               85
Model name:          Intel Xeon Processor (Skylake)
Stepping:            4
CPU MHz:             2194.842
BogoMIPS:            4389.68
Hypervisor vendor:   KVM
Virtualization type: full
L1d cache:           32K
L1i cache:           32K
L2 cache:            4096K
L3 cache:            16384K
NUMA node0 CPU(s):   0-63
Flags:               fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology cpuid tsc_known_freq 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 invpcid_single pti fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm mpx avx512f avx512dq rdseed adx smap clflushopt clwb avx512cd avx512bw avx512vl xsaveopt xsavec xgetbv1 arat

3、查看当前系统内存配置

linux09@5-3:~$ free -h
              total        used        free      shared  buff/cache   available
Mem:           125G        4.0G        4.9G         38M        117G        120G
Swap:            0B          0B          0B

linux09@5-3:~$ vmstat -s
    132017808 K total memory
      4208080 K used memory
     65661736 K active memory
     38230376 K inactive memory
      5083568 K free memory
     34947308 K buffer memory
     87778848 K swap cache
            0 K total swap
            0 K used swap
            0 K free swap
   2099335016 non-nice user cpu ticks
   1604351128 nice user cpu ticks
    623437028 system cpu ticks
 103531225637 idle cpu ticks
    411622039 IO-wait cpu ticks
            0 IRQ cpu ticks
      7344374 softirq cpu ticks
    282848037 stolen cpu ticks
  67183214484 pages paged in
 112610265068 pages paged out
            0 pages swapped in
            0 pages swapped out
   3994572844 interrupts
   1703174947 CPU context switches
   1755738523 boot time
    859173872 forks

4、查看当前系统网卡信息

linux09@5-3:~$ ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether fa:16:3e:66:7e:1a brd ff:ff:ff:ff:ff:ff
    inet 192.168.238.78/24 brd 192.168.238.255 scope global ens3
       valid_lft forever preferred_lft forever
    inet6 fe80::f816:3eff:fe66:7e1a/64 scope link
       valid_lft forever preferred_lft forever


linux09@5-3:~$ ip route
default via 192.168.238.254 dev ens3
169.254.169.254 via 192.168.238.2 dev ens3
192.168.238.0/24 dev ens3 proto kernel scope link src 192.168.238.78