主机版本信息
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.04.5 LTS
Release: 14.04
Codename: trusty
$ lsb_release -a |grep "Des"|sed 's@^.*on:@@g'
No LSB modules are available.
Ubuntu 14.04.5 LTS
$ uname
Linux
$ uname -a
Linux vagrant-ubuntu-trusty-64 3.13.0-132-generic #181-Ubuntu SMP Wed Sep 13 13:25:03 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
网络信息
$ ifconfig
eth0 Link encap:Ethernet HWaddr 08:00:27:37:62:46
inet addr:10.0.2.15 Bcast:10.0.2.255 Mask:255.255.255.0
inet6 addr: fe80::a00:27ff:fe37:6246/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1536 errors:0 dropped:0 overruns:0 frame:0
TX packets:1149 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:136779 (136.7 KB) TX bytes:129519 (129.5 KB)
eth1 Link encap:Ethernet HWaddr 08:00:27:88:cd:1e
inet addr:192.168.33.20 Bcast:192.168.33.255 Mask:255.255.255.0
inet6 addr: fe80::a00:27ff:fe88:cd1e/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:235 errors:0 dropped:0 overruns:0 frame:0
TX packets:302 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:54928 (54.9 KB) TX bytes:44008 (44.0 KB)
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:12 errors:0 dropped:0 overruns:0 frame:0
TX packets:12 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:888 (888.0 B) TX bytes:888 (888.0 B)
查看主机名
$ echo $HOSTNAME
vagrant-ubuntu-trusty-64
$ hostname
vagrant-ubuntu-trusty-64
查看用户名
$ whoami
vagrant
$ who am i
vagrant pts/0 Oct 10 02:19 (10.0.2.2)
Mac测试
$ uname
Darwin
$ hostname
<username>.local
$ uname -a
Darwin <username>.local 17.0.0 Darwin Kernel Version 17.0.0: Thu Aug 24 21:48:19 PDT 2017; root:xnu-4570.1.46~2/RELEASE_X86_64
x86_64
$ ifconfig
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
options=1203<RXCSUM,TXCSUM,TXSTATUS,SW_TIMESTAMP>
inet 127.0.0.1 netmask 0xff000000
inet6 ::1 prefixlen 128
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x1
nd6 options=201<PERFORMNUD,DAD>
gif0: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
stf0: flags=0<> mtu 1280
XHC20: flags=0<> mtu 0
... ...
PS:
测试主机：you can see, it's Ubuntu 14.04.5 LTS.
