Linux Check Hardware and Network Commands

[quantprod@hkoffice083 network-scripts]$ ifconfig

em1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500

        inet 10.1.10.183  netmask 255.255.255.0  broadcast 10.1.10.255

        ether a4:ba:db:50:66:64  txqueuelen 1000  (Ethernet)

        RX packets 672507  bytes 156314638 (149.0 MiB)

        RX errors 0  dropped 1565  overruns 0  frame 0

        TX packets 2342106  bytes 3009870528 (2.8 GiB)

        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

em2: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500

        ether a4:ba:db:50:66:65  txqueuelen 1000  (Ethernet)

        RX packets 0  bytes 0 (0.0 B)

        RX errors 0  dropped 0  overruns 0  frame 0

        TX packets 0  bytes 0 (0.0 B)

        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536

        inet 127.0.0.1  netmask 255.0.0.0

        loop  txqueuelen 0  (Local Loopback)

        RX packets 161360  bytes 14142796 (13.4 MiB)

        RX errors 0  dropped 0  overruns 0  frame 0

        TX packets 161360  bytes 14142796 (13.4 MiB)

        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

[quantprod@hkoffice083 network-scripts]$ netstat -lntu

Active Internet connections (only servers)

Proto Recv-Q Send-Q Local Address           Foreign Address         State

tcp        0      0 0.0.0.0:15022           0.0.0.0:*               LISTEN

tcp        0      0 0.0.0.0:15023           0.0.0.0:*               LISTEN

tcp        0      0 0.0.0.0:59001           0.0.0.0:*               LISTEN

tcp        0      0 0.0.0.0:59002           0.0.0.0:*               LISTEN

tcp        0      0 0.0.0.0:8899            0.0.0.0:*               LISTEN

tcp        0      0 0.0.0.0:8900            0.0.0.0:*               LISTEN

tcp        0      0 0.0.0.0:1988            0.0.0.0:*               LISTEN

tcp        0      0 0.0.0.0:2020            0.0.0.0:*               LISTEN

udp        0      0 10.1.10.183:123         0.0.0.0:*

udp        0      0 127.0.0.1:123           0.0.0.0:*

udp        0      0 0.0.0.0:123             0.0.0.0:*

udp        0      0 0.0.0.0:55405           0.0.0.0:*

[quantprod@hkoffice083 network-scripts]$ cat ifcfg-em1

TYPE=Ethernet

BOOTPROTO=static

NAME=em1

UUID=c4d5d83d-4991-4623-9422-025804d6ca21

DEVICE=em1

ONBOOT=yes

IPADDR=10.1.10.183

NETMASK=255.255.255.0

[quantprod@hkoffice083 network-scripts]$ cat ifcfg-em2

TYPE=Ethernet

BOOTPROTO=static

NAME=em2

UUID=8fd78b3f-b8c9-48f1-9740-9d5f9feae4f2

DEVICE=em2

ONBOOT=no

IPADDR=192.168.10.50

NETMASK=255.255.255.0

[quantprod@hkoffice083 ~]$ sudo service ntpd start

Redirecting to /bin/systemctl start  ntpd.service

[quantprod@hkoffice083 ~]$ ntpq -p

     remote           refid      st t when poll reach   delay   offset  jitter

==============================================================================

*218.189.210.4   128.138.140.44   2 u    1   64    1    2.905  -18.203   1.256

 218.189.210.3   128.138.140.44   2 u    2   64    1    3.559  -17.617   0.000

[quantprod@hkoffice083 ~]$ lscpu

Architecture:          x86_64

CPU op-mode(s):        32-bit, 64-bit

Byte Order:            Little Endian

CPU(s):                16

On-line CPU(s) list:   0-15

Thread(s) per core:    2

Core(s) per socket:    4

Socket(s):             2

NUMA node(s):          2

Vendor ID:             GenuineIntel

CPU family:            6

Model:                 26

Model name:            Intel(R) Xeon(R) CPU           E5520  @ 2.27GHz

Stepping:              5

CPU MHz:               2261.120

BogoMIPS:              4521.29

Virtualization:        VT-x

L1d cache:             32K

L1i cache:             32K

L2 cache:              256K

L3 cache:              8192K

NUMA node0 CPU(s):     0,2,4,6,8,10,12,14

NUMA node1 CPU(s):     1,3,5,7,9,11,13,15

[quantprod@hkoffice083 ~]$ df -h

Filesystem      Size  Used Avail Use% Mounted on

/dev/sdd1        50G  1.5G   46G   4% /

devtmpfs         16G     0   16G   0% /dev

tmpfs            16G     0   16G   0% /dev/shm

tmpfs            16G  8.8M   16G   1% /run

tmpfs            16G     0   16G   0% /sys/fs/cgroup

/dev/sdc1       275G  363M  261G   1% /data

/dev/sdd3        54G  179M   51G   1% /usr/local

tmpfs           3.2G     0  3.2G   0% /run/user/1004

tmpfs           3.2G     0  3.2G   0% /run/user/1002

[quantprod@hkoffice083 ~]$ mount

sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)

proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)

devtmpfs on /dev type devtmpfs (rw,nosuid,size=16374724k,nr_inodes=4093681,mode=755)

securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)

tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)

devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)

tmpfs on /run type tmpfs (rw,nosuid,nodev,mode=755)

tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,mode=755)

cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/usr/lib/systemd/systemd-cgroups-agent,name=systemd)

pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)

cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpuacct,cpu)

cgroup on /sys/fs/cgroup/memory type cgroup (rw,nosuid,nodev,noexec,relatime,memory)

cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices)

cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset)

cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio)

cgroup on /sys/fs/cgroup/net_cls type cgroup (rw,nosuid,nodev,noexec,relatime,net_cls)

cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event)

cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb)

cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer)

configfs on /sys/kernel/config type configfs (rw,relatime)

/dev/sdd1 on / type ext4 (rw,noatime,data=ordered)

systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=25,pgrp=1,timeout=300,minproto=5,maxproto=5,direct)

hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime)

mqueue on /dev/mqueue type mqueue (rw,relatime)

debugfs on /sys/kernel/debug type debugfs (rw,relatime)

/dev/sdc1 on /data type ext4 (rw,noatime,data=ordered)

/dev/sdd3 on /usr/local type ext4 (rw,noatime,data=ordered)

tmpfs on /run/user/1004 type tmpfs (rw,nosuid,nodev,relatime,size=3276928k,mode=700,uid=1004,gid=1004)

tmpfs on /run/user/1002 type tmpfs (rw,nosuid,nodev,relatime,size=3276928k,mode=700,uid=1002,gid=1002)

binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,relatime)

[quantprod@hkoffice083 ~]$ free -g

              total        used        free      shared  buff/cache   available

Mem:             31           0          29           0           0          30

Swap:            31           0          31

[quantprod@hkoffice083 ~]$ cat /proc/version

Linux version 3.10.0-327.22.2.el7.x86_64 (builder@kbuilder.dev.centos.org) (gcc version 4.8.3 20140911 (Red Hat 4.8.3-9) (GCC) ) #1 SMP Thu Jun 23 17:05:11 UTC 2016

[quantprod@hkoffice083 ~]$ cat /etc/*-release

CentOS Linux release 7.2.1511 (Core)

NAME="CentOS Linux"

VERSION="7 (Core)"

ID="centos"

ID_LIKE="rhel fedora"

VERSION_ID="7"

PRETTY_NAME="CentOS Linux 7 (Core)"

ANSI_COLOR="0;31"

CPE_NAME="cpe:/o:centos:centos:7"

HOME_URL="https://www.centos.org/"

BUG_REPORT_URL="https://bugs.centos.org/"

CENTOS_MANTISBT_PROJECT="CentOS-7"

CENTOS_MANTISBT_PROJECT_VERSION="7"

REDHAT_SUPPORT_PRODUCT="centos"

REDHAT_SUPPORT_PRODUCT_VERSION="7"

CentOS Linux release 7.2.1511 (Core)

CentOS Linux release 7.2.1511 (Core)