Check host spec on Linux

#CPU Model
grep -m 1 'model name' /proc/cpuinfo | cut -d ':' -f 2 | sed 's/^[ \t]*//'
Intel(R) Xeon(R) CPU E5-2430 v2 @ 2.50GHz

#CPU Sockets
grep 'physical id' /proc/cpuinfo | sort -u | wc -l
2

#CPU Cores
grep -c processor /proc/cpuinfo
24

#Disk Space
df -Ph | awk '{print $2, $3, $4}'

#User Limits
bash -c 'ulimit -a'
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
scheduling priority             (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) 514804
max locked memory       (kbytes, -l) unlimited
max memory size         (kbytes, -m) unlimited
open files                      (-n) 51200
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
real-time priority              (-r) 0
stack size              (kbytes, -s) unlimited
cpu time               (seconds, -t) unlimited
max user processes              (-u) 4096
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited

#Memory Total
grep MemTotal /proc/meminfo | cut -d ':' -f 2 | sed 's/^[ \t]*//'
131813808 kB

#CPU Support
grep -m 1 'flags' /proc/cpuinfo | cut -d ':' -f 2 | sed 's/^\s*//'

fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm tpr_shadow vnmi flexpriority ept vpid fsgsbase smep erms xsaveopt dtherm ida arat pln pts

#Linux Distro
cat /etc/lsb-release /etc/os-release | sort -u
cat: /etc/lsb-release: No such file or directory

ANSI_COLOR="0;31"
BUG_REPORT_URL="https://bugs.centos.org/"
CENTOS_MANTISBT_PROJECT="CentOS-7"
CENTOS_MANTISBT_PROJECT_VERSION="7"
CPE_NAME="cpe:/o:centos:centos:7"
HOME_URL="https://www.centos.org/"
ID="centos"
ID_LIKE="rhel fedora"
NAME="CentOS Linux"
PRETTY_NAME="CentOS Linux 7 (Core)"
REDHAT_SUPPORT_PRODUCT="centos"
REDHAT_SUPPORT_PRODUCT_VERSION="7"
VERSION="7 (Core)"
VERSION_ID="7"

#Kernel Build
cat /proc/version
Linux version 3.10.0-693.11.6.el7.x86_64 (builder@kbuilder.dev.centos.org) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-16) (GCC) ) #1 SMP Thu Jan 4 01:06:37 UTC 2018

#glibc version
ldd --version | head -n 1
ldd (GNU libc) 2.17