监控体系准备工作

#! /bin/bash
# Check OS Type
os=$(uname -o)
echo -e $os

# Check OS Release Version and Name
cat /etc/os-release | grep ‘NAME\|VERSION‘ | grep -v ‘VERSION_ID‘ | grep -v ‘PRETTY_NAME‘ > /tmp/osrelease
cat /tmp/osrelease | grep -v "VERSION" | cut -f2 -d\"
cat /tmp/osrelease | grep -v "NAME" | cut -f2 -d\"

# Check Architecture
architecture=$(uname -m)
echo -e $architecture

# Check Kernel Release
kernelrelease=$(uname -r)
echo -e $kernelrelease

# Check hostname
echo -e $HOSTNAME

# Check Internal IP
internalip=$(hostname -I)
echo -e $internalip

# Check External IP
externalip=$(curl -s ipecho.net/plain;echo)
echo -e $externalip

# Check DNS
nameservers=$(cat /etc/resolv.conf | sed ‘1 d‘ | awk ‘{print $2}‘)
echo -e $nameservers 

# Check Logged In Users
who>/tmp/who
echo -e && cat /tmp/who 

# Check RAM and SWAP Usages
free -h | grep -v + > /tmp/ramcachecat /tmp/ramcache | grep -v "Swap"
cat /tmp/ramcache | grep -v "Mem"

# Check Disk Usages
df -h | grep ‘/dev/‘

# Check Load Average
loadaverage=$(top -n 1 -b | grep "load average:" | awk -F ‘,‘ ‘{print $4 $5 $6}‘)
echo -e $loadaverage

# Check System Uptime
tecuptime=$(uptime | awk ‘{print $3,$4}‘ | cut -f1 -d,)
echo -e $tecuptime

# Unset Variables
unset tecreset os architecture kernelrelease internalip externalip nameserver loadaverage

# Remove Temporary Files
rm /tmp/osrelease /tmp/who /tmp/ramcache /tmp/diskusage