Shell script to print stats about a Raspberry running pihole

pi.status.sh

# Gather system details.
dt=$(date -R)
freq=$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq)
volts=$(sudo /opt/vc/bin/vcgencmd measure_volts)
temp=$(sudo /opt/vc/bin/vcgencmd measure_temp)
gov=$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor)
up=$(uptime)

# Print System details
echo " "
echo -e "\e[42m$dt\e[0m"
echo " "
echo "$volts"
echo "$temp"
# sudo /opt/vc/bin/vcgencmd measure_clock
freq=$((freq/1000))
echo -e "CPU Governor=\e[91m$gov\e[0m"
echo -e "Current speed=\e[96m$freq MHz\e[0m"
echo " "


# Print free & used RAM

echo "RAM"
free | awk '/Mem/{printf("%.2f MB used\n"), $3/1024}'
free | awk '/Mem/{printf("%.2f MB free\n"), $4/1024}'


# print pihole status directly from pihole CLI
echo " "
pihole status
echo " "

# Check system status. 
# Requires package dnsutils on linux.
dig google.com +noall +stats +answer
echo " "

# print system uptime
echo -e "\e[101m $up \e[0m"