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du -c --max-depth=1 | sort -rn

brew uninstall node
brew update
brew upgrade
brew cleanup
brew install node
sudo chown -R $(whoami) /usr/local
brew link --overwrite node
brew postinstall node

SERVER_PORT=8081 yarn run dev:helium

sudo npm install -g node-jq --unsafe-perm=true --allow-root

fdisk -l
lsblk
sudo file -s /dev/xvdf1
sudo mount /dev/xvdf1 /mount_point 

echo kern.maxfiles=65536 | sudo tee -a /etc/sysctl.conf
echo kern.maxfilesperproc=65536 | sudo tee -a /etc/sysctl.conf
sudo sysctl -w kern.maxfiles=65536
sudo sysctl -w kern.maxfilesperproc=65536
ulimit -n 65536

lsof -n -i4TCP:8080 | grep LISTEN

cat /etc/*release

lsb_release -a

#!/bin/bash
for file in /etc/*
do
	if [ "${file}" == "/etc/resolv.conf" ]
	then
		countNameservers=$(grep -c nameserver /etc/resolv.conf)
		echo "Total  ${countNameservers} nameservers defined in ${file}"
		break
	fi
done

grep -rnw '/path/to/somewhere/' -e 'pattern'
find . -maxdepth 2 -name config.xml -exec grep 'H/15' {} +

cp -avr dirA dirB

#Linux Commands Cheat Sheet