heyarne/README.md

## README.md

      
    Raw
  

              README.md
            
          
    Setup instructions

Use ssh to login to your uberspace account, then:
$ wget -O free-port https://gist.githubusercontent.com/heyarne/9a6325149f765151bbcceb26a835dade/raw/1f07b69e62f0c47423acb5cb912482b7d65940f0/free-port.sh
$ chmod +x free-port
$ mv free-port ~/bin
$ free-port
$ # example output: 64477


## free-port.sh
# /bin/bash
while :
do
  RAND_PORT=$(( $RANDOM % 4535 + 61000)); netstat -tulpen | grep $RAND_PORT || break
done
echo $RAND_PORT
	# /bin/bash
	while :
	do
	RAND_PORT=$(( $RANDOM % 4535 + 61000)); netstat -tulpen \| grep $RAND_PORT \|\| break
	done
	echo $RAND_PORT