#!/bin/bash SERVER1=parallel-server1 SERVER2=parallel-server2 SSHUSER1=vagrant SSHUSER2=vagrant SSHLOGIN1=$SSHUSER1@$SERVER1 SSHLOGIN2=$SSHUSER2@$SERVER2 echo '### Test -M (--retries to avoid false errors)' seq 1 30 | parallel -j5 --retries 3 -k -M -S $SSHLOGIN1,$SSHLOGIN2 echo 2>/dev/null seq 1 30 | parallel -j10 --retries 3 -k -M -S $SSHLOGIN1,$SSHLOGIN2 echo 2>/dev/null