我如何并行执行“for"?在 Bash 中循环? [英] How can I execute parallel "for" loops in Bash?

问题描述

我一直在尝试并行化以下脚本，特别是 for 循环.我该怎么做?

I have been trying to parallelize the following script, specifically the for loop. How can I do that?

#!/bin/bash
for i in `cat /root/vms`;
do
    /usr/bin/sshpass -p 'test' /usr/bin/ssh -o StrictHostKeyChecking=no 
        -l testuser $i -t 'echo test | sudo -S yum update -y'
done

推荐答案

替换

/usr/bin/sshpass ...

与

/usr/bin/sshpass ... &

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