我当时的印象是,在给出访问权限、密钥和AMI Id之后,打开ssh端口22 (它是linux映像)的安全组。我将能够将ec2实例作为从实例连接。但它被抛到了错误之下。Sleeping 5.Waiting for SSH to come up.Sleeping 5.Waiting for SSH to co
我在linux上玩进程和信号,下面是我用C编写的一个简单测试:#include <stdio.h>#include <mqueue.h: began sleeping for 10 seconds(138662): began sleeping for 7: done sleeping after 3 s