后来重启了电脑才能正常ssh连接ubuntu:~$free-htotal usedfreeshared buff/cache available Mem: 956Mi 334Mi 72Mi0.0Ki 549Mi 438Mi Swap:2.2Gi 620Mi1.6Gi ubuntu:~$swapon--showNAME TYPE SIZE USED PRIO /swapfilefile2G366.8M-2/dev/zram0 partition 256M253.8M100ubuntu:~$sudoswapoff-aubuntu:~$ client_loop: send disconnect: Connection reset