Amazon ec2 AWS EC2:连接超时-SSH

无法通过SSH连接到我的Amazon Linux AMI，但是我可以使用相同的VPC、安全组和密钥连接到其他实例。 这些是系统日志，非常感谢您的帮助。

http…' 正在启动cloudinit:cloudinitv。0.7.6在2021年5月21日星期五13:36:30+0000运行“模块：配置”。上升7.43秒。 正在启动sshd:[确定]

Starting ntpd: [  OK  ]

Starting sendmail: [  OK  ]

Starting sm-client: [  OK  ]

Starting httpd: [  OK  ]

Starting mongod: [  OK  ]

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我的问题解决了。请按照下面的帖子检查所遵循的程序。希望它也能帮助其他人

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您试图访问的EC2实例是否在公共子网中？请使用

ssh-vvv EC2-user@IP

并向我们展示调试日志显示的内容。@JackMarchetti是的，此外，我能够连接到同一子网中的所有其他ec2实例。@JohnRotenstein无法附加完整的日志，但这里有一些调试日志。chitti@Chitranjans-MacBook Air下载%ssh-vvv ec2-user@ec2-3-7-73-34.ap-south-1.compute.amazonaws.com OpenSSH_8.1p1，LibreSSL 2.7.3 debug1：读取配置数据/etc/ssh/ssh_config debug1:/etc/ssh/ssh_config第47行：应用*debug1的选项：连接到ec2-3-7-73-34.ap-south-1.compute.amazonaws.com端口22。debug1:已建立连接。感谢您的帮助@JohnRotenstein问题已解决，请在下面查找解决方案。

Setting hostname localhost.localdomain:  [  OK  ]

Setting up Logical Volume Management: [    3.718097] random: lvm: uninitialized urandom read (4 bytes read)
  WARNING: Failed to connect to lvmetad. Falling back to device scanning.
[  OK  ]

Checking filesystems
Checking all file systems.
[  OK  ]

Remounting root filesystem in read-write mode:  [    3.759745] EXT4-fs (xvda1): re-mounted. Opts: (null)
[  OK  ]

Mounting local filesystems:  [  OK  ]

Enabling local filesystem quotas:  [  OK  ]

[    3.791456] random: dd: uninitialized urandom read (4096 bytes read)
Enabling /etc/fstab swaps:  [  OK  ]

Entering non-interactive startup
Starting LVM metadata daemon: [  OK  ]

Starting LVM poll daemon: [  OK  ]

[    3.924597] random: vgs: uninitialized urandom read (4 bytes read)
[    4.010580] NET: Registered protocol family 10
[    4.018195] Segment Routing with IPv6
Bringing up loopback interface:  [  OK  ]

Bringing up interface eth0:  
Determining IP information for eth0... done.

Determining IPv6 information for eth0... done.
[  OK  ]

Starting auditd: [  OK  ]

Starting system logger: [  OK  ]

Starting irqbalance: [  OK  ]

Starting rngd: [    5.871299] urandom_read: 1 callbacks suppressed
[    5.871300] random: rngd: uninitialized urandom read (16 bytes read)
Unable to open file: /dev/hwrng
[  OK  ]

[    5.910283] random: crng init done
Starting rpcbind: [  OK  ]

Starting NFS statd: [  OK  ]

Starting system message bus: [  OK  ]

Mounting filesystems:  [  OK  ]

Starting acpi daemon: [  OK  ]

Retrigger failed udev events--type=failed is deprecated and will be removed from a future udev release.
[  OK  ]

Starting cloud-init: Cloud-init v. 0.7.6 running 'init-local' at Fri, 21 May 2021 13:36:29 +0000. Up 6.53 seconds.
Starting cloud-init: Cloud-init v. 0.7.6 running 'init' at Fri, 21 May 2021 13:36:29 +0000. Up 6.73 seconds.
ci-info: +++++++++++++++++++++++Net device info++++++++++++++++++++++++
ci-info:  Device   Up     Address          Mask          Hw-Address    
ci-info:    lo    True   127.0.0.1      255.0.0.0            .         
ci-info:   eth0   True  172.31.10.11  255.255.240.0  0a:3b:55:e4:8b:7e 
ci-info: ++++++++++++++++++++++++++++++Route info+++++++++++++++++++++++++++++++
ci-info:  Route    Destination     Gateway        Genmask      Interface  Flags 
ci-info:    0        0.0.0.0      172.31.0.1      0.0.0.0         eth0      UG  
ci-info:    1    169.254.169.254   0.0.0.0    255.255.255.255     eth0      UH  
ci-info:    2       172.31.0.0     0.0.0.0     255.255.240.0      eth0      U   
May 21 13:36:29 cloud-init[2433]: __init__.py[WARNING]: Unhandled non-multipart (text/x-not-multipart) userdata: 'sudo yum install -y

Starting ntpd: [  OK  ]

Starting sendmail: [  OK  ]

Starting sm-client: [  OK  ]

Starting httpd: [  OK  ]

Starting mongod: [  OK  ]