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Is your EC2 instance still running, and in AWS Console does its status check show "2/2 checks passed"?
Check that the public IP address that you are trying to connect to still correct - If the EC2 has been stopped and started then its public IP address will have changed.
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AWS公式更新しました 1年前- AWS公式更新しました 1年前
I have sshd service disabled, how can I enable it?
Usually it is
sudo systemctl enable sshd; sudo systemctl start sshdDepending on your OS it may be plain
sshwithout thedon the end."Job for ssh.service failed because the control process exited with error code. See "systemctl status ssh.service" and "journalctl -xeu ssh.service" for details." - Ubuntu
Rollback any changes that have been made to the SSH config, most likely alterations to /etc/ssh/sshd_config.
On a fresh install of Ubuntu the SSH service is definitely configured correctly, which includes that file's contents.
systemctl status ssh.service × ssh.service - OpenBSD Secure Shell server Loaded: loaded (/lib/systemd/system/ssh.service; enabled; vendor preset: e> Drop-In: /usr/lib/systemd/system/ssh.service.d └─ec2-instance-connect.conf Active: failed (Result: exit-code) since Fri 2023-11-24 06:16:06 UTC; 42s > Docs: man:sshd(8) man:sshd_config(5) Process: 4734 ExecStartPre=/usr/sbin/sshd -t (code=exited, status=1/FAILURE) CPU: 12ms lines 1-9/9 (END)