SSH remote connection issues

Troubleshooting methods

What do I do if I cannot connect to a Linux instance?

Common issues and solutions

Common instance logon issues and solutions

• Workbench-based logon issues

  • How to troubleshoot connection timeout errors

  • How do I resolve the 'Logon failed. Password-based logon is unavailable.' error?

  • How do I resolve the error: 'Instance logon failed. Reason: Incorrect username or password.'?

  • What do I do if the "DefaultConnectFuture[root@/xxx.xxx.xx.xxx:22]: Failed (AnnotatedConnectException) to execute: Connection refused: /xxx.xxx.xx.xxx:22" error message appears when I use Workbench to connect to a Linux instance?

• SSH client-based logon issues

  • How do I resolve an "Access denied" error?

  • How do I resolve the "Permission denied, please try again" error?

  • What do I do if the "ssh_exchange_identification: read: Connection reset by peer" error message appears when I connect to a Linux instance from an SSH client?

  • Resolve the "No supported authentication methods available" error when connecting to a Linux instance

  • How to resolve the 'Too many authentication failures' error

  • How to resolve the "Host key verification failed" error

  • What do I do if the "error: Unable to load host key: /etc/ssh/ssh_host_rsa_key" error message appears when I connect to a Linux using an SSH client?

  • What should I do if I receive the "Maximum amount of failed attempts was reached" error?

  • What do I do if the "could not set limit for 'nofile': Operation not permitted" error message appears?

  • What do I do if I receive the 'This account is currently not available.' error?

  • How do I resolve the error "fatal: mm_request_send: write: Broken pipe"?

• SFTP client-based logon issues

  • Resolving the "Received unexpected end-of-file from SFTP server" error

• Other

  • What do I do if I cannot connect to an ECS instance using SSH or Workbench due to incorrect port configurations?

  • What do I do if I cannot connect to a Linux instance because SSH is not started?

  • What can you do if you cannot log on to a Linux instance after enabling Pluggable Authentication Modules (PAM)?

  • What do I do if I cannot use the root user and the new password to log on to a Linux instance after I change the password of the root user?

SSH startup issues and solutions

• What do I do if I cannot connect to an ECS instance due to an sshd configuration error?

• How do I resolve the error "error while loading shared libraries" when starting the SSH service?

• Resolve the 'fatal: Cannot bind any address' error when starting the SSH service on a Linux ECS instance

• Resolve 'Bad configuration options' error when SSH fails to start

• What do I do if the "Failed to start OpenSSh server daemon" error message appears when I start the SSH service?

• What do I do if the "must be owned by root and not group or world-writable" error message appears when I start the SSH service on a Linux ECS instance?

• What can I do if the SSH service fails to start without an error message?

Other issues and solutions

• Keep processes running on Linux after an SSH disconnect

• What do I do if the logon is stuck when I connect to a Linux instance?

• What do I do if the SSH logon or data transfer is slow on a Linux instance?

• Resolve the "passwd: Module is unknown" error when I try to change the password of a Linux instance