SecureCRT cannot be used to connect to the server in Ubuntu

SecureCRT cannot be used to connect to the server in Ubuntu

Virtual Machine usage

1. Command to install the SSH server

Sudo apt-get install openssh-server

2. Enter the command

Ps | grep ssh check if the SSH service is enabled

Show that the service is enabled

3. modify configuration

Sudo vi/etc/ssh/sshd_config

Comment out the "PermitRootLogin without-password" in the configuration file and add "#", and then add "PermitRootLogin yes" to save the file, as shown in. This is done to allow the root user to log on

An error is reported when you try to connect to the scure_CRT client after saving and exiting.

 

Solution:

Enter the SSH client

For example, remove the annotator and use port 22.

Open the configuration file again, and then remove the annotator of the following two lines to enable key authentication.

It may not be copied. You can use cat to view the information and copy it in the Command window.

For example, click copy. The copy is successful.

Then, use vi/etc/ssh/sshd_config to open and modify the server configuration file. The client was previously modified. (D is the server side)

Run the reboot command to restart the VM and then enable the ssh service:

At this time, we can successfully connect.

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