Problems and Solutions for remote Linux connection using Putty

Problems and Solutions for remote Linux connection using Putty

Q: In login as: Enter the username sbd @ sbd's password: The cursor does not move. No response even if you enter the correct password?

A: Hello, It is because SSH Login is different from telnet login. As long as your password is entered correctly and the cursor is motionless, you can log on normally.

Run the command ifconfig to view the IP address of Linux (a letter different from that of ipconfig given by windows)

After the Putty software is installed, open Putty, enter the IP Port, and click OK.

Problems:

1. Access denied

The ssh service is not installed, and the ssh service is not installed by default in Ubuntu 12.04.

The result shows a NetWork error: Connection refused error.

The reason for searching the Internet is that Ubutnu12.04 does not install the SSH service by default. If you connect to ubuntu through ssh, You need to manually Install ssh-server, that is, you need to install openssh-server.

The solution is as follows:

(1) Install SSH.

SSH is not installed in Ubuntu 12.04 by default. Therefore, we first check whether SSH is installed.

Enter the command: ssh localhost in the terminal

If: connect to host localhost port 22: Connection refused appears

It indicates that no installation is required. You need to install it as follows:

1. install SSH: sudo apt-get install openssh-server

2. start the service: sudo/etc/init. d/ssh start

After the service is started, check whether the service is started properly: ps-e | grep ssh

Observed:

2261? 00:00:00 sshd

2673? 00:00:00 ssh-agent

It indicates that the startup is successful.

The ssh service has been started. If "Network error: Connection timed out" is displayed, what is the error message?

There are two possibilities: first, the SSH service on the remote server is not enabled; third, the remote host is not enabled.

If the host is enabled and the service is started, you need to restart the Linux system and then connect to the server.

Putty remote connection success !!!

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