Ubuntu Linux, ubuntu desktop, Linux operating system, ubuntu guide

Go System >> Preferences >> Network Connections

Once it opens you should see the following screen

In the above screen we can choose different type of network connection, i.e wired,wireless, mobile broadband, Vpn and DSL. Click the wired connection for configure the ip over DHCP and static. Select the drop down box manual and DHCP connections.

Click the add button for adding ip,netmask,GW and Dns Details 

After adding details click apply then ubuntu ask the user password for authentication.

Enter the password and select authenticate. Then it configure the ip details, For check open

the terminal and type ifconfig. Also select auto etho in task base n/w icon.

Disable waiting to enter password at SSH login in ubuntu

Add the following to /etc/ssh/sshd_config on your SSH server
UseDNS no
Then restart the ssh daemon and your pauses should be gone.