Hi,

You can install open ssh on Ubuntu 16.04 LTS using following command:

sudo apt-get install openssh-server

You can check the status of sever with following command:

sudo service ssh status

open ssh configuration file is present at /etc/ssh/sshd_config and vi editor can be used to edit it:

vi /etc/ssh/sshd_config

Here is the full log of open ssh installation on Ubuntu 16.04?

root@deepakub16:/home/deepak# ssh localhost
ssh: connect to host localhost port 22: Connection refused
root@deepakub16:/home/deepak# sudo apt-get install openssh-server
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages were automatically installed and are no longer required:
  linux-headers-4.4.0-21 linux-headers-4.4.0-21-generic
  linux-image-4.4.0-21-generic linux-image-extra-4.4.0-21-generic
Use 'sudo apt autoremove' to remove them.
The following additional packages will be installed:
  ncurses-term openssh-sftp-server ssh-import-id
Suggested packages:
  ssh-askpass rssh molly-guard monkeysphere
The following NEW packages will be installed:
  ncurses-term openssh-server openssh-sftp-server ssh-import-id
0 upgraded, 4 newly installed, 0 to remove and 192 not upgraded.
Need to get 636 kB of archives.
After this operation, 5,145 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://in.archive.ubuntu.com/ubuntu xenial/main amd64 ncurses-term all 6.0+20160213-1ubuntu1 [249 kB]
Get:2 http://in.archive.ubuntu.com/ubuntu xenial-updates/main amd64 openssh-sftp-server amd64 1:7.2p2-4ubuntu1 [38.8 kB]
Get:3 http://in.archive.ubuntu.com/ubuntu xenial-updates/main amd64 openssh-server amd64 1:7.2p2-4ubuntu1 [338 kB]
Get:4 http://in.archive.ubuntu.com/ubuntu xenial/main amd64 ssh-import-id all 5.5-0ubuntu1 [10.2 kB]
Fetched 636 kB in 3s (159 kB/s)           
Preconfiguring packages ...
Selecting previously unselected package ncurses-term.
(Reading database ... 242239 files and directories currently installed.)
Preparing to unpack .../ncurses-term_6.0+20160213-1ubuntu1_all.deb ...
Unpacking ncurses-term (6.0+20160213-1ubuntu1) ...
Selecting previously unselected package openssh-sftp-server.
Preparing to unpack .../openssh-sftp-server_1%3a7.2p2-4ubuntu1_amd64.deb ...
Unpacking openssh-sftp-server (1:7.2p2-4ubuntu1) ...
Selecting previously unselected package openssh-server.
Preparing to unpack .../openssh-server_1%3a7.2p2-4ubuntu1_amd64.deb ...
Unpacking openssh-server (1:7.2p2-4ubuntu1) ...
Selecting previously unselected package ssh-import-id.
Preparing to unpack .../ssh-import-id_5.5-0ubuntu1_all.deb ...
Unpacking ssh-import-id (5.5-0ubuntu1) ...
Processing triggers for man-db (2.7.5-1) ...
Processing triggers for systemd (229-4ubuntu6) ...
Processing triggers for ureadahead (0.100.0-19) ...
Processing triggers for ufw (0.35-0ubuntu2) ...
Setting up ncurses-term (6.0+20160213-1ubuntu1) ...
Setting up openssh-sftp-server (1:7.2p2-4ubuntu1) ...
Setting up openssh-server (1:7.2p2-4ubuntu1) ...
Creating SSH2 RSA key; this may take some time ...
2048 SHA256:mn7h3dbLueUIk426A9FVvIxzDh/eN1qwAJbYHBqkaVM root@deepakub16 (RSA)
Creating SSH2 DSA key; this may take some time ...
1024 SHA256:mBJzXEEj26YQZL/4m5JelDFNkp3VSSIq2CysFY0AQ0g root@deepakub16 (DSA)
Creating SSH2 ECDSA key; this may take some time ...
256 SHA256:7NL5Ccs6xwwwjLBLp9y/gbqGs0j51vaUmD7Es2Ce2+s root@deepakub16 (ECDSA)
Creating SSH2 ED25519 key; this may take some time ...
256 SHA256:9V+soLIQpThNWVfbslKLreFjnr9/Z09Y3GJbqijtiT8 root@deepakub16 (ED25519)
Setting up ssh-import-id (5.5-0ubuntu1) ...
Processing triggers for systemd (229-4ubuntu6) ...
Processing triggers for ureadahead (0.100.0-19) ...
Processing triggers for ufw (0.35-0ubuntu2) ...
root@deepakub16:/home/deepak# sudo service ssh status
? ssh.service - OpenBSD Secure Shell server
   Loaded: loaded (/lib/systemd/system/ssh.service; enabled; vendor preset: enab
   Active: active (running) since Fri 2016-07-22 18:20:51 IST; 26s ago
 Main PID: 3263 (sshd)
   CGroup: /system.slice/ssh.service
           +-3263 /usr/sbin/sshd -D

Jul 22 18:20:51 deepakub16 systemd[1]: Starting OpenBSD Secure Shell server...
Jul 22 18:20:51 deepakub16 sshd[3263]: Server listening on 0.0.0.0 port 22.
Jul 22 18:20:51 deepakub16 sshd[3263]: Server listening on :: port 22.
Jul 22 18:20:51 deepakub16 systemd[1]: Started OpenBSD Secure Shell server.

Thanks

Check following video:

Thanks