Error while install Putty?

Hai everyone,

 when i try <b>sudo apt-get install putty</b>  in terminal it returns an error given below
nvidia@tegra-ubuntu:~$ sudo apt-get install putty
Reading package lists... Done
Building dependency tree       
Reading state information... Done
putty is already the newest version (0.67-2).
The following packages were automatically installed and are no longer required:
  apt-clone archdetect-deb containerd dmeventd dmraid dpkg-repack
  gir1.2-timezonemap-1.0 gir1.2-xkl-1.0 kpartx kpartx-boot
  libdebian-installer4 libdevmapper-event1.02.1 libdmraid1.0.0.rc16
  liblockfile-bin liblockfile1 liblvm2app2.2 liblvm2cmd2.02
  libparted-fs-resize0 libreadline5 lockfile-progs lvm2 os-prober pmount
  python3-icu python3-pam rdate runc ubiquity-casper ubiquity-ubuntu-artwork
  ubuntu-core-launcher ubuntu-fan
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 8 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] 
Setting up docker-ce (18.03.0~ce-0~ubuntu) ...
Job for docker.service failed because the control process exited with error code. See "systemctl status docker.service" and "journalctl -xe" for details.
invoke-rc.d: initscript docker, action "start" failed.
● docker.service - Docker Application Container Engine
   Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled)
   Active: activating (auto-restart) (Result: exit-code) since Tue 2018-03-27 13:54:53 IST; 10ms ago
  Process: 11752 ExecStart=/usr/bin/dockerd -H fd:// (code=exited, status=1/FAILURE)
 Main PID: 11752 (code=exited, status=1/FAILURE)

Mar 27 13:54:53 tegra-ubuntu systemd[1]: Failed to start Docker Application ....
Mar 27 13:54:53 tegra-ubuntu systemd[1]: docker.service: Unit entered failed....
Mar 27 13:54:53 tegra-ubuntu systemd[1]: docker.service: Failed with result ....
Hint: Some lines were ellipsized, use -l to show in full.
dpkg: error processing package docker-ce (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
E: Sub-process /usr/bin/dpkg returned an error code (1)

what is this error?how to fix this?

It works for me…but I’m not using docker, so it seems to be a docker issue rather than a PuTTY issue.

Why do you need putty for ubuntu? Just use your terminal and use ssh.

nvidia@tegra-ubuntu:~$ ssh