While trying to install some new software in Ubuntu I was getting error

E: Unable to locate package Ubuntu

I tried updating using command sudo apt-get update

However it didnt work

sudo apt-get install anydesk_2.9.1-1_amd64.deb
Reading package lists… Done
Building dependency tree
Reading state information… Done
E: Unable to locate package anydesk_2.9.1-1_amd64.deb
E: Couldn’t find any package by glob ‘anydesk_2.9.1-1_amd64.deb’
E: Couldn’t find any package by regex ‘anydesk_2.9.1-1_amd64.deb’
home@home:~/Desktop/shraddha$ cd ..

 

You need to use command  sudo dpkg –install    filename.deb to get this installed

 

sudo dpkg –install anydesk_2.9.1-1_amd64.deb
Selecting previously unselected package anydesk.
(Reading database … 247265 files and directories currently installed.)
Preparing to unpack anydesk_2.9.1-1_amd64.deb …
Unpacking anydesk (2.9.1-1) …
Setting up anydesk (2.9.1-1) …
Processing triggers for gnome-menus (3.13.3-6ubuntu3) …
Processing triggers for desktop-file-utils (0.22-1ubuntu5) …
Processing triggers for bamfdaemon (0.5.3~bzr0+16.04.20160415-0ubuntu1) …
Rebuilding /usr/share/applications/bamf-2.index…
Processing triggers for mime-support (3.59ubuntu1) …
Processing triggers for hicolor-icon-theme (0.15-0ubuntu1) …
Processing triggers for man-db (2.7.5-1) …