Before proceeding with the installation make sure you have gdebi installed on your system ; it can be easily installed via terminal (ctrl+alt+t) by using the command :
sudo apt install gdebi
Navigate to the location of the .deb and install it by right click > Open With > Gdebi Package Installer .
After installation LinSSID can be opened from Unity Dash .
Angry IP Scanner (or simply ipscan) is an open-source and cross-platform network scanner designed to be fast and simple to use. It scans IP addresses and ports . In order to install Angry IP Scanner we need to download the .deb file from here. Locate the downloaded .deb and install it by right click > Open With > Gdebi Package Installer.
Once installed the tool can be launched from Dash.