Fix - quick search box not visible in synaptic package manager.
Problem I like to install software using synaptic package manager rather than using Ubuntu software center or using gnome software center . Recently I have noticed that the quick search or filter box is disapeared from the top bar of the synaptic package manager. I this post I will discuss how to get the quick filter box back. Solution The quick serch box is provided by the package apt-xapian-index , and it does not installed by default with synaptic since it is in the recomended dependency list. So to solve the problem, we just have to installed the package and rebuld the search index. To install the package, run the following command in terminal sudo apt install apt-xapian-index After installing the package, we have to rebuild the search index, which we can do by running the following command in the terminal. sudo update-apt-xapian-index -vf Now if you lunch the Synaptic Package Manager , we can see that the quick search box is there, and if we type anyth