How to Install Synaptic Package Manager on Kali Linux
First open a Terminal window.
If you’re not logged in as root type su to become root. You can also preface the next statement with sudo for the same effect.
Next run apt-get update to update the package list.
Then the important bit, run apt-get install synaptic.
Press Y and the installation begins. Once the installation is complete you’ll see the terminal prompt.
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Once installation is complete you can find LibreOffice on the Applications menu or on the quick launch bar.
When you fire up Synaptic it will take a moment to scan the repositories and packages. Finally, the main Synaptic window appears.
Notice that there are more than 48000 available packages in the list. That’s why I have rarely been unable to locate a package that meets my needs. I recommend that you click the Search button on the toolbar instead of navigating the menus. It will save you a lot of scrolling time and let you get back to hacking faster.