apt

Using APT - Advanced Package Tool

Installing a package

sudo apt-get install <PackageName>

Removing a package

Removes a package, however it leaves its configuration files on the system

sudo apt-get remove <PackageName>

Purging a package

Removes the package and any of its configuration files as long as they are located in /etc. If you have configuration files in a location such as /home those configurations will remain there when using purge.

sudo apt-get purge <PackageName>

Remove & Purging a package

apt-get remove --purge packagename

You can read more about the differences between purge and remove here apt remove vs apt purge

Upgrade OS run

do-release-upgrade

To upgrade existing package

sudo apt-get --only-upgrade install <PackageName>

To install & Remove a package

sudo apt-get install <PackageName>
sudo apt-get remove <PackageName>

To search for package

apt search <PackageName>

See list of upgradable packages

sudo apt-get update
sudo apt list --upgradable

List installed packages

sudo apt list --installed

View package details, version, etc.

apt show <PackageName>

Check stats on installed Packages

apt-cache stats

Show installed packages names

apt-cache pkgnames
apt-cache pkgnames <name>*

Search for package

apt-cache search <name>

Check unmet dependencies

apt-cache unmet

Check Install repos

less /etc/apt/sources.list

apt manual pages

man apt
man apt-get

Packages installed with apt-get are located in /var/cache/apt/archives

To check Repo sources

sudo apt edit-sources

Adding Apt Repository In Ubuntu

Resources How-to-add-apt-repository-in-ubuntu

Adding Kali Repository to Ubuntu

Step-1: Install Git

sudo apt install git
git --version

Step-2: Install Python 2.7

sudo apt install python2    <OR>     sudo apt install python-minimal
python2 --version

Step-3: Install Katoolin

cd ~
sudo git clone <https://github.com/LionSec/katoolin.git>
ls -l
sudo cp katoolin/katoolin.py /usr/bin/katoolin

Make the script executable

sudo chmod +x /usr/bin/katoolin

Step-4: Launch Katoolin

sudo katoolin

OR

sudo python2 /usr/bin/katoolin

Step-5: Add Kali Repositories & Update

katoolin - Choose 1 "add Kali Linux repositories" - Choose 1 again "Add Kali Linux repositories"

If you get the error gpg: keyserver receive failed: No name

wget -q -O - archive.kali.org/archive-key.asc | sudo  apt-key add
sudo apt update

katoolin - Update repos

- Option 1 "Add Kali Linux repositories"
- Option 2 "Update"
- When done, type gohome to return the katoolin main interface window.

Step-6: katoolin - View Categories to install Kali Linux Apps on Ubuntu

- Option 2 "View Categories"

- Option 3 to Classic Menu indicator

- Option 4 install the Kali menu

apt