Linux Capable published a tutorial about installing the Synaptic package manager on Ubuntu 22.04 LTS.
How to Install Synaptic Package Manager on Ubuntu 22.04 LTS
Learn to install Synaptic Package Manager on Ubuntu 22.04 LTS using the command line terminal. Manager your ubuntu packages/apps with an in-depth GUI manager.
How to Install Synaptic Package Manager on Ubuntu 22.04 LTS - LinuxCapable