The primary method for installing of makedeb on Debian-based systems is through the use of makedeb's APT repository.
Besides distributing makedeb itself, the repository also holds dependencies that makedeb needs to function properly.
These instructions are also applicable to distributions based on Debian, such as Ubuntu, Pop!_OS, Linux Mint, and the various Ubuntu flavors.
First, add the signing key:
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Next, add the repository information to your system:
Lastly, update the repository cache on your system: