When attempting to add a repo on my pxe-boot chroot, I got the error: add-apt-repository: command not found

root@server:/# add-apt-repository ppa:yannubuntu/boot-repair && apt-get update
add-apt-repository: command not found

The solution is to install both python-software-properties and software-properties-common

apt-get install -y python-software-properties software-properties-common
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