install mkusb

mx-linux/mx-19.3.sh

@@ -3,6 +3,8 @@
 # run as:  sudo mx-19.4.sh -y
 apt-get install gnupg software-properties-common
 apt-get update $1
+echo 'deb http://ppa.launchpad.net/mkusb/ppa/ubuntu focal main' | sudo tee /etc/apt/sources.list.d/mkusb.list
+apt-key adv --keyserver keyserver.ubuntu.com --recv 54B8C8AC
 echo 'deb http://deb.debian.org/debian experimental main' | sudo tee /etc/apt/sources.list.d/experimental.list
 echo 'deb http://ppa.launchpad.net/stefansundin/truecrypt/ubuntu xenial main' | sudo tee /etc/apt/sources.list.d/truecrypt.list
 apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 0xFFE1FFFFAFEC55BB
@@ -31,6 +33,7 @@ echo 'deb [arch=amd64 signed-by=/usr/share/keyrings/signal-desktop-keyring.gpg]
   sudo tee -a /etc/apt/sources.list.d/signal-xenial.list
 apt-get update $1
 apt-get upgrade $1
+apt-get install $1 mkusb
 #<-- install python 3.9
 apt-get install $1 build-essential liblzma-dev zlib1g-dev libncurses5-dev libgdbm-dev libnss3-dev libssl-dev libsqlite3-dev libreadline-dev libffi-dev curl libbz2-dev python-tk python3-tk tk-dev
 wget https://www.python.org/ftp/python/3.9.8/Python-3.9.8.tgz