installation/: Tweak some installation files.

installation/dependencies-installation.sh

 # USEFUL WORKING TOOLS
-apt -y install git vim tree
+apt -y install git vim tree sudo
+# to add a <user> to the sudo list:
+# su -
+# usermod -a -G sudo <user>
+# su <user>
 
 # ACTUAL DEPENDENCIES
 # installing miscellaneous useful packages
 apt -y install make autopoint autoconf libtool libattr1-dev musl-tools mmv sbsigntool libssl-dev python3-deb
 # installing more necessary packages to activate Secure Boot with our own keys
 apt -y install efitools
-# installing packages needed to build fluentbit
+# installing packages needed to build fluentbit (script fluentbit-install.sh)
 apt -y install cmake flex bison build-essential
 # needed to compile the output plugin for wendelin (fluentbit_wendelin.so)
 apt -y install golang

installation/fluentbit-install.sh

-apt-get -y install cmake flex bison build-essential
 if [ ! -d fluent-bit ]; then
   git clone https://github.com/fluent/fluent-bit.git
 fi

installation/install.sh

@@ -132,14 +132,14 @@ disk_info_list=(${disk_info//' '/})
 
 /sbin/e2label ${disk_info_list[4]} ROOT
 
-rm -rf /boot/efi/EFI/Linux/*
-#mmv '/boot/efi/EFI/Linux/*.*' '/boot/efi/EFI/Linux/#1_1.#2'
+#rm -rf /boot/efi/EFI/Linux/*
+mmv '/boot/efi/EFI/Linux/*.*' '/boot/efi/EFI/Linux/#1_1.#2'
 dracut --force  -c ./dracut.module/dracut.conf --confdir dracut_tmp
 
 cp -r /boot/efi/EFI /EFI
-#maybe not necessary
-cp /etc/uefi-key/db.cer /EFI/db.cer
-cp /etc/uefi-key/db.cer /boot/efi/db.cer
-uefi=$(ls /EFI/Linux)
+# the following two lines are useful if one wants to enroll the keys from the BIOS GUI (and not from command-line as root) (??)
+cp /etc/uefi-keys/db.cer /EFI/db.cer
+cp /etc/uefi-keys/db.cer /boot/efi/db.cer
+uefi=$(echo $(ls -t /EFI/Linux/ | cut -d' ' -f1) | cut -d' ' -f1)
 
 efibootmgr --quiet --create --disk ${disk_info_list[3]} --label 'debian UEFI test_root' --loader /EFI/Linux/$uefi