Add locally availables repos to system

repo/add_repo_from_iso.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+#description: common method for creating a repository from iso files(USB, dvd)
+
+# Make sure the dvd/iso is available to the system as a CD or anywhere in the
+# file system
+# copy it to a local location
+if="/dev/sr0"
+of="/ubuntu22.iso" # contents are in iso9660 filesystem. Need to be mounted later
+repo_location="/repo"  # location mounted on the filesystem
+sudo mkdir $repo_location
+sudo dd if=$if of=$of bs=1M status='progress'
+
+# Automount iso contents to repo_location to have available to machine
+# unquoted delimiter in the here doc allows variable substitution
+sudo cat >> /etc/fstab <<EOF
+$of     $repo_location          iso9660         defaults 0 0
+EOF
+
+# verify /etc/stab changes and mount everything
+sudo mount -a
+ls $repo_location