Added install software on VM guest feature

vm_example_scripts/podman_freebsd.sh

@@ -0,0 +1,62 @@
+#!/usr/bin/env sh
+# Source: https://podman.io/docs/installation#installing-on-freebsd-140
+
+# Variables
+LINE='fdesc   /dev/fd         fdescfs         rw      0       0'
+FSTAB="/etc/fstab"
+FD_MOUNTPOINT="/dev/fd"
+FSTYPE="fdescfs"
+SERVICE_NAME='linux'
+
+# Enable Linux compatibility
+sysrc linux_enable=YES
+
+# Start the service if not running
+if ! service "${SERVICE_NAME}" status >/dev/null 2>&1; then
+    if ! service "${SERVICE_NAME}" start; then
+        echo "Error: Cannot start ${SERVICE_NAME}." >&2
+        exit 1
+    fi
+    echo "Service ${SERVICE_NAME} started"
+fi
+
+# Add fdescfs to /etc/fstab if not present
+if ! grep -q 'fdesc[[:space:]]\+/dev/fd[[:space:]]\+fdescfs[[:space:]]\+rw[[:space:]]\+0[[:space:]]\+0' "$FSTAB"; then
+    printf '%s\n' "$LINE" | tee -a "$FSTAB" > /dev/null
+fi
+
+# Install and enable Podman
+pkg install -y podman-suite
+service podman enable
+
+# Mount fdescfs if not already mounted
+if ! mount | grep -w "${FD_MOUNTPOINT}" | grep -q "$FSTYPE"; then
+    mount -t fdescfs fdesc /dev/fd
+fi
+
+# Configure pf firewall
+cp /usr/local/etc/containers/pf.conf.sample /etc/pf.conf
+sed -i '' 's/ix0/vtnet0/g' /etc/pf.conf
+
+# Enable pf at boot
+if ! grep -q 'pf_load="YES"' "/boot/loader.conf"; then
+    echo 'pf_load="YES"' | tee -a /boot/loader.conf > /dev/null
+fi
+
+# Load pf module and enable local filtering
+kldload pf
+sysctl net.pf.filter_local=1
+
+if ! grep -q 'net.pf.filter_local=1' "/etc/sysctl.conf.local"; then
+    echo 'net.pf.filter_local=1' | tee -a /etc/sysctl.conf.local > /dev/null
+fi
+
+service pf enable
+service pf restart
+
+# Configure storage backend
+if pgrep -x zfskern >/dev/null 2>&1; then
+    zfs create -o mountpoint=/var/db/containers zroot/containers
+else
+    sed -I .bak -e 's/driver = "zfs"/driver = "vfs"/' /usr/local/etc/containers/storage.conf
+fi