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--- informatica:linux:script [2025/09/25 14:52] – jose
+++ informatica:linux:script [2026/04/15 21:20] (current) – jose
@@ Line 1137: / Line 1137: @@
   -servername ${SITE_URL} 2> /dev/null |  openssl x509 -noout  -dates
 </code>
+====== dd ======
+  dd if=/dev/mmcblk0 of=/tmp/retropie.img bs=4M status=progress conv=fsync
+Montar el fichero img en local
+Crear loop device
+  sudo losetup -fP retropie.img
+  -f → busca un loop libre (/dev/loop0, etc.)
+  -P → detecta particiones
+. Ver qué se ha creado
+  lsblk
+Verás algo así:
+  loop0
+  ├─loop0p1
+  └─loop0p2
+. Montar particiones
+  sudo mkdir /mnt/img1 /mnt/img2
+  sudo mount /dev/loop0p1 /mnt/img1
+  sudo mount /dev/loop0p2 /mnt/img2
+Ya puedes acceder a los datos:
+  /mnt/img1 → boot
+  /mnt/img2 → sistema