diff --git a/update_iso.sh b/update_iso.sh
new file mode 100755
index 0000000..e3eba79
--- /dev/null
+++ b/update_iso.sh
@@ -0,0 +1,96 @@
+#!/bin/bash
+
+dl_iso() {
+  ## URL to download
+  URL="${1}"
+  ## Path to store the downloaded file
+  ISO_PATH="${2}"
+  ## Retention time
+  DATE=$(date --date '30 days ago' +%Y-%m-%d)
+
+  if [ ! -f ${ISO_PATH} ]; then
+    wget "${URL}" -O "${ISO_PATH}"
+  else
+    # If the file doesn't already exist and not older than 30 days
+    if [ ! `find . -samefile ${ISO_PATH} -newerct ${DATE}` ]; then
+      wget "${URL}" -O "${ISO_PATH}"
+    fi
+  fi
+}
+
+#### Debian
+DEBIAN_STABLE="7.7.0"
+## Standard Stable versions
+# AMD64 (~250Mo)
+dl_iso "http://cdimage.debian.org/debian-cd/${DEBIAN_STABLE}/amd64/iso-cd/debian-${DEBIAN_STABLE}-amd64-netinst.iso" "LINUX/debian-stable-amd64-netinst.iso"
+# i386 (~200Mo)
+dl_iso "http://cdimage.debian.org/debian-cd/${DEBIAN_STABLE}/i386/iso-cd/debian-${DEBIAN_STABLE}-i386-netinst.iso" "LINUX/debian-stable-i386-netinst.iso"
+rm -f LINUX/debian-stable ; echo "${DEBIAN_STABLE}" > "LINUX/debian-stable"
+
+## Version with firmares
+# AMD64 (~300Mo)
+dl_iso "http://cdimage.debian.org/cdimage/unofficial/non-free/cd-including-firmware/${DEBIAN_STABLE}/amd64/iso-cd/firmware-${DEBIAN_STABLE}-amd64-netinst.iso" "LINUX/firmware-stable-amd64-netinst.iso"
+# i386 (~250Mo)
+dl_iso "http://cdimage.debian.org/cdimage/unofficial/non-free/cd-including-firmware/${DEBIAN_STABLE}/i386/iso-cd/firmware-${DEBIAN_STABLE}-i386-netinst.iso" "LINUX/firmware-stable-i386-netinst.iso"
+
+## Testing
+# AMD64 (~225Mo)
+dl_iso "http://cdimage.debian.org/cdimage/daily-builds/daily/arch-latest/amd64/iso-cd/debian-testing-amd64-netinst.iso" "LINUX/debian-testing-amd64-netinst.iso"
+# i386 (~270Mo)
+dl_iso "http://cdimage.debian.org/cdimage/daily-builds/daily/arch-latest/i386/iso-cd/debian-testing-i386-netinst.iso" "LINUX/debian-testing-i386-netinst.iso"
+
+
+#### ArchLinux (~550Mo)
+ARCH_VERSION="2014.10.01"
+dl_iso "http://archlinux.mirrors.ovh.net/archlinux/iso/${ARCH_VERSION}/archlinux-${ARCH_VERSION}-dual.iso" "LINUX/archlinux-dual.iso"
+rm -f LINUX/archlinux-version ; echo "${ARCH_VERSION}" >  "LINUX/archlinux-version"
+
+
+#### Linux Mint
+##
+dl_iso "http://mirrors.ircam.fr/pub/linuxmint-iso//stable/17/linuxmint-17-cinnamon-64bit-v2.iso" "LINUX/linuxmint-17-cinnamon-64bit-v2.iso"
+
+
+#### Tails (~1Go)
+TAILS_VERSION="1.2"
+dl_iso "http://dl.amnesia.boum.org/tails/stable/tails-i386-${TAILS_VERSION}/tails-i386-${TAILS_VERSION}.iso" "LINUX/tails-i386-${TAILS_VERSION}.iso"
+
+
+#### Kali (~2,9Go)
+#dl_iso "http://cdimage.kali.org/kali-latest/amd64/kali-linux-1.0.8-amd64.iso" "LINUX/kali-linux-1.0.8-amd64.iso"
+
+
+#### Clonezilla (~150Mo)
+CLONEZILLA_STABLE="2.2.4-12"
+dl_iso "http://downloads.sourceforge.net/project/clonezilla/clonezilla_live_stable/${CLONEZILLA_STABLE}/clonezilla-live-${CLONEZILLA_STABLE}-amd64.iso" "BACKUP_LINUX/clonezilla-live-${CLONEZILLA_STABLE}-amd64.iso"
+dl_iso "http://downloads.sourceforge.net/project/clonezilla/clonezilla_live_stable/${CLONEZILLA_STABLE}/clonezilla-live-${CLONEZILLA_STABLE}-i686-pae.iso" "BACKUP_LINUX/clonezilla-live-${CLONEZILLA_STABLE}-i686-pae.iso"
+rm -f BACKUP_LINUX/clonezilla-live-stable ; echo "${CLONEZILLA_STABLE}" > "BACKUP_LINUX/clonezilla-live-stable"
+
+
+#### Kaspersky (~200Mo)
+dl_iso "http://rescuedisk.kaspersky-labs.com/rescuedisk/updatable/kav_rescue_10.iso" "ANTIVIRUS/kaspersky_anti_virus_rescue_cd_10.iso"
+
+
+#### Gparted (~200Mo)
+GPARTED_VERSION="0.19.1-4"
+dl_iso "http://downloads.sourceforge.net/project/gparted/gparted-live-stable/${GPARTED_VERSION}/gparted-live-${GPARTED_VERSION}-i486.iso" "UTILITIES/gparted-live-${GPARTED_VERSION}-i486.iso"
+
+
+#### SystemrescueCD (~400Mo)
+SYSRCCD_VERSION="4.4.0"
+dl_iso "http://downloads.sourceforge.net/project/systemrescuecd/sysresccd-x86/${SYSRCCD_VERSION}/systemrescuecd-x86-${SYSRCCD_VERSION}.iso" "UTILITIES/systemrescuecd-x86-${SYSRCCD_VERSION}.iso"
+
+
+#### Memtest
+MEM_VERSION="5.01"
+dl_iso "http://www.memtest.org/download/${MEM_VERSION}/memtest86+-${MEM_VERSION}.iso.zip" "UTILITIES/memtest86+-${MEM_VERSION}.iso.zip"
+unzip UTILITIES/memtest86+-${MEM_VERSION}.iso.zip -d UTILITIES/
+rm -f UTILITIES/memtest86+-${MEM_VERSION}.iso.zip
+
+
+#### Bootdisk // Reset windows password
+## http://pogostick.net/~pnh/ntpasswd/
+NT_VERSION="140201"
+dl_iso "http://pogostick.net/~pnh/ntpasswd/cd${NT_VERSION}.zip" "UTILITIES/cd${NT_VERSION}.zip"
+unzip UTILITIES/cd${NT_VERSION}.zip -d UTILITIES/
+rm -f  UTILITIES/cd${NT_VERSION}.zip