diff --git a/rsnapshot_anacron/daily/rsnapshot_daily b/rsnapshot_anacron/daily/rsnapshot_daily
new file mode 100755
index 0000000..991d210
--- /dev/null
+++ b/rsnapshot_anacron/daily/rsnapshot_daily
@@ -0,0 +1,7 @@
+#!/bin/bash
+
+source <BASE>/rsnapshot_common
+
+# 86400 seconds in a day, retry every 10 minutes for half a day
+backup "40000" "daily"
+
diff --git a/rsnapshot_anacron/hourly/rsnapshot_hourly b/rsnapshot_anacron/hourly/rsnapshot_hourly
new file mode 100755
index 0000000..b791a84
--- /dev/null
+++ b/rsnapshot_anacron/hourly/rsnapshot_hourly
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+source <BASE>/rsnapshot_common
+
+# 3600 seconds in an hour, retry every 10 minutes for half an hour
+backup "1800" "hourly"
diff --git a/rsnapshot_anacron/install.sh b/rsnapshot_anacron/install.sh
new file mode 100644
index 0000000..a544c33
--- /dev/null
+++ b/rsnapshot_anacron/install.sh
@@ -0,0 +1,69 @@
+#!/bin/bash
+
+# Immediately exit if any command has a non-zero exit.
+# A reference to any variable you haven't previously defined - with the exceptions of $* and $@ - is an error.
+# If any command in a pipeline fails, that return code will be used as the return code of the whole pipeline.
+set -euo pipefail
+
+user="$USER"
+
+mkdir -p $user/scripts
+cp -r ../anacron $user/scripts/
+cd $user/scripts/
+
+base="$(pwd)"
+
+# Check installed packages
+installed="$(dpkg -l rsnapshot)|grep '^ii\srsnapshot\s'"
+if [[ "$sintalled" == "" ]]; then
+    echo "rsnapshot is not installed"
+    echo "You should install it and edit /etc/rsnapshot.conf:"
+    echo "sudo apt install rsnapshot anacron && sudo gvim /etc/rsnapshot.conf"
+    exit 100
+fi
+sudo install anacron
+
+
+snapshot=$(grep "^snapshot_root.*$" /etc/rsnapshot.conf|cut -f 2)
+
+if [[ $? != 0 || "$snapshot" == "" ]] ; then
+    echo "No snapshot_root in /etc/rsnapshot.conf"
+    exit 101
+fi
+
+tag="=^=rsnapshot_anacron=^="
+if [[ $(grep "$tag" /etc/anacrontab) == "" ]]; then
+sudo echo "
+##########################################################
+# $tag
+# périodicité (jours),
+# |       délai (minutes),
+# |       |  nom de la tache,
+# |       |  |              commandes
+##########################################################
+@daily   10 backup.daily   sudo -u $user run-parts $base/daily/
+@weekly  10 backup.weekly  sudo -u $user run-parts $base/weekly/
+@monthly 10 backup.monthly sudo -u $user run-parts $base/monthly/
+" >> /etc/anacrontab
+fi
+
+ln -s $base ~/.anacron
+
+# Test if snapshot dir is set
+source $base/rsnapshot_common
+if [[ "$SNAPSHOT_ROOT" == "<NOT_DEFINED>" ]] ; then
+    sed -i "s,<NOT_DEFINED>,${snapshot},g" rsnapshot_common
+else
+    if [[ "$SNAPSHOT_ROOT" != "$snapshot" ]] ; then
+        echo "snapshot_root in /etc/rsnapshot.conf is different than SNAPSHOT_ROOT in rsnapshot_common"
+        exit 102
+    fi
+fi
+
+# Configure absolute path in scripts
+sed -i "s,<BASE>,$base,g" $base/hourly/rsnapshot_hourly
+sed -i "s,<BASE>,$base,g" $base/daily/rsnapshot_daily
+sed -i "s,<BASE>,$base,g" $base/weekly/rsnapshot_weekly
+sed -i "s,<BASE>,$base,g" $base/monthly/rsnapshot_monthly
+
+echo "DONE"
diff --git a/rsnapshot_anacron/monthly/rsnapshot_monthly b/rsnapshot_anacron/monthly/rsnapshot_monthly
new file mode 100755
index 0000000..01cbb5c
--- /dev/null
+++ b/rsnapshot_anacron/monthly/rsnapshot_monthly
@@ -0,0 +1,7 @@
+#!/bin/bash
+
+source <BASE>/rsnapshot_common
+
+# 2592000 seconds in a month, retry every 10 minutes for 8 days
+backup "691200" "monthly"
+
diff --git a/rsnapshot_anacron/rsnapshot_common b/rsnapshot_anacron/rsnapshot_common
new file mode 100644
index 0000000..e82ee9f
--- /dev/null
+++ b/rsnapshot_anacron/rsnapshot_common
@@ -0,0 +1,50 @@
+# Immediately exit if any command has a non-zero exit.
+# A reference to any variable you haven't previously defined - with the exceptions of $* and $@ - is an error.
+# If any command in a pipeline fails, that return code will be used as the return code of the whole pipeline.
+set -euo pipefail
+
+# There are already cron scripts installed to automatically run rsnapshot in
+# the background on a regular hourly/daily/weekly/monthly schedule.  If this
+# is on a machine that is shutdown or goes to sleep often, then install
+# anacron.
+#
+ENABLE_CRON=no
+
+# Also run the hourly job in addition to the daily, weekly, and monthly
+#ENABLE_HOURLY=yes
+
+# Specify the disk where the backups are written to, this is the same place as
+# is specified in /etc/rsnapshot.conf as 'snapshot_root'.  This is used to
+# detect if the disk is mounted or not when rsnapshot runs in a cron job.
+#
+SNAPSHOT_ROOT="<NOT_DEFINED>"
+
+RSNAPSHOT="/usr/bin/rsnapshot -t"
+
+function backup()
+{
+    wait="$1" # in seconds
+    freq="$2" # hourly, daily, weekly or monthly
+
+    #retry every 10 minutes
+    every=600
+
+    if [[ "$ENABLE_CRON" == "yes" ]] ; then
+        exit 1000
+    fi
+
+    until=$(( $(date +%s) + $wait))
+    while [[ $(date +%s) < $until ]] ; do
+        test -d "$SNAPSHOT_ROOT" && break
+        sleep $every
+    done
+
+    # See ionice(1)
+    if [ -x /usr/bin/ionice ] &&
+        /usr/bin/ionice -c3 true 2>/dev/null; then
+        IONICE="/usr/bin/ionice -c3"
+    fi
+
+    test -d "$SNAPSHOT_ROOT" && \
+        nice -n 20 $IONICE $RSNAPSHOT $freq
+}
diff --git a/rsnapshot_anacron/weekly/rsnapshot_weekly b/rsnapshot_anacron/weekly/rsnapshot_weekly
new file mode 100755
index 0000000..171147e
--- /dev/null
+++ b/rsnapshot_anacron/weekly/rsnapshot_weekly
@@ -0,0 +1,7 @@
+#!/bin/bash
+
+source <BASE>/rsnapshot_common
+
+# 604800 seconds in a week, retry every 10 minutes for 4 days
+backup "345600" "weekly"
+