diff --git a/.gitignore b/.gitignore
index 105e95d..5dd7d68 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,5 @@
 !backup.timer
 !exclude-list-S551LN.txt
 !README.md
+!Makefile
+*
diff --git a/README.md b/README.md
index 542be43..915f0e2 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,22 @@
 # Backup configuration for S551LN laptop
+
+## Install
+
+- run the command `make install` as admin
+- in the editor that opens, write the following configuration:
+  ```
+  [Service]
+  Environment=BORG_REPO=/path/to/borg/repo
+  Environment=BORG_PASSPHRASE=somEp4$sphrase
+  Environment=EXCLUDE_LIST=/path/to/exclude/list
+  ```
+
+## Uninstall
+
+`make uninstall`
+
+## Run manual backup
+
+- use `systemctl start borgbackup.service` to run a backup manually
+- use `journalctl -u borgbackup.service` to view the logs
+
diff --git a/borgbackup.service b/borgbackup.service
new file mode 100644
index 0000000..c2505a0
--- /dev/null
+++ b/borgbackup.service
@@ -0,0 +1,12 @@
+[Unit]
+Description=Borg backup
+
+[Service]
+Type=oneshot
+Environment=BORG_HOSTNAME_IS_UNIQUE=yes
+Nice=19
+ExecStart=/usr/bin/borg create --list --stats --filter AME --exclude-from=${EXCLUDE_LIST} ::{now} /
+ExecStartPost=/usr/bin/borg prune -v --list --keep-daily=7 --keep-weekly=4 --keep-monthly=10 --keep-within 2d --stats ::
+
+[Install]
+WantedBy=multi-user.target
diff --git a/borgbackup.timer b/borgbackup.timer
new file mode 100644
index 0000000..f8e9e25
--- /dev/null
+++ b/borgbackup.timer
@@ -0,0 +1,9 @@
+[Unit]
+Description=Borgbackup
+
+[Timer]
+OnBootSec=30min
+OnCalendar=0/4:00:00 
+
+[Install]
+WantedBy=timers.target
diff --git a/exclude-list-S551LN.txt b/exclude-list-S551LN.txt
new file mode 100644
index 0000000..728f309
--- /dev/null
+++ b/exclude-list-S551LN.txt
@@ -0,0 +1,49 @@
+/proc
+/sys
+/dev
+/media
+/cdrom
+/tmp
+/run
+/var/cache
+/var/tmp
+/var/run
+/home/*/.thumbnails
+/home/*/.cache/chromium
+/home/*/.cache/mozilla
+/home/*/.cache/wine
+/home/*/.steam/steam/steamapps
+/home/*/.steam/steam/config/htmlcache
+/home/*/.local/share/Trash
+/home/*/.mozilla/firefox/*.default/Cache
+/home/*/.gvfs
+/swapfile
+
+/var/lib/flatpak/appstream/
+/var/lib/flatpak/repo/
+
+/root/.cache
+
+/home/*/.android
+/home/*/.cache
+/home/*/.m2
+/home/*/.gradle
+/home/*/Vidéos
+/home/*/Musique
+/home/*/Téléchargements
+/home/*/Virtualbox_VMS
+/home/*/ISO
+/home/*/Android
+
+/mnt/!data
+/mnt/data/thibaud/.m2
+/mnt/data/thibaud/.gradle
+/mnt/data/thibaud/backups
+/mnt/data/thibaud/Vidéos
+/mnt/data/thibaud/Musique
+/mnt/data/thibaud/Téléchargements
+/mnt/data/thibaud/Virtualbox_VMS
+/mnt/data/thibaud/tmp
+/mnt/data/thibaud/ISO
+/mnt/data/thibaud/Android
+*.!qB