diff --git a/host/home/Backup.nix b/host/home/Backup.nix
index 8589c759..3613dc4f 100644
--- a/host/home/Backup.nix
+++ b/host/home/Backup.nix
@@ -4,7 +4,7 @@
 		description = "Home system backup.";
 		serviceConfig = {
 			Type      = "oneshot";
-			ExecStart = "/root/app/bin/home/Backup";
+			ExecStart = "/etc/bin/Backup";
 		};
 		path = with pkgs; [
 			bashInteractive
diff --git a/host/home/Configuration.nix b/host/home/Configuration.nix
index e6c3d38d..d2981539 100644
--- a/host/home/Configuration.nix
+++ b/host/home/Configuration.nix
@@ -18,6 +18,9 @@
 		10.1.0.2 pass.voronind.com
 	'';
 
+	# Extra binaries.
+	environment.etc.bin.source = ./bin;
+
 	# Filesystems.
 	fileSystems."/storage/cold_1" = {
 		device  = "/dev/storage/cold_1";
diff --git a/host/home/Nextcloud.nix b/host/home/Nextcloud.nix
index 6bc0ed8c..b987b63e 100644
--- a/host/home/Nextcloud.nix
+++ b/host/home/Nextcloud.nix
@@ -4,7 +4,7 @@
 		description = "Nextcloud worker.";
 		serviceConfig = {
 			Type      = "oneshot";
-			ExecStart = "/root/app/bin/home/Nextcloud";
+			ExecStart = "/etc/bin/Nextcloud";
 		};
 		path = with pkgs; [
 			bashInteractive
diff --git a/host/home/PhotosProcess.nix b/host/home/PhotosProcess.nix
index 6cb10c4d..b631ccfb 100644
--- a/host/home/PhotosProcess.nix
+++ b/host/home/PhotosProcess.nix
@@ -4,7 +4,7 @@
 		description = "Process uploaded photos.";
 		serviceConfig = {
 			Type      = "oneshot";
-			ExecStart = "/root/app/bin/home/PhotosProcess";
+			ExecStart = "/etc/bin/PhotosProcess";
 		};
 		path = with pkgs; [
 			bashInteractive
diff --git a/host/home/YandexMusic.nix b/host/home/YandexMusic.nix
index 602efd77..0e83f335 100644
--- a/host/home/YandexMusic.nix
+++ b/host/home/YandexMusic.nix
@@ -4,7 +4,7 @@
 		description = "Sync music from Yandex.Music.";
 		serviceConfig = {
 			Type      = "oneshot";
-			ExecStart = "/root/app/bin/home/YandexMusic";
+			ExecStart = "/etc/bin/YandexMusic";
 		};
 		path = with pkgs; [
 			bashInteractive
diff --git a/host/home/bin/Backup b/host/home/bin/Backup
new file mode 100755
index 00000000..c17399d7
--- /dev/null
+++ b/host/home/bin/Backup
@@ -0,0 +1,76 @@
+#!/usr/bin/env bash
+
+# Source modules.
+for file in /etc/bash/module/*.sh; do
+	source "${file}"
+done
+
+function report() {
+	echo "${*}"
+	notify "${*}"
+}
+
+# Define constants.
+path_src="/storage/hot"
+path_mount="/storage/cold_1"
+path_backup="${path_mount}/backup"
+path_docker="${path_backup}/home"
+path_media="/storage/cold_1/media /storage/cold_2/media"
+
+# Check if backup drive is mounted.
+if [ ! -f "${path_mount}"/.mount ]; then
+	report "Backup : ${path_mount} not mounted!"
+	exit 1
+fi
+
+# Check if hot storage is mounted.
+if [ ! -f "${path_src}"/.mount ]; then
+	report "Backup : ${path_src} not mounted!"
+	exit 1
+fi
+
+# Cd to src storage.
+cd "${path_src}"
+
+# Save media list.
+find ${path_media} -type d > ${path_backup}/cold/ColdMedia.txt || report "Backup : Failed to save media list!"
+cd ${path_backup}/cold/
+archive_fast ColdMedia.txt && rm ColdMedia.txt || report "Backup : Failed to archive media list!"
+cd -
+
+# Backup docker.
+docker=$(archive_fast docker/)
+bupsize=$(tdu ${docker} | awk '{print $1}')
+mv ${docker} ${path_docker}/ || report "Backup : Failed to save docker!"
+
+# Backup some media.
+cd ${path_src}/media/
+paper=$(archive_fast paper/)
+mv ${paper} ${path_backup}/paper/ || report "Backup : Failed to save paper!"
+cd -
+
+# Prune media copies.
+cd ${path_backup}/paper/
+archive_prune
+cd -
+
+cd ${path_backup}/cold/
+archive_prune
+cd -
+
+# Prune old Docker copies.
+cd ${path_docker}
+archive_prune Docker 7
+cd -
+
+# Prune game saves.
+cd "${path_backup}/save/"
+archive_prune
+cd -
+
+# Sync writes.
+sync
+
+# Notify completion & size.
+notify_silent "Backup : Complete ${bupsize}."
+echo "Backup : Complete ${bupsize}."
diff --git a/host/home/bin/Nextcloud b/host/home/bin/Nextcloud
new file mode 100755
index 00000000..404d7768
--- /dev/null
+++ b/host/home/bin/Nextcloud
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+# Source modules.
+for file in /etc/bash/module/*.sh; do
+	source "${file}"
+done
+
+docker exec -u 33 cloud php -f /var/www/html/cron.php || notify 'Nextcloud : Failed to run cron.'
diff --git a/host/home/bin/PhotosProcess b/host/home/bin/PhotosProcess
new file mode 100755
index 00000000..d70a676f
--- /dev/null
+++ b/host/home/bin/PhotosProcess
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+in="/storage/hot/docker/cloud/data/data/cakee/files/media/photo/"
+out="/storage/cold_1/backup/tmp/photo/"
+
+docker run --rm -v "${in}":/in -v "${out}":/out voronind.com/photoprocess:latest
diff --git a/host/home/bin/YandexMusic b/host/home/bin/YandexMusic
new file mode 100755
index 00000000..5c0e01ef
--- /dev/null
+++ b/host/home/bin/YandexMusic
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+music="/storage/hot/media/music/"
+
+docker run --rm -v "${music}":/music voronind.com/yamusic:latest