diff --git a/arch-root/install.sh b/arch-root/install.sh
index 70c85b3..10198fd 100755
--- a/arch-root/install.sh
+++ b/arch-root/install.sh
@@ -6,10 +6,11 @@ PACKAGES=(
 	
 	linux base linux-firmware lvm2 sudo polkit # base
 	pulseaudio pulseaudio-bluetooth bluez bluez-utils networkmanager udisks2 # device management
-	openssh rsync strace sysstat htop screen man-db which # system 
+	openssh rsync strace sysstat htop screen man-db which dnsutils # system 
 
 	nodejs dash jq # runtime
 	qemu-system-x86 # virt
+	postgresql #db
 
 	rlwrap fzf # shell helpers
 	vifm vim less # nav & edit
diff --git a/arch-user/bin/postgres/start.sh b/arch-user/bin/postgres/start.sh
new file mode 100755
index 0000000..737eb0d
--- /dev/null
+++ b/arch-user/bin/postgres/start.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+set -eo pipefail
+
+if [ "$1" != "foreground" ]; then
+	exec ~/.local/bin/screen/detach.sh postgres "$0" foreground
+fi
+
+version="$(pg_config --version | sed -n 's/^PostgreSQL \([0-9]*\).*/\1/p')"
+export PGDATA=~/know/db/"$version"
+
+mkdir -p "$PGDATA"
+if [ ! -f "$PGDATA/postgresql.conf" ]; then
+	initdb
+fi
+
+postgres -c "unix_socket_directories=/run/user/$(id -u)" -c "listen_addresses=" -c "io_method=sync"
diff --git a/arch-user/bin/psql.sh b/arch-user/bin/psql.sh
new file mode 100755
index 0000000..f00f9bb
--- /dev/null
+++ b/arch-user/bin/psql.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+set -e
+
+psql -h "/run/user/$(id -u)" "$1"
diff --git a/arch-user/config/cliphist/config b/arch-user/config/cliphist/config
new file mode 100644
index 0000000..c260fd9
--- /dev/null
+++ b/arch-user/config/cliphist/config
@@ -0,0 +1 @@
+max-items 50