diff --git a/set-up-system.sh b/set-up-system.sh
index 6e2cca2..9c1206e 100755
--- a/set-up-system.sh
+++ b/set-up-system.sh
@@ -2,12 +2,21 @@
 set -e
 sudo -v
 
-function banner_top() {
-    echo -e "────┤ $1 ├────\n"
-}
+# the horrors
+function banner() {
+    local pos=$1
+    local w=50
+    local text=" $2 "
+    local pad=$((w - ${#text}))
+    local l=$((pad/2)) r=$((pad - pad/2))
+    local left=$(printf '%*s' "$l" ''); left=${left// /─}
+    local right=$(printf '%*s' "$r" ''); right=${right// /─}
 
-function banner_bottom() {
-    echo -e "\n────┤ $1 ├────\n\n\n"
+    if [[ "$pos" == "top" ]]; then
+        printf "┌%s%s%s┐\n\n" "$left" "$text" "$right"
+    else
+        printf "\n└%s%s%s┘\n\n" "$left" "$text" "$right"
+    fi
 }
 
 # https://patorjk.com/software/taag/#p=display&f=Small+Slant
@@ -19,49 +28,77 @@ cat << 'EOF'
                /___//___/
    ..... brought to you by futile
 
+
 EOF
 
 # check if on fedora
 if ! grep -q '^ID=fedora$' /etc/os-release 2>/dev/null; then
-    banner_top "errrm... why aren't you on fedora"
+    echo "errrm... why aren't you on fedora"
     exit 1
 fi
 
+# get preferences
+banner top "getting preferences"
+while [[ -z "$hostname" ]]; do
+    read -rp "choose hostname: " hostname
+done
+while [[ -z "$pubkey" ]]; do
+    read -rp "give ssh key: " pubkey
+done
+echo -e "using hostname \"$hostname\""
+banner bottom "got preferences"
+
+# write ssh key
+banner top "writing ssh key"
+sudo mkdir -p ~/.ssh
+sudo chmod 700 ~/.ssh
+sudo touch ~/.ssh/authorized_keys
+sudo chmod 600 ~/.ssh/authorized_keys
+sudo chown -R admin ~/.ssh
+echo "$pubkey" >> ~/.ssh/authorized_keys
+banner bottom "wrote ssh key"
+
+# change hostname
+banner top "changing hostname"
+sudo hostnamectl hostname $hostname
+sudo hostnamectl
+banner bottom "changed hostname"
+
 # configure dnf
-banner_top "configuring dnf"
+banner top "configuring dnf"
 sudo tee /etc/dnf/dnf.conf << 'EOF'
 [main]
 defaultyes = True
 max_parallel_downloads = 10
 EOF
-banner_bottom "configured dnf"
+banner bottom "configured dnf"
 
 # update system
-banner_top "updating system"
+banner top "updating system"
 sudo dnf update -y
-banner_bottom "updated system"
+banner bottom "updated system"
 
 # install (& configure) docker
-banner_top "installing docker"
+banner top "installing docker"
 sudo dnf config-manager addrepo --from-repofile https://download.docker.com/linux/fedora/docker-ce.repo --overwrite
 sudo dnf install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
 sudo usermod -aG docker $(id -un)
 sudo systemctl enable --now docker
 sudo docker run hello-world
-banner_bottom "installed docker"
+banner bottom "installed docker"
 
 # install (& configure) fish
-banner_top "installing fish"
+banner top "installing fish"
 sudo dnf install -y fish
 sudo chsh -s $(which fish) $(id -un)
 fish -c "set -U fish_greeting"
 fish -c "set -Ux EDITOR $(which micro)"
-banner_bottom "installed fish"
+banner bottom "installed fish"
 
 # install misc
-banner_top "installing other packages"
+banner top "installing other packages"
 sudo dnf install -y micro btop fastfetch
-banner_bottom "installed other packages"
+banner bottom "installed other packages"
 
 # finish
-banner_top "done! please log out and log back in"
+echo -e "done! please log out and log back in\n"