diff --git a/backup.sh b/backup.sh
index eaaaf98..1d0dd26 100644
--- a/backup.sh
+++ b/backup.sh
@@ -3,6 +3,87 @@ usern=$(whoami)
 path=$(pwd)
 echo $path
 
+ARCH=$(uname -m)
+
+
+# Identify OS
+if [ -f /etc/os-release ]; then
+    # freedesktop.org and systemd
+    . /etc/os-release
+    OS=$NAME
+    VER=$VERSION_ID
+    UPSTREAM_ID=${ID_LIKE,,}
+
+    # Fallback to ID_LIKE if ID was not 'ubuntu' or 'debian'
+    if [ "${UPSTREAM_ID}" != "debian" ] && [ "${UPSTREAM_ID}" != "ubuntu" ]; then
+        UPSTREAM_ID="$(echo ${ID_LIKE,,} | sed s/\"//g | cut -d' ' -f1)"
+    fi
+
+elif type lsb_release >/dev/null 2>&1; then
+    # linuxbase.org
+    OS=$(lsb_release -si)
+    VER=$(lsb_release -sr)
+elif [ -f /etc/lsb-release ]; then
+    # For some versions of Debian/Ubuntu without lsb_release command
+    . /etc/lsb-release
+    OS=$DISTRIB_ID
+    VER=$DISTRIB_RELEASE
+elif [ -f /etc/debian_version ]; then
+    # Older Debian, Ubuntu, etc.
+    OS=Debian
+    VER=$(cat /etc/debian_version)
+elif [ -f /etc/SuSE-release ]; then
+    # Older SuSE, etc.
+    OS=SuSE
+    VER=$(cat /etc/SuSE-release)
+elif [ -f /etc/redhat-release ]; then
+    # Older Red Hat, CentOS, etc.
+    OS=RedHat
+    VER=$(cat /etc/redhat-release)
+else
+    # Fall back to uname, e.g. "Linux <version>", also works for BSD, etc.
+    OS=$(uname -s)
+    VER=$(uname -r)
+fi
+
+
+# Output debugging info if $DEBUG set
+if [ "$DEBUG" = "true" ]; then
+    echo "OS: $OS"
+    echo "VER: $VER"
+    echo "UPSTREAM_ID: $UPSTREAM_ID"
+    exit 0
+fi
+
+# Setup prereqs for server
+# Common named prereqs
+PREREQ="tar"
+PREREQDEB="sqlite3"
+PREREQRPM="sqlite"
+PREREQARCH="sqlite"
+
+echo "Installing prerequisites"
+if [ "${ID}" = "debian" ] || [ "$OS" = "Ubuntu" ] || [ "$OS" = "Debian" ] || [ "${UPSTREAM_ID}" = "ubuntu" ] || [ "${UPSTREAM_ID}" = "debian" ]; then
+    sudo apt-get update
+    sudo apt-get install -y ${PREREQ} ${PREREQDEB} # git
+elif [ "$OS" = "CentOS" ] || [ "$OS" = "RedHat" ] || [ "${UPSTREAM_ID}" = "rhel" ] ; then
+# openSUSE 15.4 fails to run the relay service and hangs waiting for it
+# Needs more work before it can be enabled
+# || [ "${UPSTREAM_ID}" = "suse" ]
+    sudo yum update -y
+    sudo dnf install -y epel-release
+    sudo yum install -y ${PREREQ} ${PREREQRPM} # git
+elif [ "${ID}" = "arch" ] || [ "${UPSTREAM_ID}" = "arch" ]; then
+    sudo pacman -Syu
+    sudo pacman -S ${PREREQ} ${PREREQARCH}
+else
+    echo "Unsupported OS"
+    # Here you could ask the user for permission to try and install anyway
+    # If they say yes, then do the install
+    # If they say no, exit the script
+    exit 1
+fi
+
 if [[ $* == *--schedule* ]]; then
     (
         crontab -l 2>/dev/null
@@ -33,7 +114,6 @@ fi
 if [ ! -d /opt/rustdesk-server-backups ]; then
     sudo mkdir /opt/rustdesk-server-backups
     sudo chown ${usern}:${usern} /opt/rustdesk-server-backups
-	sudo apt install sqlite3 -y
 fi
 
 dt_now=$(date '+%Y_%m_%d__%H_%M_%S')
@@ -43,7 +123,7 @@ sysd="/etc/systemd/system"
 mkdir -p ${tmp_dir}/rustdesk
 
 cp -rf /var/lib/rustdesk-server/ ${tmp_dir}/
-sqlite3 db.sqlite3 .dump > ${tmp_dir}/db_backup_file.sq3
+sqlite3 /var/lib/rustdesk-server/db.sqlite3 .dump > ${tmp_dir}/db_backup_file.sql
 
 if [[ $* == *--auto* ]]; then