diff --git a/scripts/install_memcached.sh b/scripts/install_memcached.sh
index ad8a6d7..a835fbe 100755
--- a/scripts/install_memcached.sh
+++ b/scripts/install_memcached.sh
@@ -178,8 +178,8 @@ function init_memcached_install() {
                 echo "Memcached SASL auth option is enabled..."
 
                 if [[ "${DRYRUN}" != true ]]; then
-                    MEMCACHED_USERNAME=${MEMCACHED_USERNAME:-"lempermc"}
-                    MEMCACHED_PASSWORD=${MEMCACHED_PASSWORD:-$(openssl rand -base64 64 | tr -dc 'a-zA-Z0-9' | fold -w 16 | head -n 1)}
+                    export MEMCACHED_USERNAME=${MEMCACHED_USERNAME:-"lempermc"}
+                    export MEMCACHED_PASSWORD=${MEMCACHED_PASSWORD:-$(openssl rand -base64 64 | tr -dc 'a-zA-Z0-9' | fold -w 16 | head -n 1)}
 
                     run mkdir -p /etc/sasl2 && run touch /etc/sasl2/memcached_memcache.conf
                     cat > /etc/sasl2/memcached_memcache.conf <<EOL
diff --git a/scripts/install_mongodb.sh b/scripts/install_mongodb.sh
index 7640ae1..6fb531c 100755
--- a/scripts/install_mongodb.sh
+++ b/scripts/install_mongodb.sh
@@ -136,8 +136,8 @@ function init_mongodb_install() {
 
                 sleep 3 # Wait for MongoDB to completely started.
 
-                MONGODB_ADMIN_USER=${MONGODB_ADMIN_USER:-"lemperdb"}
-                MONGODB_ADMIN_PASSWORD=${MONGODB_ADMIN_PASSWORD:-"$(openssl rand -base64 64 | tr -dc 'a-zA-Z0-9' | fold -w 16 | head -n 1)"}
+                export MONGODB_ADMIN_USER=${MONGODB_ADMIN_USER:-"lemperdb"}
+                export MONGODB_ADMIN_PASSWORD=${MONGODB_ADMIN_PASSWORD:-"$(openssl rand -base64 64 | tr -dc 'a-zA-Z0-9' | fold -w 16 | head -n 1)"}
 
                 run mongosh admin \
                     --eval "\"db.createUser({'user': '${MONGODB_ADMIN_USER}', 'pwd': '${MONGODB_ADMIN_PASSWORD}', 'roles':[{'role': 'root', 'db': 'admin'}]});\""
diff --git a/scripts/install_redis.sh b/scripts/install_redis.sh
index 6cb1035..8397417 100755
--- a/scripts/install_redis.sh
+++ b/scripts/install_redis.sh
@@ -173,7 +173,7 @@ EOL
             if [[ "${REDIS_REQUIRE_PASSWORD}" == true ]]; then
                 echo "Configure Redis requirepass password."
 
-                REDIS_PASSWORD=${REDIS_PASSWORD:-$(openssl rand -base64 64 | tr -dc 'a-zA-Z0-9' | fold -w 16 | head -n 1)}
+                export REDIS_PASSWORD=${REDIS_PASSWORD:-$(openssl rand -base64 64 | tr -dc 'a-zA-Z0-9' | fold -w 16 | head -n 1)}
 
                 # Update Redis config.
                 cat >> /etc/redis/redis.conf <<EOL