added duf and nginx and some refactor

scripts/sftp_server.sh

@@ -14,9 +14,9 @@ sftp_server() {
     fi
     printf "$UGREEN** Building sftp-server\n$RESET"
     [ -d $build/sftp_server ] && return 0
-    mkdir -p $build/sftp_server # &>> $fulllogfile
+    mkdir -p $build/sftp_server
     cd $build/sftp_server
-    tar -xvf $root/downloads/openssh-9.9p1.tar.gz # &>> $fulllogfile
+    tar -xvf $root/downloads/openssh-9.9p1.tar.gz
     check $? "Extract openssh"
     cd openssh-9.9p1
     ./configure \
@@ -25,10 +25,9 @@ sftp_server() {
         --without-openssl \
         --with-zlib=$rootfspath/usr/include
     check $? "Configure openssh"
-    make sftp-server $makeflags # &>> $fulllogfile
+    make sftp-server $makeflags
     check $? "Build sftp-server"
     cp -v sftp-server $rootfspath/usr/bin/
-    # $CROSS_COMPILE-strip $rootfspath/usr/bin/sftp-server
     check $? "Install sftp-server to rootfs directory"
     check $? "Build and install sftp-server to rootfs directory"
 }