[Sony Cross-Device General] :
Man, you need acess the folder of dualrecovery and execute in root mode.

imac-de-botnet:Downloads botnet$ cd lockeddualrecovery
imac-de-botnet:lockeddualrecovery botnet$ ls
files	install.bat	install.sh
imac-de-botnet:lockeddualrecovery botnet$ sudo ./install.sh
Password:

==============================================
= =
= XZDualRecovery =
= Maintained by [NUT] =
= =
= For many Sony Xperia devices! =
= =
==============================================

Run the installer with sudo if it fails to connect to your device!

Choose an installation option:

1/ Installation on device rooted with SuperSU
2/ Installation on device rooted with SuperUser
3/ Attempt installation on an unrooted device

Q/ Exit

Enter option:

2

Adjusting for SuperUser!
* daemon not running. starting it now on port 5037 *
* daemon started successfully *

=============================================
Step1 : Waiting for Device.
=============================================

Succes

=============================================
Device and firmware information:
=============================================
Device model is D5833
Firmware is 23.1.A.1.28

=============================================
Step2 : Sending the recovery files.
=============================================

6 KB/s (31 bytes in 0.004s)
2472 KB/s (18340 bytes in 0.007s)
110 KB/s (501 bytes in 0.004s)
3260 KB/s (12198 bytes in 0.003s)
3314 KB/s (65965 bytes in 0.019s)
715 KB/s (3082 bytes in 0.004s)
2525 KB/s (29204 bytes in 0.011s)
340 KB/s (1357 bytes in 0.003s)
2357 KB/s (34473 bytes in 0.014s)
271 KB/s (1202 bytes in 0.004s)
3392 KB/s (96956 bytes in 0.027s)
6018 KB/s (1410852 bytes in 0.228s)
5459 KB/s (3415138 bytes in 0.610s)
5439 KB/s (1934768 bytes in 0.347s)
6383 KB/s (2311577 bytes in 0.353s)
1567 KB/s (11760 bytes in 0.007s)

=============================================
Step3 : Setup of dual recovery.
=============================================

##########################################################
#
# Installing XZDR version 2.8.21 RELEASE
#
#####

Temporarily disabling the RIC service, remount rootfs and /system writable to allow installation.
The byeselinux module does not yet exist, installing it now.
Module installed succesfully.
Copy recovery files to system.
Rename stock chargemon
Copy chargemon script to system.
Copy dualrecovery.sh to system.
Copy rickiller.sh to system.
Installing NDRUtils to system.
Creating /system/.XZDualRecovery to store a backup copy of busybox and the init.rc files.
Copy busybox to system.
Copy init's *.rc files in to /system/.XZDualRecovery.
Trying to find and update the gpio-keys event node.
Found and will be using /dev/input/event3!
Trying to find and update the power key event node.
Found and will be monitoring /dev/input/event2!
XZDualRecovery will unload byeselinux every boot.
Speeding up backups.
Make sure firstboot goes to recovery.

=============================================
DEVICE WILL NOW TRY A DATA SAFE REBOOT!
=============================================

=============================================
Your installation has already cleaned up after
itself if you see the install.bat/install.sh exit.
=============================================

=============================================
Installation FAILED!

Please copy and paste the contents of
this window/screen to the DevDB thread.
=============================================

He said "failed", but worked. :p