Find the best prices on Kali Linux Windows Penetration Testing and save money. currently you cant have both on the system together, if you need cuda toolkit you have to remove winexe,passing the hash, and some kali meta packages WITHOUT REMOVING THE REST OF KALI, that can only be done with aptitude and a lot of experience. Buy Red Hat Linux 7. Some programming languages come with companion debugging environments, like gcc and gdb that let you step through code, set breakpoints, examine the state of everything at those points in the execution and more - but there's generally less need for a heavy handed approach like that with shell scripts since the code is simply interpreted. Tags: kali, man-in-the-middle, mitm, wifi hacking, wifiphisher; no comments A new Wi-Fi attack tool has been made available on GitHub that automates phishing attacks over WPA networks, putting credentials and other supposedly secret data at risk. February 27th, 2019: GDB 8. Add commands to support debugging and exploit development (for a full list of commands use peda help): aslr-- Show/set ASLR setting of GDB. Kali Linux Dockerfile Published by Will Chatham on 3/7/2019 Since recently discovering there is now an official Kali Linux docker image, I’ve been fiddling with it and tweaking my own setup to get it to how I like it for the things I use it for. cを使ってgdbをビルドしたらLinuxでも動いた。 (H8移植編その2第14回)シミュレータのLinux対応. This course provides experienced programmers with a solid understanding of Linux kernel. Choose Keychain Access > Certificate Assis-tant > Create a Certificate… from the menu. Zdůraznit lze aktualizaci Linuxu na verzi 4. This is particularly helpful when you are using the Windows operating system. 1 using gcc 4. This section uses parts of the article Installing Mandriva Linux in a Chroot, which is distributed under the CC-BY-SA 2. CentOS version 7. How to Compile a C Program Using the GNU Compiler (GCC). Radare is a fantastic tool that allows disassembly and debugging of multi-architecture files. gdb is the acronym for GNU Debugger. 通过gdb的手册页，了解更多关于该工具的信息，并在代码中调试某些东西时尝试使用它。 调试器有一点与之相关的学习曲线，但值得我们努力工作。 Tag标签： linux programming. # gdb --args Start GDB and pass arguments # gdb --pid Start GDB and attach to process. This tutorial shows how to debug a Linux kernel running on VirtualBox using the VirtualBox debugger and VBoxGDB. When not using this. It's an Open Source Command Line Based Debugger That Comes Pre-Installed In Most Linux Distribution. Here you can also get user guide with installation instructions. BackTrack é um sistema operacional Linux baseado no Ubuntu . Add commands to support debugging and exploit development (for a full list of commands use peda help): aslr-- Show/set ASLR setting of GDB. Don't Miss: My Favorite Command Line Editors for Linux - What's Your Editor? In this article I am taking a look at some of the best 21 open source commonly used text editors in Linux on both server and. »Introduction to Vagrant Vagrant is a tool for building and managing virtual machine environments in a single workflow. Reverse-engineering: Using Linux GDB. Type "show warranty" for details. For example: (gdb) target remote /dev/ttyb communicates with the server via serial line `/dev/ttyb', and (gdb) target remote the-target:2345 communicates via a TCP connection to port 2345 on host `the-target'. DDD can be found at /gnu/ddd/ on ftp. IDA: Linux Debugger. OBSOLETE: API-Review is now defined in All-Projects refs/meta/config rules. Print (on the standard output) a description of the command line options understood by gcc. Zdůraznit lze aktualizaci Linuxu na verzi 4. GDB - Installation - Before you go for installation, check if you already have gdb installed on your Unix system by issuing the following command:. Since Android platform is based on Linux, command-line is the only way to obtain and manipulate root access often required to perform certain advanced operations on your device using root access. You've reached the website for Arch Linux, a lightweight and flexible Linux® distribution that tries to Keep It Simple. Written in Python, it is designed for rapid prototyping and development, and intended to make exploit writing as simple as possible. System calls WSL executes unmodified Linux ELF64 binaries by emulating a Linux kernel interface on top. This is particularly helpful when you are using the Windows operating system. Đây là hướng dẫn cài Kali Linux trên Windows 10, không cần USB boot, phần mềm ảo hóa gì cả. Follow below mentioned steps to compile GDB from scratch and install it. Before installing any Linux distros for WSL, you must ensure that the "Windows Subsystem for Linux" optional feature is enabled: Open PowerShell as Administrator and run:. The purpose of this lab is for you to explore how buffer overflows work and to use the gdb debugger to examine memory before and after executing a buffer overflow. For full details on GDB, see Using GDB: A Guide to the GNU Source-Level Debugger, by Richard M. Reboot the Kali Linux VM to complete the Guest Additions installation. Type "show warranty" for details. Person 1: You can't take over our country, there's 500 million of us!. When trying to remote gdb to an wmvare linux shell, you soon find out that its almost impossiple. A vi editor screen will appear. For ptrace, you just use "gdb -p <pid> and then x /100x 0x<mem value>" to read the memory value. As building the kernel on Raspberry PI itself could take several days due to a relatively slow CPU, we will be using an additional Linux machine to build it. 7, it must be upgraded before using Firebird 2. This tool helps to debug the programs written in C, C++, Ada, Fortran, etc. accessories/manifest api_council_filter Parent for API additions that requires Android API Council approval. Why publish books about Scratch? The Scratch Foundation and Bill Pollock answer in this Medium post. We provide an unique free online learning platform where you can learn about Linux, practise, play with Linux and interact with other Linux users. Complete source code for Ghidra along with build instructions have been added to the repository. cpp:17 17 double seriesValue=0. It provides various tools for testing security vulnerabilities. 1) e todas apresentam o mesmo erro. 3 已发布，该版本将内核升级到了 Linux Kernel 4. Découvrez le profil de Thierry Gayet sur LinkedIn, la plus grande communauté professionnelle au monde. Failing to insert a break point in gdb. The screenshot above shows GDB starting and delivering the banner to the user. -windows -w If gdb includes a GUI, then this option requires it to be used if possible. The gdbproxy starts fine:. Working on CLI is very helpful when you are testing something on a dev/test firewall, where you repeatedly try-out the same thing with different values, and don’t want to do multiple clicks from the UI and retype everything. GDBSERVER is a program that allows you to run GDB on a different machine than the one which is running the program being debugged. This list aims to help starters as well as seasoned CTF players to find everything related to CTFs at one place. Minimum - kernel 2. 11$ make This step will take a bit of time. Currently we have official packages optimized for the x86-64 architecture. How to create a 3D Terrain with Google Maps and height maps in Photoshop - 3D Map Generator Terrain - Duration: 20:32. 17 kernel series, Kali Linux 2018. at line  esp is subtracted by 0x20 or 32, now the stack will look like. It is your Gate to the the world of Linux/Unix and Opensource in General. The IMG format is commonly used to distribute programs, such as operating systems and applications or games. Visual Studio Code on Linux Installation. Kali Linux 2018. Next, we compared these options to the values in the registers at the time the shellcode is about to execute using GDB, shown in Figure 25. To check out a. At this time no compiled program has been loaded. gdb is popular in Linux community which is used by most. All features are included and described in notes. This site is operated by the Linux Kernel Organization, Inc. 6 修改变量 GDB 也能够在整个程序执行修改变量。. It runs on Linux, Windows and MacOS is translated into over 40 languages, and has built-in support for more than 50 programming languages. This is our ongoing Linux command series where we are going to review how we can use chkconfig command efficiently with it’s available parameters. As an example, we'll debug a Linux kernel. Just type vi followed by name of your C program and hit enter. With Linux, we can use Evans Debugger (edb) but we are going to go a bit more low-level and use GNU Debugger, which is all on the command line. Rootkit Detectors. currently you cant have both on the system together, if you need cuda toolkit you have to remove winexe,passing the hash, and some kali meta packages WITHOUT REMOVING THE REST OF KALI, that can only be done with aptitude and a lot of experience. See the complete profile on LinkedIn and discover Ravi Shanker’s connections and jobs at similar companies. All the code in this post was compiled on an x86(Debian) Kali-Linux 1. exe -M VC-1-Snapshot3. You may have to do one of two things. 0 and now Rolling Edition, IDA is no longer present. Failing to insert a break point in gdb. Usage of GDB and Objdump in Exploit Development — A hands on exercise for Reverse Engineering. 3 also includes the GBD – PEDA (Python Exploit Development Assistance for GDB) tools, and you can download the various installation or live images right now through our Linux software portal. The Windows Subsystem for Linux (WSL) was first introduced at Build in 2016 and was delivered as an early beta in Windows 10 Anniversary Update. (gdb) step ComputeSeriesValue (x=2, n=3) at broken. This reference was made for Vim 8. 3 on Mac OS X El Capitan 10. To quit GDB, type quit. That is Ubuntu is and always will be free of charge. In Kali, it should work out of the box. * Compile it as a Windows. The graphical user interface (GUI) domainates the current operating environments for personal computing. The interesting thing is that most people only need to use a very small subset of those commands. exe -M VC-1-Snapshot3. If you don't know how to program, start with a book on C. Just follow these steps:. При переходе с BackTrack R3 на Kali Linux устанавливается дефолтный драйвер nouveau и соответственно про такой ништяк как атака хеша перебором с помощью CUDA можно забыть. 12 or higher. Learn about Linux Hacking Tools, How to Stop Hackers Background on Linux. Follow below mentioned steps to compile GDB from scratch and install it. Kali Linux 2018. Plus, your purchase will support No Starch Press Foundation and Electronic Frontier Foundation!. Crossfire Buffer Overflow - Introduction. Celulares & TV - Diciembre 23 del 2001 - RareGaZz 18. 64-bit Linux stack smashing tutorial: Part 1 Written on April 10, 2015 This series of tutorials is aimed as a quick introduction to exploiting buffer overflows on 64-bit Linux binaries. Key Features: Enhance the display of gdb: colorize and display disassembly codes, registers, memory information during debugging. To also add it to the path of user root, add it to root's. I have three of them installed for the purpose of running hashcat but I'm not sure where to go from here as the system doesn't even see them. We provide an unique free online learning platform where you can learn about Linux, practise, play with Linux and interact with other Linux users. You can see these breakpoints with the GDB maintenance command `maint info breakpoints'. TCPDump and LibPCAP. $ (gdb) disas main $ (gdb) disas bufferOverflow You need to understand the assembly code to find where the return address is on the stack. Orange Box Ceo 7,993,814 views. start qsstv by running that command from the command line. Type "show warranty" for details. Now restart Apache, sit back, and wait for the segmentation faults to occur again. fr) # - eko ##### Introduction au reversing sous GNU/Linux x86 Avant toute chose, je tiens a preciser qu'il est preferable d'avoir quelques. The PING command is used to test the connection and latency between two network connections. The main portals of the site take you to lists of resources or collections of information, you can use to tackle problems in the particular area referred to. 10 and python 2. CUDA 10 is the de-facto framework used to develop high-performance, GPU-accelerated applications. Kali Linux logo jSQL Injection is also part of the official penetration testing distribution Kali Linux and is included in distributions like Pentest Box, Parrot Security OS, ArchStrike or BlackArch Linux. A cheat sheet of the commands I use most for Linux, with popup links to man pages. Go through the man page of GDB to know more about the tool, and try using it whenever you're debugging something in your code. 0 there are no major changes, but with 4. I'm trying to single step a raw arm binary using QEMU connected to GDB. Consultez le profil complet sur LinkedIn et découvrez les relations de Thierry, ainsi que des emplois dans des entreprises similaires. Here are some fundamental and common Linux commands with example usage: Filesystem ls. GDB Tutorial Gdb is a debugger for C (and C++). set args Set arguments to pass to program to be debugged. Apache CouchDB™ lets you access your data where you need it. Firebird Conference 2019: Firebird on the road from v4 to v5. hi nvidia-cuda-toolkit and winexe packages conflict both try to put the same file in /usr/bin (bin2c i believe). It features most used features one can think of, including server-client debug architecture (so you run the heavy debug part on your host/pc machine), but lack some bits as checkpoint-restart during execution. Hi, this morning, I did the upgrade of bind, and because of that, my libc6 was upgraded. -windows -w If gdb includes a GUI, then this option requires it to be used if possible. To read system memory, or another process memory, you have a few choices: /proc/ procfs, /dev devfs, and ptrace system call, and perhaps a lot more…. /exe -p param1 -i param2 -o pa. The PING command is used to test the connection and latency between two network connections. # Exploit Title: [french] Reversing on Linux x86 (with GDB) # Date: 20/08/2011 # Author: fr0g (hwc-crew. CUDA 10 is the de-facto framework used to develop high-performance, GPU-accelerated applications. Penetration Testing with Kali Linux (PWK) Advanced Web Attacks and Exploitation (AWAE) Offensive Security Wireless Attacks (WiFu) Cracking the Perimeter (CTP) Metasploit Unleashed (MSFU) Free Kali Linux training. Lite version is amazing, fast and it contains XFCE DE by default. Gdb-Multiarch is a version of GDB that supports multiple architectures. DDD can be found at /gnu/ddd/ on ftp. Adding a directory to the path of a user or all users would seem trivial, but in fact it isn't. 501(c)3 nonprofit corporation. Step-3: Configure and Compile it. They appear in information boxes at the bottom of the page. 1) 32bit but not work with me why ?. It has been around for over 10 years, and many non-Linux embedded systems already use it in conjunction with what is known as gdb stubs to debug a target remotely. I'm trying to single step a raw arm binary using QEMU connected to GDB. deb or maybe, if you have used Fedora, you should know the file type. How to Debug a C or C++ Program on Linux Using gdb By Gary Sims – Posted on Jun 26, 2014 Jun 22, 2014 in Linux The normal process for developing computer programs goes something like this: write some code, compile the code, run the program. My distro is Kali linux 64-bit. If you get errors which representing the missing of GNU C / C++ compiler on your Linux server, you can simply install it by the help of Linux package installer like YUM, Apt-get etc. Since Android platform is based on Linux, command-line is the only way to obtain and manipulate root access often required to perform certain advanced operations on your device using root access. What i'm trying to do here is: load a raw binary into memory point to the first instruction execute the. Most Linux systems have core dumps enabled by default. Tutorial: MCUXpresso SDK With Linux, Part 2: Commandline Debugging With GDB. Gdb or GNU Project Debugger is a great tool when you need to debug a program. All the code in this post was compiled on an x86(Debian) Kali-Linux 1. Compiling Exploit in Kali; Compiling Windows Exploits on Kali; NASM Commands; SSH Pivoting; SSH Pivoting from One Network to Another; Pivoting Using metasploit; Exploit-DB search using CSV File; MSF Payloads; MSF Linux Reverse Meterpreter Binary; MSF Reverse Shell (C Shellcode) MSF Reverse Shell Python Script; MSF Reverse ASP Shell; MSF Reverse. I'm trying to single step a raw arm binary using QEMU connected to GDB. Build a Program for STM32 MCU Under Linux: The STM32Fx and STM32Lx are MCUs based on ARM architecture. BackTrack Linux Related Posts. panic" parameter. If you discover any rendering problems in this HTML version of the page, or you believe there is a better or more up-to-date source for the page, or you have corrections or improvements to the information in this COLOPHON (which is not part of the original manual page), send a mail to [email protected]
perhatikan -> 0xb7004141 disitu ada 4141 , 41 adalah huruf "A" dalam bilangan hexadesimal. GDB itself sometimes sets breakpoints in your program for special purposes, such as proper handling of longjmp (in C programs). Informational list of build-essential packages. Here you can also get user guide with installation instructions. 04 comes with LightDM as default display manager. quit Exit from GDB. The PING command is used to test the connection and latency between two network connections. To read system memory, or another process memory, you have a few choices: /proc/ procfs, /dev devfs, and ptrace system call, and perhaps a lot more…. Take the time to read the documentation from GNU to learn more. Rootkit Detectors. Thank you for asking this question, it helped me a lot to recall all the stuff regarding Ubuntu. 04 definitely it will get install by using following lines of command but still system will not set it as. Contents gdb. 25 using atmospheric skip. edb-debugger Package Description. gz-- this package is the one you want. Kali Linux 2018. To get your Santoku-Linux to run on the VirtualBox, you need to have it attached it to your newly created Virtual Machine. SQL injection is a standout amongst the most widely recognised attacks against web applications. 30+ Stunning Gnome Desktop Themes for Linux users. Awesome CTF. Linux Applications Debugging Techniques/The debugger. My program operates like this: exe -p param1 -i param2 -o param3 It crashed and generated a core dump file, core. 0 had a huge number of additions and improvements including more Spectre and Meltdown fixes. 4 Screen size). kali (Auto)pwning XP with Kali; linux (Auto)pwning XP with Kali; Debugging Assembly Code with GDB TUI; malware. Here the good news, I tested the TP-LINK WN821N USB adapter and it seems to work properly in Kali Linux 2016. Add commands to support debugging and exploit development (for a full list of commands use peda help): aslr-- Show/set ASLR setting of GDB. Support for building GDB with GCC's Undefined Behavior Sanitizer. In this presentation, Vlad Horsun, Firebird core developer, explains the new transaction's features and related changes in garbage collection in Firebird 4. They appear in information boxes at the bottom of the page. 01-3kali1 amd64 [installato] aapt/kali-rolling,now 1:8. Vulnerability Exploitation Tools – Netsparker, sqlmap, Core Impact, WebGoat, BeEF. Đây là hướng dẫn cài Kali Linux trên Windows 10, không cần USB boot, phần mềm ảo hóa gì cả. 04 comes with LightDM as default display manager. I'm using the released 2011 toolchain. I meet a lot of computer students on PLUG(Pune Linux Users Group). Wireshark: Network protocol analyzer. Kali Linux Lite Docker is a bundle of scripts to generate Docker image for lightweight pentesting purpose. Reverse-engineering: Using Linux GDB. This GDB was configured as "i686-pc-linux-gnu". Has anyone been able to get gdb-peda working on Kali 4. How to create a 3D Terrain with Google Maps and height maps in Photoshop - 3D Map Generator Terrain - Duration: 20:32. Debootstrap Chroot. Thank you for asking this question, it helped me a lot to recall all the stuff regarding Ubuntu. The gdbproxy starts fine:. If you simply install GCC 4. Step-4: Install GDB. -symbols=file -s file Read symbol table from file file. I'm a newbie and just got into RE. Examining binary files in Linux A few different tips assembled together for one to find out information about an executable binary in Linux. Invariably I find them using TC i. I've been having tons of issues getting the drivers for these 2080s installed. I have three of them installed for the purpose of running hashcat but I'm not sure where to go from here as the system doesn't even see them. Though you can install Linux. Wonder How To is your guide to free how to videos on the Web. so, let's quickly start our today's topic. I have just upgraded to Qt Creator 5. With the ease of installation that APT provides, we have the choice amongst tens of thousands of packages but the downside is, we have tens of thousands of packages. 34 and glibc should be version 2. DDD can be found at /gnu/ddd/ on ftp. To avoid this you need to first check if package is installed on system or not and then attempt its installation. Thierry indique 17 postes sur son profil. GDB là một trình gỡ rối của GNU. The author is the creator of nixCraft and a seasoned sysadmin, DevOps engineer, and a trainer for the Linux operating system/Unix shell scripting. Type "show copying" to see the conditions. However, there are still tons of powerful tools, such as gcc and gdb, using the traditional text-based interface. We will be using Kali Linux. Open up a terminal Search for the terminal application in the Dash tool (located as the topmost item in the Launcher). If your glibc version is lower than v. Linux Applications Debugging Techniques/The debugger. Powered by the Linux 4. gdb> gcore. TecMint is the fastest growing and most trusted community site for any kind of Linux Articles, Guides and Books on the web. This version ship with kernel 4. gdb is the short form of GNU Debugger. Usually, you'd install things using your distribution's package management system. !! WIFI hacking is illegal. GDB Proporciona una robusta interfaz en línea de comando, permitiendo ejecutar un programa mientras se mantiene un completo control. Debugging core is implemented as a plugin so people can have drop in replacements. However I can login in text mood in different tty by pressing ctrl+alt+f2. No matter whether you want to practice Linux commands or just analyze/test your shell scripts online, there are always a couple of online Linux terminals and online bash compilers available. Every function has an identical prologue(The starting of function code) and epilogue ( The ending of a function). Purpose To develop a very simple buffer overflow exploit in Linux. For even more information, the -ggdb switch can be used which includes debugging symbols which are specific to gdb. You can even use it to recover photos from your camera's memory card. Gdb or GNU Project Debugger is a great tool when you need to debug a program. These internal breakpoints are assigned negative numbers, starting with -1; `info breakpoints' does not display them. To obtain a copy of the source code for cuda-gdb using the RPM and Debian installation methods, the cuda-gdb-src package must be installed. When your program stops, the GDB commands for examining the stack allow you to see all of this information. Developer Web Interface for ReactOS is a web tool to support the development of ReactOS. The console can be opened using the gdb command on terminal. For this blog post we will be using Kali Linux which already has the GDB binary installed and referenced in our path so to start the binary simply type gdb on the command line. 01 with Compilers ( GCC , G , GDB ) for Posted by Tausiftech at How to install Kali Linux 2016. 6 ptrace_scope misconfiguration local privilege escalation exploit. starting with version 6. C Programming–In Linux (Step By Step) A terminal window will pop up. debugging techniques and tools. Examining binary files in Linux A few different tips assembled together for one to find out information about an executable binary in Linux. Accounting & Finance. Kali Linux 2018. Just follow these steps:. BOCHS is painfully slow, and you still have a kernel in charge that you can't look into easily. 3 branch (gdb-8. The graphical user interface (GUI) domainates the current operating environments for personal computing. 0 (Debian 4. Purpose To develop a very simple buffer overflow exploit in Linux. I meet a lot of computer students on PLUG(Pune Linux Users Group). Estou tendo dificuldade na instalação do GDB na minha máquina Kali Linux(VBox), já tentei instalar varias verções do GDB(7. Learn Linux from the safety of your chair using a remote private linux machine with root access. 3 brings the kernel up to version 4. Linux kernel has a nice feature that reboots itself after a timeout when a kernel panic happened. It often comes distributed with a *nix installation, so if you are running Unix or a Linux variant you likely have it on your system. It will install the tools in /opt/tools - thpsetup. Wireshark won't launch when logged in as root or normal user. June 24, 2015 TehAurum buffer overflow, dep, gdb, Kali Linux, nx, ret2libc, rop 2 Comments Exploit Development: Stack Buffer Overflow A stack buffer overflow occurs when a program writes more data to the stack than what is allocated to the buffer. $ sudo apt install build-essential This will take a few minutes. We provide an unique free online learning platform where you can learn about Linux, practise, play with Linux and interact with other Linux users. Every function has an identical prologue(The starting of function code) and epilogue ( The ending of a function). Posted on behalf of Stephen Hufnagel. You can return any integer you like but there are some Linux specific rules on what return value means what. Gdb or GNU Project Debugger is a great tool when you need to debug a program. GDB for Linux GDB không thực sự là một công cụ hỗ trợ lập trình nhưng nó lại là công cụ khá cần thiết với những người lập trình trên *NIX. -nowindows -nw “No windows”. The same text is available online as the "gdb" entry in the "info" program. This tutorial shows how to build a Raspberry PI kernel and install it on the device. Debian Containers. Surely, if you have used Debian, you should know the file type. BOCHS is painfully slow, and you still have a kernel in charge that you can't look into easily. This four day course includes extensive hands-on exercises and demonstrations designed to give you the necessary tools to develop and debug Linux kernel code. Contributed PKGBUILDs must conform to the Arch Packaging Standards otherwise they will be deleted! Remember to vote for your favourite packages! Some packages may be provided as binaries in [community]. View package lists View the packages in the stable distribution This is the latest official release of the Debian distribution. Lite version is amazing, fast and it contains XFCE DE by default. GCC is the GNU Compiler examples and code generator. The main portals of the site take you to lists of resources or collections of information, you can use to tackle problems in the particular area referred to. Découvrez le profil de Thierry Gayet sur LinkedIn, la plus grande communauté professionnelle au monde. Kali Linux. Download PDF here. 9 Must Have Online Linux Terminal Emulator for Practice By Nevil Patel 1 Comment Over the years, linux has evolved to be a powerful platform for both developing and conventional usage!. gdb can also use [RET] in another way: to partition lengthy output, in a way similar to the common utility more (refer to Section 21. Muito bom o artigo. I installed using the process BUT this release is quite old. Replase it by full "gdb" packet with include python support. Bratalarm Crackme (Part IV) Bratalarm Crackme (Part III) Bratalarm. GDB là một trình gỡ rối của GNU. These connections can be either in a local area network or a wide area network or the internet as a whole. A step-by-step and how-to tutorial on testing and proving the buffer overflow vulnerabilities and exploits using GNU C programming language on Linux platforms and Intel x86 microprocessor The vulnerable and the exploit program examples using C programming language based on the SUID/GUID programs on Linux opensource machine with Intel microprocessor. The above command generate the output file called “vmss.