Busybox nc

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By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Server Fault is a question and answer site for system and network administrators. It only takes a minute to sign up. I'm having trouble using my nc command. Everytime I enter any parameter, even using -hlinux just prints:. You are most likely working on an embedded system where many tools are only available in a limited form in the form of busybox. This tool collection only offer the most essential features, and it's entirely possible the nc features you want are not available. Modern OpenSSH versions don't need nc for a tunnel. Look into the -W parameter. It appears that your version of busybox nc has been compiled without listening capability. The messages and functionality ou are seeing are entirely consistent with this being not set. Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. No nc arguments being recognized Ask Question. Asked 4 years, 5 months ago. Active 4 years, 5 months ago. Viewed times. Jakuje 7, 2 2 gold badges 28 28 silver badges 36 36 bronze badges. It seems to be working. What is the problem you are having? What do you expect it should output? I want to be able to use options such as -l listen and -D for debug etc But everytime i feed in a option it won't allow it. Do I have to install additional packages? Active Oldest Votes. Is there a way to include more features to a tool in this case? See my edit for a better way to create a tunnel. So I don't think your way to create a tunnel will work for my purpose? I'm not an expert so I definitely could be missing something.

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By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. How are we doing? Please help us improve Stack Overflow. Take our short survey. Learn more. Asked 4 years, 5 months ago. Active 4 years, 5 months ago. Viewed 1k times. Maybe Busybox, netcat android is the reason. Best Regards, Robert. Robert Robert 1 1 silver badge 9 9 bronze badges. Active Oldest Votes. Good advise! Thank you! I have checked 2 stock ROM Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Q2 Community Roadmap. The Unfriendly Robot: Automatically flagging unwelcoming comments. Featured on Meta. Community and Moderator guidelines for escalating issues via new response…. Feedback on Q2 Community Roadmap. Triage needs to be fixed urgently, and users need to be notified upon…. Technical site integration observational experiment live on Stack Overflow. Dark Mode Beta - help us root out low-contrast and un-converted bits. Related Hot Network Questions. Question feed. Stack Overflow works best with JavaScript enabled.


It provides minimalist replacements for most of the utilities you usually find in GNU coreutils, util-linux, etc. The utilities in BusyBox generally have fewer options than their full-featured GNU cousins; however, the options that are included provide the expected functionality and behave very much like their GNU counterparts. BusyBox has been written with size-optimization and limited resources in mind. It is also extremely modular so you can easily include or exclude commands or features at compile time. This makes it easy to customize your embedded systems. BusyBox is extremely configurable. This allows you to include only the components you need, thereby reducing binary size. Run 'make config' or 'make menuconfig' to select the functionality that you wish to enable. Then run 'make' to compile BusyBox using your configuration. After the compile has finished, you should use 'make install' to install BusyBox. BusyBox is a multi-call binary. A multi-call binary is an executable program that performs the same job as more than one utility program. That means there is just a single BusyBox binary, but that single binary acts like a large number of utilities. This allows BusyBox to be smaller since all the built-in utility programs we call them applets can share code for many common operations. You can also invoke BusyBox by issuing a command as an argument on the command line. For example, entering. So most people will invoke BusyBox using links to the BusyBox binary. Generally speaking, you should never need to make all these links yourself, as the BusyBox build system will do this for you when you run the 'make install' command. If you invoke BusyBox with no arguments, it will provide you with a list of the applets that have been compiled into your BusyBox binary. Most BusyBox applets support the --help argument to provide a terse runtime description of their behavior. Read and optionally set system timebase parameters. See adjtimex 2. A script consists of one or more "expect-send" pairs of strings, each pair is a pair of arguments. Extract or list files from a cpio archive, or create an archive -o or copy files -p using file list on stdin. Give PROG a controlling tty if possible. Tiny RPN calculator. Compare files line by line and output the differences between them. This implementation supports unified diffs only. Disk space is printed in units of bytes. Send a magic packet to wake up sleeping machines. MAC must be a station address or a hostname with a known 'ethers' entry. Beware that many operators need to be escaped or quoted for shells. Comparisons are arithmetic if both ARGs are numbers, else lexicographical.

Sending TCP/UDP packets using Netcat

I want to thank the following companies which are providing support for the BusyBox project: Analog Devices, Inc. If you are an embedded device developer, please note that Analog Devices has an entire Linux distribution available for download for this board. BusyBox 1. Bug fix release. Sizes of busybox Closes ash: distinguish 'wait -n' from other bashisms ash: an unset dynamic variable should not be dynamic ash: add bash-compatible EPOCH variables ash: prevent error in backquotes in PS1 from exiting shell ash: catch error in arithmetic expansion in PS1 hush: add bash-compatible EPOCH variables du: don't count duplicate arguments. Closes man: don't skip default path which appears in config file stat: reduce storage for human-readable filesystem names vi: fix faulty undo after autoinsert vi: fix replacement of single character with CR vi: further fixes to undo after autoindent vi: allow manual screen update if SIGWINCH isn't supported vi: avoid build failure in non-default case vi: fix changes to word at end of line. Closes vi: enable 'dG' command. Changes since previous release: Andre Goddard Rosa: smemcap: keep outputting by ignoring transient processes Baruch Siach: install. Closes ntpd: skip over setting next DNS resolution attempt if it is not needed pgrep: fix "pgrep -v -P1"; also allow matching of comm. Closes unzip: do not use CDF. Closes unzip: optional support for bzip2, lzma, xz unzip: properly use CDF to find compressed files. Closes tls: a tiny TLS1. No code changes kill: need not build kill. If you are stuck with a kernel from July or earlier 2. You can work around it by reverting this patch in 1. You also probably need to plan migration to a less ancient kernel. Closes lineedit: fix completion with applet names. Closes install: fix musl problem with dirname ip: fix an improper optimization: req. Closes tc: consolidate its disabled bits tcpsvd: don't keep shared fd open if fd limit is reached. Closes unshare: --network should be --net. Closes httpd: fix heap buffer overflow. Closes iproute: support "scope". Android is based on Linux kernel, but sadly and unexplicably, Android userspace is not Unix-friendly: in many cases, things are done differently than in "usual" Unix systems. This step is device-specific. Installed the SuperSU application. Installed the Termux application - it provides a small repository of essential tools: gcc-based toolchain, git, ncurses, etc. Ran its terminal, installed packages I needed, pulled Busybox git tree.

Toybox is a free and open-source software implementation of some Unix command line utilities for embedded devices. These include lscpmvand about others. Busybox is mostly used in the copyleft FOSS domain, while Toybox is used mostly with permissive licensed projects and by commercial companies, e. Google's Android [8] which is an explicit target of Toybox [9]. Feature-wise, Toybox has not reached parity with Busybox. As of version 0. In March the project was relicensed to an even more permissive 0-clause BSD license, a Public domain equivalent license variant. At the end of Toybox was integrated into the Android 6. In January the proposal of creating a BSD license alternative to the GPL licensed BusyBox project drew harsh criticism from Matthew Garrett for taking away the only relevant tool for copyright enforcement of the Software Freedom Conservancy group. The official Toybox documentation lists an overview of the available, partially available and the missing commands. According to the roadmap to version 1. From Wikipedia, the free encyclopedia. This article is about the suite of Linux command line utilities. For other uses, see Toy box. List of Toybox Commands acpi — shows battery status and other ACPI information arch — print the type of computer architecture. Free and open-source software portal. Toybox project website. Retrieved 13 July IT Wire. Retrieved

Busybox - Intro -14- commands more, mount, mt, mv, nameif, nc, netstat and nslookup

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