The binary tag has no wiki summary.
0
votes
2answers
42 views
What does mean by “Debian on track to prove binaries' origins”?
I found an article on The Register of the UK about the reproducible builds in Debian. I couldn't understand much from it. Could anyone simply this for me, please? Here's the link: Reproducible Builds
9
votes
1answer
187 views
When can I edit strings in an executable binary?
I have an executable binary; let's call it a.out. I can see the binary contains strings
$ strings a.out
...
/usr/share/foo
....
I need to change the string /usr/share/foo to /usr/share/bar. Can I ...
1
vote
1answer
15 views
file (vdi) increase (at double) size after split and then cat operation
I'd splitted a vdi file with 7 gigabytes and then joined with cat command. The file works normally on VBox, but get 14 gigabytes after be re-joined. The exact operation was:
$ split -- bytes=2000M ...
0
votes
1answer
51 views
Can't run binary executable on Ubuntu 12.04
I get the following error: ./cataclysm: command not found when trying to run this executable on a Linux server over SSH.
When I run ldd cataclysm, I get:
linux-gate.so.1 => (0xf7759000)
...
3
votes
3answers
69 views
Modifying binary during execution
I often come across the situation when developing, where I am running a binary file, say a.out in the background as it does some lengthy job. While it's doing that, I make changes to the C code which ...
15
votes
5answers
2k views
Generating a random password; why isn't this portable?
I want to generate a random password, and am doing it like so:
</dev/urandom tr -dc [:print:] | head -c 64
On my laptop, which runs Ubuntu, this produces only printable characters, as intended. ...
1
vote
1answer
72 views
Equivalent of Java's String.getBytes() in Unix Shell (Cygwin)
Let's say I convert my string into byte array.
byte[] byte sUserID.getBytes(“UTF-8”); //Convert User ID String to byte array
Now I need to write a script on Shell that will have exactly the ...
0
votes
1answer
41 views
Convert serialized Java object to human readable
I have object of class
class X {
private DateTime dt;
"constructor, set/get"
}
I have one instance of this object serialized in file.bin.
I want to show content of `file.bin on the Linux ...
2
votes
1answer
54 views
Find/replace on block device?
Let's say I have an unmounted block device /dev/sda, and I want to replace all instances of MyPassWord with XXXXXXXXXX. (Hopefully my goal is obvious.)
What's the easiest way to do this?
2
votes
1answer
218 views
How to get binary representations of strings in Shell?
I'm using openssl dgst -sha1 -binary to get hash values of my strings in binary format.
(I'm using -binary flag because my version of openssl adds "stdout" before each hash value on default output, ...
4
votes
1answer
175 views
how to run a software in linux without installing it
I am trying to run Rstudio download page link. On my Windows machine, I just downloaded the zip file from zip/tarballs section and was able to run .exe without installing anything on my machine.
I'd ...
1
vote
1answer
64 views
How can I teach grep to treat properties-files like text-files
Since I upgraded grep from 2.16 to 2.21 it treats .properties-files like binary files. This sucks because I like to use grep -I ... to exclude binary files from the search results and ...
0
votes
1answer
14 views
Combining parts of original Android with newer sources to create a new image [closed]
Hi I wanted to talk to the pros on the compiling and decompiling Android source and binaries respectively. Is it possible to decompile an Android OS running in a device and get its source, so that you ...
2
votes
2answers
576 views
Use curl to send binary file through POST with content-type multipart/form-data;
A post request is made to:
http://www.example.com/example/
and the post data is as follows:
------WebKitFormBoundaryB8NNdk2kNdndnnn
Content-Disposition: form-data; name="picture[uploaded_data]"; ...
0
votes
1answer
100 views
using CURL to transmit binary data over POST parameter
How can i use CURL to send binary data through a specific post parameter?
E.g in:
curl 'http://www.example.com' -H 'hi:hi' --data ...
0
votes
0answers
68 views
How to use binaries in jailshell?
I'm offering jailshell (on CentOS- whm) access to someone in order to use the folder sync tool called Unison (Some sort of bidirectional rsync)
That's for the background.
Unison is installed, as ...
1
vote
0answers
249 views
Can not execute Heroes of Neweth binary file
I'm trying to install Heroes of Newerth on openSUSE 13.2, KDE 4.14. I downloaded the client from official website.
I checked is executable option in properties. But when i double clicked on the file ...
1
vote
2answers
91 views
Where to download binaries of coreutils?
I'm trying to install some commands on an android device (namely file and a better version of ls), and I'm looking for the ARM binaries for it (namely the 5TE architecture) but I'm unable to find a ...
0
votes
1answer
61 views
Are Linux Executables Compatible through All (x86_64) Linux Systems? [closed]
The Windows desktop proprietary softwares I see are usually distributed as statically compiled binary only files, possibly with some dlls, and the needed data files bundled in a package unpacked in a ...
0
votes
1answer
25 views
Linux/Unix Executables && FSH with libs/executing sequence
Okay, relatively new Linux User here. (Messed around with Linux for ages, looking for more depth)
I know that all files in Linux can be executed if they have the executable bit.
What are these ...
0
votes
1answer
215 views
unsquashfs fails
Debian 7.0, I extracted the firmware.bin image using binwalk. The extracted content is squashfs-root folder containing subdirectories, and a separate file.squashfs file. I tried unsquashfs this ...
5
votes
1answer
60 views
Representing/quoting NUL on the command line
Can \0 be used on the command line?
Background
For testing corner cases in GNU Parallel I was curious whether all characters were correctly quoted on the command line. Most of them are:
perl -e ...
1
vote
1answer
86 views
Converting a file from ASCII to Binary
I have a series of files that are either delimited and fixed width, containing many rows of both character and numeric values like so (delimited example):
Smith,Audrey,Ford,2000,21300.99
...
4
votes
3answers
160 views
How to convert an unsigned decimal (less than 1<<32) to 4 bytes (binary) in bash?
Example:
$ decimal=$(( RANDOM << 17 | RANDOM << 2 | RANDOM >> 13 ))
$ echo $decimal
$ printf "%08x" $decimal | xxd -r -p >bytes
The result is in bytes file.
Can it be done in ...
2
votes
1answer
83 views
How to gather byte occurance statistics in binary file?
I'd like to know the equivalent of
cat inputfile | sed 's/\(.\)/\1\n/g' | sort | uniq -c
presented in ...
1
vote
2answers
79 views
How can I effectively purge a manually installed package?
I installed SBCL 1.2.3 on Ubuntu 12.04 by downloading sbcl-1.2.3-x86-64-linux-binary.tar.bz2, and running
sudo bash install.sh
However, I was curious about how I would be able to uninstall it? It ...
2
votes
2answers
239 views
Fetching individual bytes from a binary file into a variable with bash
I need to make a fairly simple bash script to pull bytes one at a time from a binary file, send it out a serial port, and then wait for a byte to come back before I send the next one. This is ...
1
vote
1answer
94 views
How could i flip content of a binary file with bash commands
I was wondering if it's possible to do bitwise conversion on a binary file, with bash commands, (in my case bitwise negation).
4
votes
2answers
707 views
Convert file with integers written in ascii to binary file of integers
I have a file that contains a long list of integers written in ascii separated with newlines, like such:
-175
2
-19345
345592
-45
2355
etc...
I want to convert this file into a "binary" file ...
5
votes
2answers
2k views
tr complains of “Illegal byte sequence”
I'm brand new to UNIX and I am using Kirk McElhearn's "The Mac OS X Command Line" to teach myself some commands.
I am attempting to use tr and grep so that I can search for text strings in a regular ...
1
vote
2answers
2k views
What is Binary package? How to build them?
I want to get detail about binary package and run them on linux. I am running Debian base (Ubuntu/Linux mint) Linux os.
How to build binary package from source? And can I directly download
binary ...
2
votes
1answer
248 views
md5sum command binary and text mode
The GNU md5sum command has two modes: binary mode and text mode. I guess the difference is only on how newline characters are handled? Am I right?
On GNU/Linux, the two modes always produce same ...
6
votes
2answers
311 views
In an empty environment, how are executables found?
For experimentation purposes I created a binary that prints the $PATH, and calls which as follows:
#include <stdlib.h>
#include <stdio.h>
int main() {
char *path = getenv("PATH");
...
0
votes
2answers
59 views
Is it possible to cache external binary in a shell script?
My question, might sounds a bit strange, but this morning I read this question:
Why is “echo” so much faster than “touch”?
I perfectly understand the concept of built-in function, but I wonder if you ...
2
votes
2answers
119 views
How to add new elements to PATH for daemons (or other best practices)?
I want to add some scripts for custom administrative work to a Linux server (Ubuntu 12.04). Ultimately those scripts are callback scripts from at least one daemon (PostgreSQL in my case but that ...
0
votes
1answer
50 views
How to issue a warning to administrator (when the administrator issues a system restart) when user has process running
Background
I work on a development team and for each project we have a different server setup to emulate the environment of our customers. It can be hard to keep track of what I was doing on each ...
3
votes
2answers
2k views
Why using cat on binary files messed up the terminal and how?
If I understand correctly the cat manual:
concatenate files and print on the standard output
cat will take files as argument and print them on standard output.
What I don't get is if I use the ...
1
vote
1answer
282 views
How to install Intel binary file on Arm?
I am trying to install a binary file and I get the output as "Cannot install binary"
When I did file .bin Output is: c64plus-imglib_2_02_00_00_Linux-x86_Setup.bin: ELF 32-bit LSB executable, Intel ...
13
votes
4answers
416 views
A shell-like environment for binary processing
This question came to me a couple of times before, now in response to the question
Loop through binary data chunks from stdin in Bash
Answers given in ...
5
votes
1answer
795 views
Loop through binary data chunks from stdin in Bash
I'm looking for something like while IFS= read -r -n $length str; do ... done but for binary data. Is it possible to do this using dd or other tools? Is there some technique to make these tools able ...
2
votes
2answers
4k views
Can xxd be used to output the binary representation of hex number , not a string?
I would like to generate a raw binary packet from hex in the command line for the purpose of testing a protocol. I'm hoping its simpler to do it this way than writing an aplication.
Here is what ...
2
votes
2answers
134 views
What is PATH on a Mac OS?
What is the PATH in a Mac OS? I have used it to install global command-line tools, but the only documentation I have found are tutorials for doing just that, with no real explanation of what is ...
4
votes
2answers
988 views
Can vim display ASCII characters only, and treat other bytes as binary data?
I already know vim -b, however, depending on the locale used, it displays multi-byte characters (like UTF-8) as single letters.
How can I ask vim to only display ASCII printable characters, and ...
0
votes
5answers
594 views
On executable files in Linux [closed]
It is said that in linux, unlike Windows, there's not a clear border between executables and other files.
Well, in Windows, I write a C++ program, then it is precompiled, compiled and then linked to ...
8
votes
1answer
2k views
How to store an image file in bash variable?
After I use the following command,
pngString="$(cat example.png)"
echo -n "$pngString" > tmp.png
I can't open the tmp.png as a PNG file. Maybe some information is lost when I use $pngString ...
1
vote
2answers
647 views
How can I make awk on Busybox treat the entire input with NULL character in between as a single record?
I wrote a base64 encode script for my Busybox system.
#!/bin/sh
base64encode()
{
/usr/bin/awk -- '
function asc(char,l_found)
{
l_found=0;
for (i=0;i<=255;i++){
if ...
3
votes
1answer
65 views
Is there a way to “stabilize” past built unstable Gentoo binary packages without rebuilding?
Here's the scenario:
build some ~amd64 package versions on your binhost
later those same package versions go stable in portage, so no version bumps involved
even if packages are listed stable in ...
5
votes
1answer
223 views
Merge nonzero blocks of huge (sparse) file A into huge file B
I have two partial disk images from a failing hard drive. File B contains the bulk of the disk's contents, with gaps where sector reads failed. File A is the result of telling ddrescue to retry all ...
-2
votes
2answers
202 views
How to handle binary data in Linux [closed]
One of the my servers gives me data with Content-Type: application/binary, i.e data that I am getting looks like some alien data.
Now I need to convert that data into plain data, but I am not aware ...
3
votes
4answers
265 views
Bash: For loop with binary range keeping control value binary
Let's say I have two bash variables that contain binary values:
a=0011 # decimal 3
b=1000 # decimal 8
Is there a way I can loop through all the possible values between $a and $b keeping it binary? ...
