Software :: Use Grep Through A Binary File For Sequence Of Bytes?
Apr 7, 2009
Is it possible to use grep to search for a sequence of bytes? For instance say I was looking for the following byte sequence in a file:
64 03 40 30 ; add eax, fs:[eax+30h]
Is this possible to do using grep?
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Jan 14, 2011
i would like to add 8 bytes of data to the begigning of a binary file.is there a command for this?
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Aug 17, 2010
I lost an important file. I know what bytes the file begins with. How can I search the partition for the sequence of bytes?
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Jun 4, 2011
I am facing problem on executing commands like df -h,ls-l,grep etc in /bin.
it is showing below errors:--
----------------------------------------------------------------------------------
login as: root
root@220.226.102.217's password:
Last login: Sat Jun 4 11:14:20 2011 from 220.227.54.149
-bash: /bin/egrep: cannot execute binary file
[code]....
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May 5, 2011
Is there any Linux utility to combine two or more binary files into a single binary file ?
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Jan 9, 2011
I recently had to move to a new machine, everything went well except for one thing. I did fresh installation of LAMP server all with default configs. Every time I'm using PHP script to that invokes include, require or require_once I get the following error:
Code: Fatal error: Allowed memory size of 20971520 bytes exhausted (tried to allocate 7680 bytes) in /var/www/index.php on line 2 index.php file: PHP Code:
<?php include "index.php";?>
icukapi.php file:
PHP Code:
<?php echo "test";?>
My memory_limit in php.ini is set to 20M. I tried to increase that however it didn't quite work. PHP seems to allocate all possible space and return that message every time i try. If somebody has an idea of how to fix it I would be more than grateful. I spend quite a long time searching for an answer however the all things i found suggested increating memory_limit which in this case doesn't work.
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Nov 22, 2010
I need to kind of grep within grep. My input file would be something like:
[Code]....
and I need to find the first occurrence of hello before MY PATTERN (hello 9008 in this case), so the output should be:
[Code]....
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Dec 17, 2008
How do i fill a file with <n> bytes at a given value ,for example 3?
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Apr 20, 2010
I have few different usb cards and socets , some of them i have really hotwired.. and i would like to find out where to keep my usb-hdd . few months ago i would use "total commander" it would show .. copying-444Kb/s but these times are over...
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Oct 31, 2010
If I have sequence of image file like this:
image.0001.jpg
image.0002.jpg
image.0003.jpg
...
image.9999.jpg
Is there anyway to list all file like this?image.[1-9999].jpg
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Jun 14, 2010
I am having problems with scp during a backup operationI added a ps -ef before and after the scp operation used during the backup.The backup is a script to backup a Zimbra ServerI am including the code segment that I am having problems
Code:
# DRCP Section. To scp newly created archives to a remote system
if [ "$DRCP" = "yes" ]
[code]...
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May 23, 2011
i am trying to convert a binary file in to ASCII using shell script. this file contains multiple types of data like string, number, bcd, etc.
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Sep 1, 2011
I've had Ubuntu 11.04 installed on my desktop since it's release. Up until an hour ago, it was working fine. I clicked on an update from the update manager, now booting into a graphical mode is completely broken, (the start-up load hangs at 'Check Battery State ... [0k]'). I restarted my computer, and booted into safe mode, and launched the terminal. This all works fine. I then typed :
Code: sudo gdm start into the command prompt, hoping that I would be able to start things manually. Instead, it spat out this: Code:
gdm-binary[230]: WARNING: Unable to load file '/etc/gdm/custom.conf'. No such file or directory.
gdm-binary[230]: WARNING: Unable to find users : no seat-id found.
gdm-binary[230]: WARNING: Gdm Display: display lasted 0.070467 seconds
The last line was printed about 8 times, with slightly different times, before it gave up and failed. Some information which might help, I have Gnome 2, Unity and KDE (not sure which version), installed. My graphics card is the GTX 275, and I have driver the Nvidia driver 275.21. So yeah, I think the update has gone and moved custom.conf somewhere, but I have no idea on how to fix it. I have a graphics programming assignment due on Friday and I would be eternally grateful if I could get this fixed well before then.
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Sep 7, 2010
how to verify if the file is binary or text without to open the file
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Feb 18, 2010
In a project I'm working on with a few other people, I got the task of writing an assembler. The last thing I do is convert the commands into a binary representation, and jam it into a file. Now one of my teammates said he'd like to be able to "reference" the code within another program. He said he'd be able to do this if the file I output is a Linux object file. I'm thinking it'd also work as an executable. Anyway, he said he'd like to be able to grab the file and reference the binary by address. I'm still fuzzy on this, and if you're confused with what I said here, please tell me so I can ask him for better details.Anyway, I'm aware that gcc can compile files to ".o", but that's only for C/C++, and my file is just binary. I'm also aware of "ld", but I haven't seen any use of it to help me. I'm happy to hear suggestions as to what I can do. If anything, I think I'll implement a few functions to grab the bits and hand them to him in an array or something.
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Dec 11, 2010
Code:dd if=/dev/sda bs=1 count=2048 of=johnIs there a linux tool to search for a sequence of bytes within john? E.g., to look for 0x6a84b5fe78 ?
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Apr 11, 2010
I am trying to find a way to replace a set of sequential numbers in a file with a different sequence using sed. This might be done easier using awk or some sort of bash script, but it seems to me there must be a way to do this easily with sed. Basically, what I am editing is a Cisco switch config. I want to change the sequence of ports to a different numbered sequence. Here is an example of what I am trying to do.I want to change for example, the file:
Code:
cat testfile
interface FastEthernet0/1
[code]...
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May 1, 2011
My script.
This is may script:
Code:
Problem: Output file doest not exclude the values in grep -av
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Nov 30, 2010
How to coded version info and other information likes author and company name into the ELF binary?
I prefer the put the version info during build step.
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Sep 25, 2010
someone once told me that use can pass a file to grep and use that to search the contents of another file. if that is the case I'm not entirely sure why the following isn't working for me.
Code:
[root@LCENT01:~]#grep -i id_rsa.pub .ssh/authorized_keys
[root@LCENT01:~]#cat id_rsa.pub >> .ssh/authorized_keys
[root@LCENT01:~]#grep -i id_rsa.pub .ssh/authorized_keys
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Dec 22, 2010
I am trying out an open source software According to its installation instruction, "Linux users with an x86 compatible platform can use the frozen package for a quick installation (Just unpack the tar file in directory an start the faces binary). "So I just did it and unpacked it. However, when I click on the application file, which is named "faces", nothing happens. I'm new to Ubuntu so I'm not sure if there is anything that I should do before I can click and run an application like this?
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Apr 29, 2010
[b] i got downloaded qt-sdk-linux-x86_64-opensource-2010.02.bin binary file then how to install that one[]
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Sep 20, 2010
I'm new to Fedora, and haven't used any flavor of Linux in years. I'm attempting to run a few benchmarks that were given to me by my instructor, but every one I try to run gives an error "Cannot execute binary file". For instance,.inp.inThis command gives an error:bash: ./Mcf: cannot execute binary fileIt is not a permission problem, I have confirmed the file has execute permissions (one of the things I still remembered after all these years). I suspect all the benchmarks I have been given were compiled on Ubuntu. Would this be causing the problem? I do not have access to the source code, so I cannot recompile. If that is the problem, is there a way around it that doesn't involve throwing away a weekend and starting fresh on Ubuntu?
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Sep 24, 2010
I found a Linux .x86 binary file that I've been looking for, but not sure what to do with it. Does this (*.x86) binary file format seem like something that could simply be run by command, or something that would need to be compiled first? There is not much information that I could find regarding the particularly file.
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Nov 13, 2010
I've been trying to launch a binary file, but I keep getting this error.
Code:
[csegale@localhost pSX]$ ./pSX
[src/linux/sound.cpp, line 215]: 'snd_pcm_hw_params_set_access(pcm_handle,hwparams,SND_PCM_ACCESS_MMAP_INTERLEAVED)' returned 'Invalid argument'
[Code]....
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Jul 14, 2010
I have a strange issue on one of my machines. The same thing works fine on all the others. When I execute:
Code:
sudo -u myuser -i ls
I get:
Code:
/bin/ls: /bin/ls: cannot execute binary file
On the other hand if I just run
Code:
sudo -u myuser -i
and then run ls, it executes successfully, but I don't want to stay logged in as myuser I just want to run a single command.
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Jun 7, 2011
I'm trying to install this app called genBlast. It's a bioinformatics tool that does some cool stuff (I guess the actual use doesn't matter that much). Anyway, it comes as a .tar.gz folder with about a dozen executables in it; no compiling necessary. I extracted it to the desktop so I didn't have to worry about permissions, and then just tried to run it from inside the directory (it's a command line app).
All of the executables work with a ./ except one, and it's the most important one for that matter. When I go to run it, I get the error message Code: bash: ./genblast: cannot execute binary file I've checked permissions with ls -l, run a chmod 'u+x' just to make sure, and everything else I can think of. But it just won't work. Also, I just installed it on another computer and it works fine, so I'm pretty sure it's on my end.
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Oct 27, 2010
I want run binary files but shoot my errors that "Cannot Execute Binary file" I try with ./file, bash file etc i'm using fedora12 with KDE Desktop this happends with all binary files
do you know which extension is?
somebody knows why i cant run?
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Nov 3, 2010
I tried to restart my httpd service.cannot execute binary file seems like the HTTPD wasnt stopped while it should be stopped. it skipped the 'stop' and just right away jump into 'start' command. my case is i just changed some php.ini configuration, and to have it changed i need to restart after changes.am i correct if i say my '/bin/rm' and '/bin/touch' files are corrupted?
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Nov 30, 2010
I have a binary file which display a lot of message when I run that binary. This binary file is statically linked with many files which are unknown to me. Is there any way to know from which file (obj or static lib) does these printf come from?
There is a way to get to know about the source of a symbol, but I am interested about the source of a string.
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