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Workaround and fixes for the current Core Dump Handling vulnerability affected kernels

Workaround and fixes for the current Core Dump Handling vulnerability affected kernels

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You are here: manpages





PEEKFD

Section: User Commands (1)
Updated: 2012-07-28
Index Return to Main Contents
 

NAME

peekfd - peek at file descriptors of running processes  

SYNOPSIS

peekfd [-8,--eight-bit-clean] [-n,--no-headers] [-f,--follow] [-d,--duplicates-removed] [-V,--version] [-h,--help] pid [fd] [fd] ...  

DESCRIPTION

peekfd attaches to a running process and intercepts all reads and writes to file descriptors. You can specify the desired file descriptor numbers or dump all of them.  

OPTIONS

-8
Do no post-processing on the bytes being read or written.
-n
Do not display headers indicating the source of the bytes dumped.
-c
Also dump the requested file descriptor activity in any new child processes that are created.
-d
Remove duplicate read/writes from the output. If you're looking at a tty with echo, you might want this.
-v
Display a version string.
-h
Display a help message.
 

FILES

/proc/*/fd
Not used but useful for the user to look at to get good file descriptor numbers.
 

ENVIRONMENT

None.  

DIAGNOSTICS

The following diagnostics may be issued on stderr:
Error attaching to pid ...
An unknown error occurred while attempted to attach to a process.. you may need to be root.
 

BUGS

Probably lots. Don't be surprised if the process you are monitoring dies.  

AUTHOR

Trent Waddington  

SEE ALSO

ttysnoop(8)


 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
FILES
ENVIRONMENT
DIAGNOSTICS
BUGS
AUTHOR
SEE ALSO


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