CentOS 7.0 - man page for peekfd (centos section 1)
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PEEKFD(1) User Commands PEEKFD(1)
peekfd - peek at file descriptors of running processes
peekfd [-8,--eight-bit-clean] [-n,--no-headers] [-f,--follow] [-d,--duplicates-removed]
[-V,--version] [-h,--help] pid [fd] [fd] ...
peekfd attaches to a running process and intercepts all reads and writes to file descrip-
tors. You can specify the desired file descriptor numbers or dump all of them.
-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
-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.
Not used but useful for the user to look at to get good file descriptor numbers.
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
Probably lots. Don't be surprised if the process you are monitoring dies.
Trent Waddington <firstname.lastname@example.org>
psmisc 2012-07-28 PEEKFD(1)
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