Tagged Questions

17
votes
4answers
4k views

Determine which process is creating a file

Given file path, how can I determine which process creates it (and/or reads/writes to it)?
11
votes
4answers
279 views

Is there a top-like command that shows the network bandwidths and file accesses of running processes

For example, we'd like to see: PROCESS IF TX RX FILE(regular) R/W prog1 eth0 200kB/s 12kB/s -- -- wlan0 12kB/s 100kB/s -- ...
4
votes
3answers
114 views

Why is there a type for process ids (pid_t), but not for file descriptors (fd)?

I see that pid_t is typedef'd in unistd.h, and file descriptors are defined to be int in fcntl.h. But since they are used in similar ways, wouldn't it make sense to have a typedef for file ...
3
votes
1answer
276 views

Redirecting/grep'ing an existing shell's STDOUT

I run a lot of long running processes (simulations) that print progress to STDOUT. I occasionally forget to redirect to STDOUT to a file I can grep, and it's usually too far along to restart. ...
2
votes
1answer
71 views

vim not shown in fuser

First use Vim to edit a file, say /tmp/A. Assuming that vim process is the only one that accesses /tmp/A, then use "ctrl+z" to suspend the process, and execute fuser /tmp/A Then you see nothing ...
2
votes
3answers
299 views

process that only root can run

I have created a process and it is running in the background as a daemon it.Now I want that only root should be able to view the output of that process.My process is something like "top" which ...
2
votes
1answer
49 views

remotely query text file associated with an instance of vi

I have opened several text files (a.txt, b.txt, c.txt, ...) in different sessions of vi launched from different instances of a bash shell. Having then accessed that machine remotely, I wish to ...
2
votes
1answer
116 views

Is there a way to determine which process creates a file on osx 10.6.8

I would like to know which process has created files on os X 10.6. I'm trying DTrace, which probably will give the right answer, but I have not eyes to see the method. I'm doing this because I think ...
1
vote
1answer
67 views

Command to list in real time all the actions of a process

I cannot remember this command (and googling was unsuccessful), but there is a way to get the list of actions performed by a process, that outputs something like # listprocessactions -p 1234 ...
1
vote
2answers
26 views

Single process accessible temporary file

I want to create a file that is only accessible to the process that created it (and potentially its children), and that disappears when the process exits, ideally never persisting the file to disk. As ...
1
vote
1answer
500 views

Automount lookup failed. How to determine what is trying to access the file?

Is there a way to find out what is trying to mount this file? Jul 13 14:27:24 myhost automount[13527]: lookup(file): lookup for tmp_dir failed Something is looking for "tmp_dir", and I've ...