Stack Overflow
Stack Overflow

Questions tagged [lsof]

Unix command that lists the files, sockets, and other file-descriptors that processes have open.

236 questions
3
votes
2 answers

Is there a perl function similar to lsof command in linux?

I have a shell script which archives log files based on the whether the process is running or not. If the log file is not used by the process then I archive it. Until now, I'm using lsof to get the log file being used but in future, I have decided…
cbrdy
  • 792
  • 1
  • 8
  • 27
2
votes
1 answer

Socket Descriptor Leak - lsof Can't Identify Protocol?

What is "can't identify protocol" when I run the command /usr/sbin/lsof -p 20085. The output of lsof is shown below leak 20085 niki 3910u sock 0,5 2457507716 can't identify protocol leak 20085 niki 3911u sock 0,5 …
Nikhil
  • 576
  • 1
  • 11
  • 31
2
votes
2 answers

Move file in Linux only when it's not in use by another process

Using the lsof command, I can determine whether a file is in use by some process, but I need to atomically check a file for use and move it only if unused. These files are in use by various other programs over which I have no control, so I can't use…
Jegschemesch
  • 11,414
  • 4
  • 32
  • 37
2
votes
3 answers

Could I list all running docker-compose files?

I was wondering if it would be possible to list all running docker-compose files with a bash function? Something like docker ps or docker container ls, but I want it to show the files only. I got started with this - lsof | egrep 'REG|DIR' | awk…
kvelev
  • 53
  • 10
2
votes
2 answers

A flask website, when it delete a file (os.remove("abc.txt")), the file is removed but the space is not reclaimed

The program is a standard flask program, and it does some cleanup as part of the initialization. In the cleanup() procedure, using os.remove("abc.txt"), I noticed that the file is removed, but not reclaimed by the OS. I use both "python website.py"…
Ben L
  • 171
  • 1
  • 9
2
votes
2 answers

How to identify if file is still written or completed through linux script

We have one system which is generating files and I want to check which files out of many files are completed and also not been modified from past two minutes through a script and finally rename those. This is what I tried but the result is not…
Rohit Shamdasani
  • 31
  • 7
2
votes
1 answer

lsof not giving o/p for bash built in read

When I do find / on a terminal and then do on another terminal lsof -a -d 0-2 -c fin I see o/p listed from execution of lsof command. But when I do echo hi ; read -t 30 hello hi on the same terminal ( as find) and do (on different terminal) lsof…
Ankur Agarwal
  • 23,692
  • 41
  • 137
  • 208
2
votes
3 answers

How can you tell what files are currently open by any user?

I am trying to write a script or a piece of code to archive files, but I do not want to archive anything that is currently open. I need to find a way to determine what files in a directory are open. I want to use either Perl or a shell script, but…
Anthony
  • 21
  • 2
2
votes
1 answer

One command to kill a process using a specific port

For a project, I constantly need to find the process using a specific port and kill that process. I do this by: lsof -i :portnumber #read the pid kill -9 pid Since I do this a lot, I'm a bit bored to do so. So, I wonder if there is a way to kill a…
Yazgan
  • 151
  • 11
2
votes
1 answer

How to kill VueJS application running on localhost:8080 (MacOS)

My environment: MacOS Mojave I created a VueJS application from their templates using vue init pwa frontend ? Project name frontend ? Project short name: fewer than 12 characters to not be truncated on homescreens (default: same as name) ? Project…
Kevin Patrick
  • 444
  • 1
  • 7
  • 17
2
votes
0 answers

Linux process holding deleted file space

I have a process which is accessing a file. When I delete the file from the file system the space is not freed. when I do lsof | grep deleted I can see the process is holding the deleted file. I tried to kill the process through kill -9 my…
Dev
  • 3,885
  • 10
  • 39
  • 65
2
votes
1 answer

Check if field in a output of command is empty or not

I am executing the command lsof -nPs The output of the command: COMMAND PID TID USER FD TYPE DEVICE SIZE NODE NAME systemd 1 root cwd DIR 253,0 4096 128…
Jay Joshi
  • 1,402
  • 1
  • 13
  • 32
2
votes
1 answer

Hang in poll system call

My program intermittently hanging in the poll call strace output poll([{fd=52, events=POLLIN}], 1, 250 <... poll resumed> ) = 0 (Timeout) <0.250281> wait4(16953, 0x7f00cd24d90c, WNOHANG, NULL) = 0 <0.000019> Looks like it is…
Parthiban Manoharan
  • 307
  • 2
  • 12
2
votes
3 answers

formatting lsof output into parsable structure

I am trying to format lsof output in a more parsable way. Background: since not all processes with open handles have thread IDs, the number of fields separated by whitespaces (blanks AFAIS) is not necessarily determined. As output fields, I need the…
THX
  • 553
  • 2
  • 8
  • 18
2
votes
2 answers

Outgoing TCP port matches listening port

I've encountered a weird happenstance where the results of my lsof | grep 40006 produced java 29722 appsrv 54u IPv6 71135755 0t0 TCP localhost:40006->localhost:40006 (ESTABLISHED) Generally I see java …
user535674
  • 23
  • 3
1 2 3
…
15 16