Questions tagged [inotify]

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ClamScan skip files During the scan

We have configured ClamAV to automatically scan files in a monitored directory using inotifywait. # Start the monitoring tool and log the scan results nohup inotifywait -m -r -e create "$...
samtech 2021's user avatar
0 votes
1 answer
513 views

What's the maximum safe limit for fs.inotify.max_user_watches?

I run an Ubuntu 23.04 system with 32 GB of RAM, and about 10 nspawn containers open. I've set fs.inotify.max_user_watches = 120000000 but I'm STILL getting Failed to allocate directory watch: Too many ...
CabbageGremlin's user avatar
0 votes
1 answer
272 views

replace symlink with file on write

Is there a way to make a file system/server replace a symlink with an actual file on write? Something like inotify would work, but as far as i can tell, I cannot run code before the write operation is ...
Paul S.'s user avatar
2 votes
0 answers
975 views

How to monitor file changes on a Linux device using inotify and cpp? [closed]

I have cpp application running on an embedded-linux device. Now, I want the application to report if there is a change in a file on the device. I came across std::filesystem library and inotify(...
Preeti 's user avatar
  • 131
1 vote
1 answer
151 views

How to set sysctl fs.notify.max_user_watches in GUIX? (guix system: error: service 'sysctl' provided more than once)

IDE's like PyCharm work better when fs.inotify.max_user_watches is set to a high level. How to do that in GUIX? I recall that the approach by Draketo used to work up to a few months ago: https://www....
BlackShift's user avatar
2 votes
0 answers
735 views

How to track changes of environmental variables in linux?

For the linux file systems there is inotify that helps to track file system events. Is there a similar mechanism to track changes of environmental variables?
Edik Mkoyan's user avatar
0 votes
1 answer
1k views

How to make fail2ban use pyinotify on fresh ubuntu 20.04 install?

I just created a new Ubuntu 20.04 server. I installed Fail2Ban for ssh protection. I noticed in /var/log/fail2ban.log that the sshd jail starts with "poller" as the backend. I haven't ...
scott8035's user avatar
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0 answers
5k views

what is "/sbin/init maybe-ubiquity" doing in Ubuntu 18.04.4 LTS?

I have a current problem with a server that goes incommunicado (or at least close to) due to lack of inotify watchers. When I look up the current usage i see that /sbin/init maybe-ubiquity is the ...
koenig's user avatar
  • 133
1 vote
0 answers
2k views

Identify incomplete SFTP transfers

I'm writing a shell script which would use inotify to monitor certain directories for incoming SFTP uploads. When a client is done uploading a file, the file would be handed over to another script ...
erebus's user avatar
  • 121
0 votes
1 answer
1k views

Don't send modify event to inotifywait if file is opened

I use VSC as an editor on Windows 10 Pro and want to sync to a remote server on file change. I installed WSL with a debian guest system If I run this script while inotifywait -r -e modify,create,...
yunzen's user avatar
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0 votes
3 answers
742 views

Dynamically Change Watch Directories for Inotify

Thanks for any help in advance! I have set up an inotifywait script to monitor some applications for configuration changes. I am globbing to create all of the directories to watch; however, if there ...
Tyler R's user avatar
  • 101
1 vote
1 answer
606 views

inotifywait name space issue

I follow the "/ home" directory and its subdirectories with the bash script below. but when the directory names are blank, the script does not work correctly. #!/bin/bash inotifywait -m -r -e ...
ihk's user avatar
  • 13
0 votes
1 answer
347 views

Does Windows file share (samba protocol) have an incremental API?

I'd like to query a windows share for "all files added/edited/removed since timestamp yyyy/mm/dd hh:mm:ss" Does such a thing exist? The only thing I know of is inotify - is this the only option? ...
Nicholas DiPiazza's user avatar
1 vote
1 answer
2k views

Why is inotifywait -m running multiple times? (infinite loop)

I have a git post-receive script that looks like this: #!/bin/bash export GIT_WORK_TREE=/home/git/worktree mkdir -p $GIT_WORK_TREE while read oldrev newrev refname do # ensure the working copy ...
Andy's user avatar
  • 111
0 votes
2 answers
456 views

rename or move on close_write?

I've been driving myself crazy trying to figure this out. inotifywait -m -r -e close_write --format '%?' folder How can I take the specific file that triggers this event and rename and then move it, ...
Terry's user avatar
  • 1
6 votes
1 answer
2k views

Dropbox: Unable to monitor dropbox folder

I'm using Dropbox on an Arch Linux System. Everything worked fine for months now, until today. When running Dropbox from command line, it prints the error message: Unable to monitor entire Dropbox ...
LukeLR's user avatar
  • 1,513
1 vote
0 answers
968 views

Recursively watch entire file system?

For a software project I need to watch file system events* of entire filesystems on linux, each of which easily consists of more than 200.000 directories. How can I achieve this? (I already got it ...
Mark Jeronimus's user avatar
0 votes
1 answer
2k views

List or update contents of a directory when modified (ie new file created or file deleted) to a text file

I use linux mint and I want a text file to reflect the changes of files in a directory, it should contain the names of files that exist in the directory and add newly created files automatically. I ...
Nobody's user avatar
  • 103
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0 answers
521 views

unison-fsmonitor fails on BashOnWindows

When running Unison on BashOnWindows, I receive the following error when trying to run in file watching mode: Fatal error: Filesystem watcher error: unexpected error 22 while adding a watcher The ...
johnnyodonnell's user avatar
0 votes
2 answers
2k views

Detecting which command/script deleting your files using inotifywait

One of our application servers periodically deletes file inside : /home/test/data The problem is we still dont know which the script or command deleting the files so we trying to use inotifywait. We ...
Lezir Opav's user avatar
3 votes
0 answers
133 views

NFS /usr/share breaks Policykit beause of inotify support

I just tried moving some files including /usr/share to a NFS partition to save space when running many similar virtual machines. The configuration mostly works except when starting services I think ...
spraff's user avatar
  • 2,108
0 votes
1 answer
364 views

Inplace modification of incron monitored files

I have samba share where users create video files, i need to stripe audio tracks from that video files and rsync new files to remote folder. I monitor the samba share with CLOSE_WRITE option, to strip ...
Edik Mkoyan's user avatar
2 votes
1 answer
2k views

I want to execute a file every time a file changes

I have a python script that automatically ends after X amount of runs, at the start of the program it sets the value of restart.txt to 0 using this code. restart = open("restart.txt", "w") restart....
Jaf's user avatar
  • 23
2 votes
1 answer
1k views

Ignore new directories when using inotifywait to watch for new files

I'm using inotifywait to watch for new files. I would like to ignore new directories though. I can't seem to get anything to work. Here is what I'm using: #!/bin/sh MONITORDIR1="/hdd_1/path/to/dir" ...
David Custer's user avatar
26 votes
3 answers
69k views

Continuously detect new file(s) with inotify-tools within multiple directories recursively

I just installed inotify-tools. I would like to continuously detect new file(s) with notify-tools within multiple directories recursively, and send an email using postfix. I can probably handle the ...
David Custer's user avatar
3 votes
1 answer
4k views

Other ways to increase max open files?

I have an application which keeps giving me the following error. tail: inotify cannot be used, reverting to polling: Too many open files I have already followed all the advice I've been able to find ...
sffc's user avatar
  • 407
20 votes
1 answer
4k views

How to know which file or inode triggered a systemd.path unit?

Systemd offers unit files whom control monitoring of a certain path trough inotify: systemd.path(5). If a file or directory is modified in the watched path the corresponding systemd.service(5) is ...
Tim's user avatar
  • 1,213
2 votes
1 answer
1k views

In Linux, how do I run a program when a non-existing file inside a certain directory is attempted read?

I have a partition on a hard drive that is encrypted with dm-crypt using a passphrase. What I want to do is have a password prompt pop up when some program tries to read a file within this partitions ...
runeks's user avatar
  • 166
5 votes
1 answer
8k views

How do I configure fsnotify's queue size/watch limit on OSX?

Note: This might be a StackOverflow question, since it's about something that's only accessible via the internal API on OSX, but I'm posting it here since it seems to be more about using a tool that's ...
Zac B's user avatar
  • 2,893
14 votes
1 answer
9k views

How to get current number of opened inotify watches?

My system is CentOS. I'm trying to get this by listing fs.inotify variables via sysctl call (sysctl fs.inotify), but didn't found anything useful, only variables to specify limits.
Olegas's user avatar
  • 241
0 votes
1 answer
367 views

inotitfywait list accessed files (once) no duplicates

I am sure this is a simple question but i just cannot figure it out. List all files that (in any way) trigger an event defined in inotifywait. My command is: inotifywait -m -c -r $PWD > /tmp/file....
Michael's user avatar
  • 225
2 votes
1 answer
4k views

How to clear orphaned watch descriptors of inotify

After creating a file descriptor by calling inotify_init() I add thousands of watches to the inotify instance(hope it is right to call that so). My questions is if my program crashes what happens to ...
destan's user avatar
  • 1,137
12 votes
4 answers
8k views

Watch Filesystem in Real Time on OS X and Ubuntu

I'm looking for a CLI tool which will watch a directory and spit out the names of files that change in real time. some_watch_command /path/to/some/folder | xargs some_callback I'm aware of inotify (...
Adrian Schneider's user avatar
5 votes
0 answers
5k views

inotify or equivalent on CIFS mount?

I'm trying to use incron or inotifywait on a CIFS share but it seems that inotify does not work with such mounts (cf. http://lists.samba.org/archive/linux-cifs-client/2009-April/004319.html). Is there ...
infojunkie's user avatar
1 vote
2 answers
1k views

Help with Watch Directory Script

First, I should note that I am pretty new to writing scripts, but I know my way around ubuntu well enough that I don't mind getting my hands dirty... I have a small script, which does a simple ...
Nick DeMayo's user avatar
4 votes
1 answer
3k views

Monitor /sys partition for changes

inotify doesnt work on /sys and /proc file systems. So how can I monitor a /sys partition file without polling?
Abhijeet Rastogi's user avatar