Questions tagged [inotify]
inotify is a Linux kernel subsystem that works to expand filesystems to notice changes to the filesystem, and report those changes to applications.
43
questions
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User limit of inotify watches reached on Ubuntu 16.04
I just installed Ubuntu 16.04 and I get this warning when I start SmartGit:
IOException: User limit of inotify watches reached
Moreover I get this warning launching tail -f:
tail: inotify resources ...
60
votes
2
answers
56k
views
How can I tell if I am out of inotify watches?
I use an application that consumes inotify watches. I've already set
fs.inotify.max_user_watches=32768
in /etc/sysctl.conf but last night the application stopped indexing unless I ran it manually, ...
39
votes
4
answers
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How do I fix a "Can't access Dropbox folder" error?
I'm having a rather strange problem with Dropbox that started a few weeks ago.
Dropbox will stop syncing with the message "Can't access Dropbox folder", and refuse to sync until I reboot.
I've tried ...
13
votes
3
answers
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How to run a script when a directory is changed by another user?
I know has been a bit of discussion about topics similar to this. But here is what I am basically trying to do.
I have a watch directory called watched and whenever a file is added to that directory, ...
13
votes
4
answers
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Why do inotify events fire more than once
This question arises from another one that I had posed on Stackoverflow. I am using Watcher - the same issues apply to Incron - to monitor a folder and its child folders for changes and silently ...
8
votes
2
answers
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How do I run a python script whenever a file is created in a directory?
So, I'm trying to do this, somewhat, simple task, but I have not been successful yet. I'm hoping that changes now.
The goal:
Run /var/www/lager-scanner/filer/pluk_script.py whenever there is a new ...
8
votes
2
answers
5k
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Evince is no longer auto-reloading documents. How can I troubleshoot this?
Evince (the pdf viewer) used to reload my .pdf files after I compiled them in LaTeX. However, this behavior has recently stopped to the point where I have to manually reload Evince (control + R) to ...
6
votes
2
answers
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How do I get the filename from inotifywait events?
So I'm doing a simple inotifywait loop to watch for changes in a Bootstrap directory:
while inotifywait -r -q --format %w bootstrap/; do
echo "something happened"
[[ $filename == *.js ]] &...
6
votes
2
answers
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views
inotify/max_user_watches value resets on reboot; how to change it permanently?
Some software that I'm using needs a higher-than-default value in /proc/sys/fs/inotify/max_user_watches. I can modify this value with a text editor or from the terminal, and for a little while, ...
6
votes
2
answers
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Monitor folder and run command if there is a file there?
I would like to have my Ubuntu monitor Folder A. If there is a .sh file there, i would like to move that file to Folder B and run it in the background. Is this possible? What should I use to make it ...
5
votes
4
answers
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Stop inotifywait instance
I made a script to invoke inotifywait.
It works fine, but I sometimes want to stop it.
How do I stop the last inotifywait instance?
I cannot understand how to use inotify_rm_watch which I understand ...
4
votes
1
answer
12k
views
Why I got Failed to allocate directory watch: Too many open files?
I tried update on 22.04
Failed to allocate directory watch: Too many open files
Hit:1 https://download.docker.com/linux/ubuntu jammy InRelease
Hit:2 https://apt.releases.hashicorp.com jammy InRelease ...
4
votes
1
answer
5k
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How does one install the PECL inotify extension for PHP7?
I'm trying to get Inotify working on PHP7. I've installed the required packages:
sudo apt install php php-dev
And installed Inotify with Pecl:
sudo pecl install inotify
But it doesn't work:
$ php ...
3
votes
1
answer
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inotify in a remote shell and get the output back
My problem is very similar this one: inotify not fast enough
Except I am running inotify in a remote shell.
I need to monitor for file change on machineA from machineB. machineB has ssh access to ...
2
votes
1
answer
5k
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How can I monitor a directory for copy & pasting files?
How can I create a script for monitoring file transferring including the source location and the destination location ? ( example : Test.file from /home/Desktop to /home/Documents ) .
2
votes
3
answers
3k
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How to log access to a specific folder and changes in its contents?
I need to track folder access time, and want to know what changes are made to it.
How do I trigger those events? Is there a way to run a specific .sh file when the folder is opened?
2
votes
2
answers
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sysctl: permission denied on key 'fs.inotify.max_user_watches'
I have a Ubuntu 16.04 LTS (GNU/Linux 2.6.32-042stab127.2 x86_64) VPS
I am getting the following error while running my rails application
FATAL: Listen error: unable to monitor directories for ...
2
votes
1
answer
863
views
Why does inotifywait create files with "swp" or goutputstream in their names?
I'm trying to learn about inotifywait. I installed inotify-tools:
Start-Date: 2019-08-31 18:11:48
Commandline: apt install inotify-tools
Requested-By: dkb (1000)
Install: inotify-tools:amd64 (3.14-7)...
2
votes
1
answer
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How do i get the change by oberving file with inotifywait
I want to get the user name each time when its password is changed in
/etc/shadow.
Here is my script:
while inotifywait -e attrib /etc/shadow; do
#edit user
...
2
votes
2
answers
255
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Internal Differences Between File deleted from GUI and CLI
I am using inotify system call for watching one of my file for all the events (delete,modify etc).
But When I deleted file from GUI, no notification was fired.
Whereas when I deleted file from CLI ...
2
votes
1
answer
526
views
Inotifywait apply regex pattern on changes in a file
Requirement: Alert if there is any package installed or removed in the ubuntu server.
For this requirement, I'm trying to use inotifywait to continuously monitor dpkg.log, if there are any changes ...
2
votes
1
answer
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help cannot change inotify watch number because file cant be over written
so I'm trying to start using lsyncd for a more up to date backup system.
the problem that i have run into is that the directory that i have to backup contains more than 250,000 items and i would like ...
1
vote
2
answers
166
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Temporary file creation is skipped when moving files from monitored folder
I came to this post (Monitor folder and run command if there is a file there?) about monitoring folders and then execute an action on found files.
Everything works, but now I want to add a ".tmp&...
1
vote
1
answer
2k
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Increase inotify watchers without using root priviledges
Is there a way to increase the amount of inotify watchers without having admin privileges?
In worst case, with apt-get?
I am not admin, but have sudo apt-get install permissions.
1
vote
1
answer
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Is it possible to see old notifications?
I recently changed some settings in my inotify configuration so that phpstorm would be able to index my files better(I think?). Now my dropbox installation is on the fritz. It can't scan through my ...
1
vote
3
answers
3k
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How to use inotifywait in a non-blocking way and mail the results?
I've tried several times to test my script, but with no success. This is the script:
zenity --question --text "my text"
if [ $? -eq 1 ]; then
zenity --warning --text "my text"
else
ping -n -...
1
vote
1
answer
564
views
Need help with inotifywait loop only processing one file
I have created a shell script that runs an inotifywait command.
It watches a folder for new image uploads (That comes from a website) and then uses Imagemagick to resize them, move them to another ...
1
vote
0
answers
727
views
inotify does not track renaming events while watching a single file
I'm using inotifywait to keep track of events on a single file (instead of a directory), as
$ inotifywait -m -e open -e close -e move myfile.txt
When I open and edit the file, the logs are printed as ...
1
vote
0
answers
36
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Inotify cannot detect valid path [duplicate]
I m using inotify to get events of file changes in directory.
int fd = inotify_init();
for(const fs::path& p : fs::recursive_directory_iterator(filename)){
if(fs::is_directory(p)) {
...
1
vote
1
answer
451
views
Adding script bash variables to awk and inotify
I want to create a script that will log every access of a directory or any file from that directory during a day, for that, I use inotifywait, but I don't like the output even though i formated it, I ...
1
vote
1
answer
718
views
Detecting file changes in directory synced with external cloud storage in Ubuntu 16.04 LTS
I am making a software that detect if a new file is uploaded into the Google Cloud Platform's bucket storage from virtual machine instance. A file directory named images was mounted to the bucket ...
1
vote
0
answers
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Alternatives for Monitoring and logging changes anywhere in file system [Ubuntu 14.04] [duplicate]
I would like to monitor and log following changes in file system:
Opening and closing of any file by any user.
Creation/deletion of file by any user.
Files downloaded by any user.
After some ...
0
votes
2
answers
2k
views
How to use inotify to auto refresh a png file when the png file changed
I am trying to visualize some data, and my program outputs a png file. Each time when I modify my program, the output png file changes. So I hope to have an image viewer that can automatically reload ...
0
votes
1
answer
1k
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inotifywait not detecting links
I have successfully created a watcher for modifications inside a directory, recursively:
inotifywait -m -r -e modify --format '%w%f' "$Path" | while read File
do
echo "File $File is ...
0
votes
0
answers
433
views
Inotifywait not working on /var/log directory
This sets up the watches, but no log files are created. Is that because var/log is root?
#!/bin/bash
# Ubuntu_Mate 18.04 LTS
# Does NOT work Maybe because directory is root owned ??
# Use ...
0
votes
1
answer
769
views
inotifywait command to monitor files deleted
This gives no notification if a file is deleted. It works with created files.
delete file or directory deleted within watched directory
dir=/home/andy/Downloads/
inotifywait -m "$dir" -...
0
votes
0
answers
1k
views
inotify watch limit reached
I receive the following message when I attempt to restart smbd. I understand that inotify has something to do with watching for changes in the filesystem, but I'm not sure where to start in ...
0
votes
1
answer
859
views
udevadm test command on Ubuntu gives warnings not seen in Manjaro
I created a very simply udev rule /etc/udev/rules.d/99-local.rules that runs a script to create a file in /tmp when a USB key is inserted into my computer. I tested this on a Raspberry Pi 4 running ...
0
votes
0
answers
65
views
Why is torbrowser-launcher trying to use inotify for my IME?
torbrowser-launcher
readout suddenly included:
inotify_add_watch(~/.config/fcitx/dbus) failed: (Permission denied)
I checked another machine and it's not there.
This has never appeared before.
Any ...
0
votes
1
answer
140
views
When specific string in output, do another command
I am currently trying to write a script that monitors my bashrc. I use inotifywait -m /root/.bashrc. I wanted to use this as a start script, so everytime my machine boots, inotifywait is executed and ...
0
votes
1
answer
1k
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Systemd / Ubuntu 19.04 / Can't seem to get a systemd script to launch a terminal
I'm hoping I can get some community help with a script I'm trying to pull together. I'm still learning here so I am prone to stupid mistakes.
I'm trying to achieve some automation when I mount a USB ...
0
votes
0
answers
698
views
Which files ubuntu watches by default
I am working with meteor js, when running meteor command (which builds up the web app), I got this output to the terminal:
=> It looks like a simple tweak to your system's configuration will make ...
0
votes
0
answers
79
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Folder Action for Ubuntu [duplicate]
I have a question concerning Ubuntu folder action ,
I need a script to notify me when a file is add to a folder or the folder changes ,
is there any possibility for that.
I found some articles ...