As of May 31, 2023, we have updated our Code of Conduct.

Questions tagged [inotify]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0 votes
1 answer
399 views

sysctl: permission denied on key "fs.inotify.max_user_instances"

I'm running a docker container, in the development environment. I'm trying to set the fs.inotify.max_user_instances value. Since inside the docker container I'm the root user, thus the sudo is not ...
Saeed Neamati's user avatar
0 votes
1 answer
88 views

python InotifyTree versus linux inotifywatch: which is more reliable?

I’m working in ubuntu and need to monitor a directory tree for new subdirectories and files. These are populated by rsync; dozens of subdirectories and hundreds of files may be added in less than one ...
Tomasso's user avatar
  • 125
0 votes
0 answers
30 views

inotify used by vscode and web service for changes in same file

I use a web server and inotify to check for files changing and posting the new content. It works well if I change the files with an ordinary editor (e.g. pluma): the changed file is posted. If I use ...
user855443's user avatar
0 votes
1 answer
70 views

Any Linux Kernel configuration required to be enabled in OS for Inotify to work?

I've been having trouble researching this topic so I'm hoping someone can point me in the right direction. Are there any Kernel configurations required to be enabled in the OS for Inotify to work? ...
durzua07's user avatar
0 votes
1 answer
56 views

inotifywait script case statement stops working after a while

I have the following bash script, run at system startup to view files dropped into the /srv/mutt directory. It works perfectly for a while but then simply stops 'seeing' files arriving in /srv/mutt. ...
Chris Green's user avatar
1 vote
1 answer
78 views

Can someone explain this xargs command structure to me?

This command is a part in a row of piped inotify workers (do you say that?) etc. I thought it would fit the one question per post policy better than asking for a dissection of the whole (very useful !)...
von spotz's user avatar
  • 365
0 votes
1 answer
408 views

Use Inotifywait to handle multiple files at the same time

I'm scripting a special program to my company. By using Inotifywait from inotify-tools, I'm watching a specific folder for new items, and as soon a new file appears, it will be encrypted with gpg and ...
Lucas Santos's user avatar
0 votes
0 answers
165 views

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

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
  • 203
1 vote
0 answers
55 views

watch a whole directory and print diff on file change

Is there a way to easily watch a full directory for changes and print a diff when a file changed? Context: I would like to discover the name of the options in KDE Plasma's configuration by watching ....
tobiasBora's user avatar
  • 3,146
2 votes
1 answer
251 views

How to "listen to" directory size changes?

I need to do some actions when a directory grows above a certain size limit. Obviously, obtaining the size can be done with du, but a single run of du takes a long time in my case, loads the disk ...
user10732's user avatar
0 votes
1 answer
81 views

How to automatically run a command when directory updates?

is these a way to watch a directory in CentOS (/opt/data for example) and every time a files gets added to that directory we have a command automatically run? I installed inotify but not sure if that ...
Tina's user avatar
  • 1
2 votes
1 answer
414 views

inotify detect a new file write without missing write_close event

I want to watch a file created and written in a directory by a process. I don't have access to inotifywait tool, so I'm using just the inotify library calls. I start with IN_CREATE to monitor that the ...
rookie's user avatar
  • 135
2 votes
1 answer
129 views

inotifywait ignore new directory

I'd like to ignore a directory that has not been created at the time I start inotifywait. I have an empty directory test: ubuntu@foo:~$ ls -lah test/ total 8.0K drwxrwxr-x 2 ubuntu ubuntu 4.0K Sep 5 ...
23tux's user avatar
  • 163
0 votes
1 answer
176 views

Monitor several directories for specific files' creation, every 10s

OS: Ubuntu 22.04 LTS. Many posts deal with file monitoring. One in particular is of interest and based on inotifywait, but I don't know how to modify it for my purpose. Objective: to monitor $HOME/{...
Trynn's user avatar
  • 3
1 vote
1 answer
256 views

Debounce inotifywait for large files

I upload files for deployment into a remote directory. That remote server has a script that watches the directory for new files: inotifywait --monitor --event create --format '%f' --quiet /foo When a ...
lonix's user avatar
  • 1,595
1 vote
1 answer
40 views

inotifywait : insert arbitrary string to output format

I want to capture inotify CLOSE_WRITE events in a directory and write CSV info to a history file. My attempt : #!/bin/bash dir=/home/stephen/temp host=$(hostname) inotifywait -e close_write -m --...
Stephen Boston's user avatar
0 votes
1 answer
189 views

inotifywait not detecting new directories

The script below watches for close_write events in the TARGET directory and does something with the file #!/bin/bash TARGET=/home/*/ftp/files inotifywait -m -r -e close_write $TARGET | while ...
ninsonTan's user avatar
  • 103
6 votes
1 answer
643 views

inotifywait ignoring new folders in watch directory

I am trying to use inotifywait to watch a folder (/shares/Photos) and when it detects a jpg added to the folder I need to resize it into a sub directory ($small_dir). Under the photos director there ...
JRC's user avatar
  • 75
0 votes
0 answers
33 views

Manual syncing of files each time it changes (between a desktop always connected home-wifi and a laptop that I carry around)

I know I have to use inotifywatch or something for this. I also know I can use rsync. I know that my connection should be made through SSH for better security but here's what I don't know: Where to ...
Sbeve's user avatar
  • 55
0 votes
1 answer
288 views

How to intercept file descriptor of file opened with inotify or others on access?

I just finished an Operating Systems course at my University, and I want to start playing with systems level programs with Rust. One of things I'm looking for is how to intercept a file descriptor of ...
Matanya's user avatar
  • 177
0 votes
1 answer
169 views

How to create a bash script that watches my local git repo and runs 'git log' every time I commit/checkout -b/push/status?

When I'm coding, I usually have 2 terminal tabs open in VSCode. The tab on the left is used for git commands. The tab on the right always has git log --all --graph --decorate --oneline showing me all ...
Bassam's user avatar
  • 3
0 votes
1 answer
150 views

I need some service that trigger actions once after any file is created, modified, deleted, copied or moved

The problem is that I'm not being able to keep track of all my files and I'm also tired of not telling which ones are important and which ones are a temporary file that some random programmer decided ...
Lerian Acosenossa's user avatar
0 votes
1 answer
491 views

Segmentation fault (core dumped) when using inotifywatch

I need to watch a file system for the creation of new files of a specific type. Thinking that this would be a perfect use case for inotifywatch, I set out to try and make something work. I went to the ...
Matt Camp's user avatar
  • 101
1 vote
0 answers
545 views

How to use a pattern when doing for loop of files in directory

I'm a novice bash scripter. Need help with the following. I have a script that uses inotifywait to watch a directory. Another process will drop a csv file in nightly. The file will be of the ...
John P's user avatar
  • 11
0 votes
0 answers
35 views

Check if Files Where Updated on HDD Without Spin-Up

I am looking for a way to check if files were added/deleted/updated on a network shared HDD without spinning it up if possible. First I will start with my set up. I have an Asus Router (running Merlin)...
Kayracer's user avatar
2 votes
1 answer
144 views

Notify when programs access path only via specific symlink

My HDD mountpoint was at /mnt/old, now I changed it to /mnt/new So for seamless transition now /mnt/old is a symlink to /mnt/new. Gradually I want all the programs to use the new mountpoint. How can I ...
asd's user avatar
  • 21
3 votes
2 answers
2k views

How to attach a listener to sysfs files?

How to watch for sysfs file changes (like /sys/class/net/eth0/statistics/operstate) and execute a command on content change? inotify does not work on sysfs I don't want to poll. I want to set a ...
Zeta.Investigator's user avatar
1 vote
1 answer
1k views

How is Inotifyd different from inotifywait in term of monitoring a directory and do some post actions?

I need to monitor a directory and do some post actions based on the events happened. I am familiar with inotifywait but since we use docker based on alpine, I was thinking about is there other way to ...
Qiulang 邱朗's user avatar
1 vote
0 answers
629 views

NFS async mode causes inotify to fire multiple CLOSE_WRITE events

I have a nfs server and a client (v4, both CentOS 7.6/7.8) On the server I have a program which uses inotifywait to copy away incoming files (on CLOSE_WRITE) On the client the share is mounted like ...
Arikael's user avatar
  • 175
1 vote
0 answers
17 views

Is there a way to get a list of every single directory watched by inotify on a system?

I'd like to obtain a complete list of what a particular program (not mine, installed as a package) is watching, because some notifications it generates make it appear to be looking at things it ...
Walf's user avatar
  • 1,222
3 votes
1 answer
1k views

Listing the files that are being watched by `inotify` instances

I got a little script that lists the number of inotify watches per process. That usually gets me what I want, but now I would like to know which files are being watched. I assume this is possible and ...
oligofren's user avatar
  • 1,070
0 votes
1 answer
165 views

Detect changes in network status on SBC running Debian using inotify?

I have Debian 10 running on a small SBC (industrialized Raspberry Pi like form factor). I have some python programs running that make use of inotify capabilities. I want to detect when the network ...
Travis Griggs's user avatar
1 vote
1 answer
744 views

inotify only acts upon modification by root

On my Debian Buster system I want to run a bash script when a certain file is modified. I have created and enabled a service in /etc/systemd/system which looks like this [Service] ExecStart=/usr/local/...
220284's user avatar
  • 141
0 votes
1 answer
283 views

monitoring xinput in script

My laptop has a cracked touchscreen that the local Asus tech tells me can't be replaced, not even with a non-touch because they just don't make them anymore. It is in all other respects a great laptop ...
Stephen Boston's user avatar
0 votes
1 answer
28 views

Is it possible to continuously feed parallel with more input?

What I want to do is something like this: inotifywait -m ./input -e close_write -e moved_to | parallel --max-args 1 "someSlowSingleThreadedTaskThatActsOnThisFile" I can't imagine that ...
Clonkex's user avatar
  • 152
2 votes
2 answers
385 views

How to use parallel with inotifywait?

I currently have this: inotifywait -m ./input -e close_write | parallel --max-args 1 "echo {1}" For some reason this doesn't do anything at all. The output of inotifywait is the same as ...
Clonkex's user avatar
  • 152
0 votes
1 answer
332 views

Inotifywait not executing when actions to be taken are on remote server

I am trying to monitor file creation with inotifywait and execute a long script on every file creation. Everything works smoothly when the action to be taken is on the same server. But when it ...
yazzou's user avatar
  • 45
2 votes
1 answer
349 views

How to combine inotify with tail command to print last line of every modified file

I have this command this shows me when a file has been modified under a concrete directory (excluding some paths): inotifywait -m -q -r --format '%T % e %w%f' --excludei '/trash/' --timefmt '%d/%m/%Y-%...
Pavel Razgovorov's user avatar
0 votes
0 answers
283 views

inotifywait not executing when files are created simultaneaously in watched folder

I am using inotifywait for executing automatically a script created with my web app in a given folder. I have setup inotifywait to watch file creation events in a folder and i am looking for a way to ...
yazzou's user avatar
  • 45
0 votes
0 answers
174 views

How to monitor a directory for changes across reboots?

I'm searching for a tool that will allow me to run a program for every change in a directory, but is guaranteed to run exactly once per change even across system reboots. For the purposes of this ...
Ryan Patterson's user avatar
2 votes
1 answer
143 views

awk behaving different with tail vs inotifywait

awk behaves differently when analyzing the output of tail -f versus inotifywait -m. Specifically I am searching for a matching string and want to exit awk once it appears. This works fine for tail -f, ...
FelixJN's user avatar
  • 11.9k
1 vote
0 answers
156 views

Inotifywait with counter does not work

I would like to run a command if there are 3 modifications events in the monitored directory. I have tried this, however, even though it works with the -m option, it does not work without the -m ...
kkk001's user avatar
  • 31
0 votes
1 answer
43 views

My main goal is to monitor Tomcat directory, if any user modify files in tomcat directory; print that user name in the log;

#!/bin/bash watchDir="$1" watchDir2="$2" date1=$(date '+%Y-%m-%d-%H:%M:%S') inotifywait -m -r --exclude \.log "$watchDir" "$watchDir2" -e attrib,delete,...
Srikanth Peddireddy's user avatar
1 vote
1 answer
110 views

Awk's behaviour changes when inside a script

I have a text file, "invoice.txt" containing a line beginning "Vendor Invoice Number" which contains an order number field of the form RCTI- followed by alphanumeric characters ...
treuben's user avatar
  • 11
0 votes
1 answer
261 views

inotifywait - need help with nested if statements

I am monitoring a folder ($WATCHED) for new files (only .mkv)/folders. When something shows up it is to copy them to a Destination folder ($DESTINATION) and then change the ownership and permissions. ...
S. Ray's user avatar
  • 27
0 votes
1 answer
438 views

inotifywait - Rename file using just filename, not full path?

How do I use just the filename to rename files use this script syntax? #!/bin/bash WATCHED=/mnt/Watched DESTINATION=/mnt/Destination inotifywait -re CLOSE_WRITE,CREATE,MOVED_TO --format $'%e\t%w%f' -...
S. Ray's user avatar
  • 27
1 vote
1 answer
1k views

"inotifywait -e close_write" ignores new folders in watch directory

I am trying to make a copy of completed files that are saved to a watch folder. I have created a bash script using inotifywait to watch the folder. My original script worked great with files and ...
S. Ray's user avatar
  • 27
0 votes
0 answers
48 views

Unable to detect when a USB is plugged/unplugged with inotify [duplicate]

I'm trying to detect when a USB device (Android Device) is plugged into my computer. I know when I plug a device in, this file is changed /sys/kernel/debug/usb/devices and if I do a grep for the UDID ...
Nikhil Wagh's user avatar
4 votes
2 answers
446 views

How can I see how many inotify watchers a user has open?

When I run a command in a container, I'm getting inotify_init1() failed: Too many open files How can I see how many inotify watchers I have open and what's holding them open?
Evan Carroll's user avatar
  • 26.9k
0 votes
1 answer
400 views

Bash script for monitoring a directory and symlinking all newly created subdirectories and their files

I am in need of a bash script to recursively watch a folder and symlink every new file and subdirectory to another folder. this script correctly symlinks subdirectories and their contents: #!/bin/...
user5672's user avatar