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FileSyncDaemon

Linux daemon which synchronize two directories (source and destination) Support recursive mode, so all files and subdirectories are synchronized too. All actions made by daemon are logged and accessible in /var/log/syslog

Example logs view image

Usage

Usage: ./daemon sourcePath destinationPath [-d|--debug] [-R|--recursive] [-s=<sleep_time>|--sleep_time=<sleep_time>] [-B=<size_mb>|--big-file-size=<size_mb>]

Arguments:
    sourcePath        The path to the source directory.
    destinationPath   The path to the destination directory.

Options:
    -d, --debug              Enable debug mode.
    -R, --recursive          Synchronize directories recursively.
    -s, --sleep_time         The time in seconds to sleep between iterations. Default value is 10.
    -B:5, --big-file-size:5  Fize size when daemon will use mapping file

Example usage:
    ./Demon /home/user/source /home/user/backup -R -s=5

Useful commands

ps aux | grep Demon | grep -v grep | grep -v /bin/bash | awk '{print $2}' | while read pid; do kill -s SIGUSR1 $pid; done

command to send signal to daemon

head -c 5MB /dev/zero > ostechnix.txt

command to create 5MB file

sudo service rsyslog start

in WSL we must enable rsyslog service manually to see logs in /var/log/syslog

tail -5 /var/log/syslog

display last 5 system logs

Installation

  1. Clone the repo 
    git clone https://github.com/Kaspek2480/FileSyncDemon
cd FileSyncDemon
  2. Build the application 
    mkdir build
cmake -DCMAKE_BUILD_TYPE=Release -S . -B build
cmake --build build
  3. Add executable permissions 
    chmod +x Daemon