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Linux/File-Synchronization/rsync.md

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+# 🔄 Rsync
+
+`rsync` is a powerful command-line tool for syncing files and directories between systems over SSH.
+Here are some useful commands 👇
+
+---
+
+## 📌 Basic Syntax
+
+```bash
+rsync [options] <file_or_dir> <user>@<host>:<target-dir>
+```
+
+or
+
+```bash
+rsync [options] <user>@<host>:<source-dir_or_file> <target-dir>
+```
+
+---
+
+## 📥 Copy from Local ➝ Remote
+
+```bash
+rsync file1.txt radin@192.168.1.10:/home/radin
+```
+
+Verbose mode (shows details):
+
+```bash
+rsync -v file1.txt radin@192.168.1.10:/home/radin
+```
+
+---
+
+## 📤 Copy from Remote ➝ Local
+
+```bash
+rsync -v radin@192.168.1.10:/home/radin/file1.txt /opt
+```
+
+---
+
+## 📦 Archiving
+
+Archive mode (preserves permissions, symlinks, etc.):
+
+```bash
+rsync -va file1.txt radin@192.168.1.10:/home/radin
+```
+
+Archive + compress (gzip):
+
+```bash
+rsync -vaz file1.txt radin@192.168.1.10:/home/radin
+```
+
+With progress bar:
+
+```bash
+rsync -vaz --progress file1.txt radin@192.168.1.10:/home/radin
+```
+
+---
+
+## 🔐 Custom SSH Port
+
+```bash
+rsync -e 'ssh -p 8090' -vaz file1.txt radin@192.168.1.10:/home/radin
+```
+
+---
+
+## 🗑️ Sync with Delete (mirror directories)
+
+Deletes files on destination that don’t exist on source:
+
+```bash
+rsync -vaz --delete dir_test/ radin@192.168.1.10:/home/radin
+```
+
+---
+
+## 🚫 Excluding Files
+
+Exclude `.img` files:
+
+```bash
+rsync -va dir_test/ --exclude '*.img' radin@192.168.1.10:/home/radin
+```
+
+---
+
+## ⚡ Bandwidth Control
+
+Limit transfer speed (in KB/s):
+
+```bash
+rsync -v --bwlimit=2048 file1.txt radin@192.168.1.10:/home/radin
+```
+
+---
+
+## 🧹 Move Instead of Copy
+
+Remove source file after transfer:
+
+```bash
+rsync -v --remove-source-file file1.txt radin@192.168.1.10:/home/radin
+```
+
+---
+
+## ⛔ Ignore Existing Files
+
+Skip already existing files:
+
+```bash
+rsync -v --ignore-existing file1.txt radin@192.168.1.10:/home/radin
+```
+
+---
+
+## 🧹⛔ Combine Options
+
+Remove source + ignore existing:
+
+```bash
+rsync -v --remove-source-file --ignore-existing file1.txt radin@192.168.1.10:/home/radin
+```
+