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Open toolRsync Command Generator
Configure your source and destination paths, SSH port, exclude globs, and sync mode to generate production-ready `rsync` commands with a trailing-slash behavior audit and `--dry-run` companion command.
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How the Rsync Command Generator Works
The generator assembles your flags, builds `--exclude` arguments, adds `-e 'ssh -p ...'` when a custom SSH port is used, and explains how your source path's trailing slash affects the destination directory.
rsync -avzP [-e 'ssh -p <port>'] [--exclude='<glob>'] '<src>' '<dest>'
Outputs both the live execution command and a safe `--dry-run` preview command.
Rsync Flags & Trailing-Slash Reference Table
Key `rsync` options and path rules for local backups and remote SSH deployments.
| Flag / Syntax | Expanded Meaning | Transfer Behavior | Safety & Best Practice |
|---|---|---|---|
| -a (--archive) | -rlptgoD | Preserves permissions, timestamps, symlinks, and directory recursion. | Standard baseline flag for almost all Linux/macOS sync jobs. |
| -z (--compress) | Zlib transit compression | Compresses data blocks over SSH network links. | Use for remote SSH transfers; omit on local disk-to-disk copies. |
| -P | --partial --progress | Keeps partially transferred large files and shows live progress bars. | Allows interrupted multi-GB transfers to resume cleanly. |
| src/ vs src | Trailing slash rule | 'src/' copies contents of src; 'src' copies the directory folder itself. | Verify trailing slash before running with --delete. |
| --delete | Mirror deletion | Deletes destination files that no longer exist in source. | Always test with -n (--dry-run) first. |
How to Generate Your rsync Command
Set up your transfer parameters in three steps.
Enter source and destination paths (check trailing slash)
Input local or `user@host:/path/` endpoints.
Configure SSH port and comma-separated --exclude patterns
Set a custom SSH port if needed and list folders like `.git, node_modules` to exclude.
Choose Additive, Mirror (--delete), Checksum, or Dry-Run mode
Click Generate rsync Command to get the command, dry-run preview, and trailing-slash diagnosis.
Worked rsync Deployment & Backup Examples
See how common web deployment and server backup commands are constructed.
Static site deployment over SSH (`./dist/` to remote `/var/www/app/`)
Generates: rsync -avzP --exclude='.git' --exclude='node_modules' './dist/' 'deploy@203.0.113.10:/var/www/app/'
Custom SSH port 2222 mirror with --delete
Generates: rsync -avzP --delete -e 'ssh -p 2222' './dist/' 'deploy@203.0.113.10:/var/www/app/' plus a mandatory -n dry-run command.
Checksum-verified backup (-c)
Adds '-c' (--checksum) so rsync compares 128-bit file checksums rather than relying solely on modification time and size.
Understanding the Trailing-Slash Diagnostic
The output panel explicitly states whether your source path copies directory contents or creates a nested folder.
If your source ends with `/` (e.g. `./dist/`), files inside `dist` land directly inside the destination folder.
If your source does not end with `/` (e.g. `./dist`), rsync creates `<destination>/dist/`.
Safety Checks Before Running --delete
Never run `--delete` against an untested destination path.
Copy and run the generated `--dry-run` command first to inspect the exact file list that rsync plans to transfer or remove.
Both Source path and Destination path are required.
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Open toolFrequently Asked Questions About rsync
Answers about using Rsync Command Generator and understanding its results.
What does the trailing slash on the rsync source path do?
In rsync, 'rsync -av ./dist/ /var/www/app/' (with a trailing slash on './dist/') copies the contents inside 'dist' directly into '/var/www/app/'. Omitting the trailing slash ('./dist') creates a nested '/var/www/app/dist/' subdirectory.
What do the flags -avzP mean in rsync?
'-a' (archive) equals '-rlptgoD' (recursive, symlinks, permissions, timestamps, group, owner, devices); '-v' enables verbose output; '-z' compresses file data during network transit; and '-P' combines '--partial' (resumable transfers) with '--progress'.
How do I specify a non-standard SSH port with rsync?
Pass the '-e' remote-shell option: "rsync -avzP -e 'ssh -p 2222' ./dist/ user@host:/var/www/".
Why should I run rsync with --dry-run (-n) before using --delete?
The '--delete' flag permanently removes any files in the destination directory that do not exist in the source. Running with '--dry-run' (or '-n') first prints every file that would be deleted without modifying disk state.
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