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Tested on Linux, macOS, and Windows

Remote CMD — SSH Server Management
Without the Overhead

English · 中文

pip install remote_cmd_manager  ·  Quick Start  ·  Use Cases  ·  CLI Reference  ·  Python API  ·  Documentation  ·  Contributing


Remote CMD is a lightweight Python CLI + API for managing servers over SSH. Add hosts, run commands, transfer files, and organize hosts with tags — no Ansible DSL or shell loops required.

# One command to get started
pip install remote_cmd_manager && remote-cmd host add web-01 192.168.1.10 ubuntu --key ~/.ssh/id_rsa && remote-cmd run web-01 "uptime"

v2.9.0 Release Highlights

v2.9.0 adds the secure Recipe engine and makes SQLite profile deletion atomic. Public APIs remain backward compatible; existing stores upgrade in place. See the full migration notes.

Secure Recipes

  • New Recipe / RecipeVariable (exported from remote_cmd): parameterized command templates with typed variablesshell_arg values are shlex.quoted, env values are exported as remote environment variables. Raw string interpolation is intentionally unsupported.
  • Placeholders must be declared; undeclared placeholders fail at creation, and missing/unknown values fail before any connection is made. Rendering is single-pass, so {{ ... }} inside values stays literal.
  • Recipes persist through the optional RecipeStore capability (JSON recipes section / SQLite recipes table) and run via remote-cmd recipe run ... or RecipeService + the batch executors.

Atomic Profile Deletion

  • SQLite hosts.profile now carries FOREIGN KEY ... ON DELETE RESTRICT (DB_VERSION 2 → 3); existing databases are rebuilt automatically on open with data preserved. The service-level reference check stays as a friendly fast path.

Try It

remote-cmd recipe add deploy --command 'deploy {{ package }}' -V package=app
remote-cmd recipe run deploy web-01 web-02 -V package=api-2026.09 --format json | jq .

Table of Contents


Why Remote CMD?

Feature remote-cmd ssh + shell Ansible Fabric
Host CRUD + tag groups ✅ Built-in ❌ Manual ✅ Inventory
Batch commands across hosts batch-run ❌ Write a loop ✅ Playbook
File transfer (upload/download) ✅ Built-in ✅ scp ✅ copy module
Python API from remote_cmd import ... ❌ YAML-only
Zero setup pip install → go ❌ Configure SSH ansible.cfg
Learning curve Low Low High Medium

Use remote-cmd when you need a CLI that works immediately for ad-hoc SSH tasks. Use Ansible when you need full configuration management and idempotent playbooks.


Quick Start

# 1. Install
pip install remote_cmd_manager

# 2. Add a server
remote-cmd host add web-01 192.168.1.10 ubuntu --key ~/.ssh/id_rsa

# 3. Run a command
remote-cmd run web-01 "uptime"

# 4. Run across named production servers
remote-cmd batch-run web-01 web-02 db-01 "df -h /"

Use Cases

🖥️ System Administrators — Check disk across 20 servers in one command

remote-cmd batch-run web-01 web-02 db-01 "df -h / | tail -1"
# Output:
#   ✓ web-01  → /dev/sda1  32G  12G  19G  40% /
#   ✓ web-02  → /dev/sda1  32G  28G   3G  90% /   ⚠️
#   ✗ db-01   → Connection refused

🚀 Deploy — Pull code and restart a service

from remote_cmd.service.host_service import HostService
from remote_cmd.repository import JsonHostRepository

service = HostService(repository=JsonHostRepository("hosts.json"))
for host in service.list_hosts(tag="staging"):
    with service.connect_to_host(host.name) as client:
        client.execute("cd /app && git pull")
        client.execute("pip install -r requirements.txt")
        client.execute_sudo("systemctl restart app", password="sudopass")

🔥 Incident Response — Check logs across all servers

remote-cmd batch-run web-01 web-02 "journalctl -xe -n 50 | grep -i error"

🔧 Config Update — Upload and reload nginx across tagged hosts

# Upload new config, reload across web servers
remote-cmd run web-01 "sudo cp /tmp/nginx.conf /etc/nginx/nginx.conf && sudo nginx -t && sudo systemctl reload nginx"

CLI Reference

All operations are available from the terminal:

Command Description
remote-cmd host add <name> <host> <user> Register a server (-k/--key, -p/--port, -t/--tag, repeatable)
remote-cmd host list [-t TAG] List hosts, optionally filtered by tag
remote-cmd host show <name> Show one host's details
remote-cmd host test <name> Test connectivity to a host
remote-cmd host remove <name> Remove a host
remote-cmd run <name> "<cmd>" [-T SECONDS] Run a command on one host (--timeout/-T sets the wall-clock limit)
remote-cmd upload <name> <local> <remote> Upload a file via SFTP
remote-cmd download <name> <remote> <local> Download a file via SFTP
remote-cmd batch-run <name>... "<cmd>" Run across named hosts (-C concurrency, -T timeout, -r retries, --async, --show-failures)

Python API

Use Remote CMD inside your own scripts and automation:

from remote_cmd.core.ssh_client import SSHClient, ConnectionConfig

config = ConnectionConfig(
    hostname="192.168.1.100",
    username="ubuntu",
    key_filename="~/.ssh/id_rsa",
)

with SSHClient(config) as client:
    # Execute commands
    result = client.execute("uptime")
    print(result.stdout)

    # Transfer files
    client.upload_file("./local.txt", "/remote/path/file.txt")
    client.download_file("/remote/path/file.txt", "./local.txt")

    # List remote directory
    for entry in client.list_remote_directory("/var/log"):
        print(f"{entry.name}: {entry.size} bytes")

Features

Category Details
SSH Auth Password + key file + ssh-agent, with pluggable credential providers
Credential Chain Source passwords from environment, keyring, or arbitrary providers, in priority order
Credential Encryption Fernet-encrypt secrets at rest (CredentialEncryption)
Commands Single, multi-line, sudo with password
File Transfer Upload/download via SFTP (remote-cmd upload/download)
Host Management CRUD with pluggable JSON or SQLite persistence
Connection Profiles Reusable username/port/key/tag defaults referenced by hosts (ProfileService, --profile); never stores credentials
Secure Recipes Typed command templates (shell_arg auto-quoted / env exported), stored in the repository and run across hosts; no raw interpolation
Output Formats --format rich|json|table for run / batch-run (stable JSON schema, parseable stdout)
Tag System Filter hosts by tag (e.g., production, web, db); profile tags participate in filtering
Batch Ops Run commands across any host group, synchronously or asynchronously; optional per-host retained-output cap (max_output_bytes)
Async Kernel AsyncSSHClient / AsyncConnectionPool / AsyncBatchExecutor via the [async] extra
Global Connection Budget Optional ConnectionBudget caps live SSH connections process-wide across pools and executors
Task Runner Track and schedule long-running remote tasks with statuses (TaskRunner)
Connection Test Test all host SSH connections and report status
Secure Logging Structured logging that filters sensitive data (SensitiveDataFilter)
Type Safety Full type annotations + mypy strict

Cross-Platform Support

remote-cmd is a pure-Python client, tested and supported on Linux, macOS, and Windows. No native dependencies or platform-specific builds are required.

Platform Status Notes
Linux ✅ Fully tested Primary development platform
macOS ✅ Supported Use brew install openssh for a newer OpenSSH
Windows ✅ Supported PowerShell / CMD / WSL all work

Note on Windows file permissions: Credential encryption keys are protected with 0600 permissions on Unix. On Windows this restriction is not enforced by the filesystem — the key file is still encrypted at rest. For production Windows use, consider adding filesystem-level ACLs.


Installation

# From PyPI (recommended) — keeps API and CLI in sync
pip install remote_cmd_manager

# With native async support (AsyncSSHClient / AsyncConnectionPool / AsyncBatchExecutor)
pip install "remote_cmd_manager[async]"

# From source
git clone git@github.com:Vae-Scrooge/remote-cmd.git
cd remote-cmd
pip install -e ".[dev]"

The [async] extra installs asyncssh and enables the native async execution kernel: AsyncSSHClient, AsyncConnectionPool and AsyncBatchExecutor (also available via BatchExecutor(use_async=True)). BatchExecutor(use_async=True) also requires this extra. Without it, import remote_cmd still works — the async symbols are simply not exported.


Documentation

📚 Full Documentation Center — tutorials, API reference, architecture, and troubleshooting

Document Contents
API Reference Full API docs: SSHClient, AsyncSSHClient, HostService, and more
API Docs (auto-generated) Complete API reference generated by pdoc
Quickstart Tutorial Step-by-step walkthrough
Advanced Tutorial Batch ops, error handling, production patterns
Architecture System architecture and design decisions
Development Guide Set up the dev environment, contributing
Troubleshooting Common issues and solutions
Changelog Release history
Mobile Remote Guide Manage servers from your phone

Note: The documentation center and tutorials are maintained in English. See README.zh-CN.md for the Chinese version of this page.


Project Status

Stable. The core API is stable and versioned under semantic versioning. Breaking changes are communicated via major-version bumps, and the public API surface has been stable since the 1.x line.

Roadmap:

  • Async SSH operations (parallel execution) — v1.1.0
  • Pluggable storage backends (JSON + SQLite) — v1.2.x
  • Chainable credential providers + at-rest encryption — v1.2.x
  • Configuration profiles (AWS, GCP, custom) — v2.8.0
  • Output formatting (JSON, table) — v2.8.0
  • Templated command recipes (typed variables, shell-quoted) — v2.9.0

Good first issues are labelled good first issue in the issue tracker — contributions welcome.


Maintainership

Remote CMD is an actively maintained open-source project. It is designed and developed independently as a focused alternative to heavyweight tools for the ad-hoc SSH tasks that come up in day-to-day server work.

  • Project health: CI runs on every PR, Python 3.10+ is supported, and the public API is versioned under semantic versioning.
  • Your code, your servers: usage stays open under the MIT license — nothing is telemetry-driven or locked behind a service.
  • Why open source? The tooling around ad-hoc SSH administration was either too heavy (Ansible) or too bare (raw shell loops). Remote CMD exists so that a single command can cover the common 90% of remote admin.

Contributing

We welcome contributions! See CONTRIBUTING.md to get started.

Before contributing, please read our Code of Conduct.


License

MIT © Vae-Scrooge


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