> For the complete documentation index, see [llms.txt](https://outdoor.router.works/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://outdoor.router.works/ezr33/advanced/command-line.md).

# Command-line

Secure Shell (SSH) is a cryptographic network protocol to access the router’s command-line interface. The 4G router offers various ways to access the command-line interface.

## **Web Terminal** <a href="#web-terminal" id="web-terminal"></a>

After accessing the router, go to `System` > `Terminal`. Input the default username `root` and the router password. You will then receive the welcome message on the web terminal interface.

*\* The web terminal is unavailable under the Traversal Cloud mode. You can refer to* [*Remote SSH*](/ezr33/advanced/traversal-cloud.md#remote-ssh) *to configure a remote SSH tunnel on the traversal cloud.*

```
OutdoorRouter login: root
Password: <invisible>


BusyBox v1.28.4 () built-in shell (ash)

╔═╗╦ ╦╔╦╗╔╦╗╔═╗╔═╗╦═╗╦═╗╔═╗╦ ╦╔╦╗╔═╗╦═╗
║ ║║ ║ ║  ║║║ ║║ ║╠╦╝╠╦╝║ ║║ ║ ║ ║╣ ╠╦╝
╚═╝╚═╝ ╩ ═╩╝╚═╝╚═╝╩╚═╩╚═╚═╝╚═╝ ╩ ╚═╝╩╚═
---------------------------------------
☼ ☼ ☼       OUTDOOR ROUTER        ❅ ❅ ❅
---------------------------------------

root@OutdoorRouter:~#
```

## SSH Software

### **i. Linux & Mac**

For Linux and Mac computers, the most common tool is Terminal.

* Open a new `Terminal` window, type `ssh root@192.168.30.1` , and press *Enter*.
* If this is your first time logging in, you might be asked to clarify whether you want to log in. In that case, type yes and press. `Enter`.
* Then type in the router’s admin password and press `Enter`  to finish the login process.

{% hint style="info" %}
If the router has changed configurations, you might need to clear the stored SSH key information with this command. `ssh-keygen -R 192.168.30.1`.
{% endhint %}

<figure><img src="https://1340417500-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LvFoPQjE_9d9UfSmbIn%2F-Lx1VpH2VM_WoaVPVBuZ%2F-Lx1XKFYByTjziMz9fWS%2FEV3104_SSH-Mac-Windows-Terminals-PuTTY.jpg?alt=media&#x26;token=52b5ccfd-7e76-4a60-b976-ee3b5d9772bd" alt=""><figcaption></figcaption></figure>

**ii. Windows**

For the Windows computer, the most common SSH tool is **PuTTY**.&#x20;

* Launch PuTTY and select the SSH option under the `Connection type` field.
* Type in the router’s LAN IP address `192.168.30.1` into the `Host Name` field.
* Type in the SSH port `22` into the `Port`” field.
* Click `Open` button.
* In the next window, type in the login name `root`  and press `Enter`.
* Type in the router’s admin password and press `Enter` again.
* You should be greeted with a message.

### iii. Remote SSH

Refer to [Remote SSH](/ezr33/advanced/traversal-cloud.md#remote-ssh)