Overview
This document describes how to log in to a Linux instance from different mobile devices. The following tools are used as an example.
- iOS device: Termius-SSH client
- Android device: JuiceSSH
Applicable Mobile Devices
iOS and Android devices
Prerequisites
- The CVM instance is in the Running status.
- You already have the admin account and password (or key) to log in to the instance.
- A public IP has been purchased for your CVM instance, and the port 22 is open. It is open by default for a CVM instance purchased with quick configuration.
Directions
Log in to the instance from the mobile device you are using:
- Download the Termius-SSH client from the App Store, and register as instructed.
- Tap New Host on the home screen.
- Access the New Host page and configure the login information as follows:

- Hostname: the public IP address of your CVM instance. For more information, see Getting Public IP Addresses.
- Use SSH: enabled by default.
- Username: enter the admin account
root
, or ubuntu
if your instance uses the Ubuntu operating system. - Password: enter the login password of the instance.
- Tap Save in the upper-right corner to save the login configuration.
- Select the login information on the Hosts page and tap Continue in the prompt box at the bottom of the page.

- Login succeeds if you see the following.

Creating an identity
- Download and install JuiceSSH.
- From the home screen, tap Connections to reach the Identities tab.
- Tap + in the lower-right corner.
- Configure the account name and password on the Identity page.
- Nickname: enter a custom name for the identity, optional.
- Username: enter the admin account
root
, or ubuntu
if your instance uses the Ubuntu operating system. - Password: tap Set (optional) and enter the instance login password in the pop-up window.
- Tap ✔ in the upper-right corner of the page.
Creating a connection
- From the home screen, tap Connections, then tap + in the lower-right corner of the Connections page.
- Configure the login information for the new connection.
- Nickname: enter a custom connection name, optional.
- Type: select SSH.
- Address: the public IP address of your CVM instance. For more information, see Getting Public IP Addresses.
- Identity: select the identity created in Creating an identity.
- Port: enter the port 22.
Retain the default settings for other parameters.
- Tap Add to team in the bottom of the page to save the login configuration.
Logging in to the instance
- On the Connections page, select the instance to log in and tap Accept.
- Login succeeds if you see the following.

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