Uninstalling an Agent

Uninstallation Methods

The agent can be uninstalled in one click on the console or manually uninstalled.

• Agent uninstallation on the console: If the agent is online, you can uninstall it in one click on the console.
  • Uninstalling the Agent from a Single Server in One Click
  • Uninstalling the Agent from Multiple Servers in One Click
• Manual agent uninstallation: If the agent is offline, you can manually uninstall it.
  • Manually Uninstalling the Agent from a Linux Server
  • Manually Uninstalling the Agent from a Windows Server

Uninstalling the Agent from a Single Server in One Click

1. Log in to the management console.
2. In the upper left corner of the page, click , select a region, and choose Security > Host Security Service.
3. In the navigation pane, choose Installation & Configuration. Click the Agents tab.
4. Click Offline to check the servers where the agent is online. Table 1 describes the parameters.

   Table 1 Online agent parameters

   Parameter	Description
   Server Name/ID	Server name and ID
   IP Address	EIP or private IP address of a server
   OS	Server OS. Its value can be: Linux Windows
   Agent Status	Agent status of a server. Its value can be: Online
   Agent Version	Version of the agent installed on the target server.
   Agent Upgrade Status	The agent upgrade status.

5. Click Uninstall Agent in the Operation column of a server. In the dialog box that is displayed, confirm the uninstallation information and click OK.

Uninstalling the Agent from Multiple Servers in One Click

1. Log in to the management console.
2. In the upper left corner of the page, click , select a region, and choose Security > Host Security Service.
3. In the navigation pane, choose Installation & Configuration. Click the Agents tab.
4. Click Offline to check the servers where the agent is online. Table 2 describes the parameters.

   Table 2 Online agent parameters

   Parameter	Description
   Server Name/ID	Server name and ID
   IP Address	EIP or private IP address of a server
   OS	Server OS. Its value can be: Linux Windows
   Agent Status	Agent status of a server. Its value can be: Online
   Agent Version	Version of the agent installed on the target server.
   Agent Upgrade Status	The agent upgrade status.

5. Select the target servers whose agent you want to uninstall.
   

   If you check the box before Server Name/ID, all servers on the page will be selected.

6. Click Uninstall Agent above the server list. In the dialog box displayed, confirm the servers from which you want to uninstall the agent and click OK.

Manually Uninstalling the Agent from a Linux Server

1. Remotely log in to the Linux server where the agent is to be uninstalled.
   • You can log in to the ECS management console and click Remote Login in the ECS list.
   • If your server has an EIP bound, you can also use a remote management tool, such as Xftp, SecureFX, WinSCP, PuTTY, or Xshell, to log in to the server and install the agent on the server as user root.

2. If the agent has been installed, run the following command to uninstall it:
   

   Do not run the uninstallation command in the /usr/local/hostguard/ directory. You can run the uninstallation command in any other directory.

   • For EulerOS, CentOS, and Red Hat, or other OSs that support RPM installation, run the rpm -e hostguard; command.
   • For Ubuntu, Debian, and other OSs that support DEB installation, run the dpkg -P hostguard; command.

3. Verify the uninstallation. If the /usr/local/hostguard/ directory is not found on the Linux server, the agent has been uninstalled.

Manually Uninstalling the Agent from a Windows Server

1. Remotely log in to the Windows server where the agent is to be uninstalled.
   • You can log in to the ECS management console and click Remote Login in the ECS list.
   • If an EIP has been bound to the server, you can use Windows Remote Desktop Connection or a third-party remote management tool, such as mstsc or RDP, to log in to the server and install the agent on the server as an administrator.

2. Go to C:\Program File\HostGuard on the Windows server.

3. Double-click the unins000.exe file to uninstall the agent.
4. In the HostGuard Uninstall dialog box, click Yes to delete HostGuard and all its components.
5. (Optional) Restart the server.
   • If you have enabled WTP, you need to restart the server after uninstalling the agent. In the HostGuard Uninstall dialog box, click Yes to restart the server.
   • If you have not enabled WTP, you do not need to restart the server. In the HostGuard Uninstall dialog box, click No to skip server restart.

6. If the C:\Program Files\HostGuard directory does not exist on the Windows server, the agent has been uninstalled.