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# Getting started with interactive web terminals
> [Introduced](https://gitlab.com/gitlab-org/gitlab-ce/issues/50144) in GitLab 11.3.
Interactive web terminals give the user access to a terminal in GitLab for
running one-off commands for their CI pipeline.
NOTE: **Note:**
This is not available for the shared Runners on GitLab.com.
To make use of this feature, you need to provide your
[own Runner](https://docs.gitlab.com/runner/install/) and properly
[configure it](#configuration).
## Configuration
Two things need to be configured for the interactive web terminal to work:
- The Runner needs to have [`[session_server]` configured
properly][session-server]
- If you are using a reverse proxy with your GitLab instance, web terminals need to be
[enabled](../../administration/integration/terminal.md#enabling-and-disabling-terminal-support)
## Debugging a running job
NOTE: **Note:** Not all executors are
[supported](https://docs.gitlab.com/runner/executors/#compatibility-chart).
NOTE: **Note:** The `docker` executor does not keep running
after the build script is finished. At that point, the terminal will automatically
disconnect and will not wait for the user to finish. Please follow [this
issue](https://gitlab.com/gitlab-org/gitlab-runner/issues/3605) for updates on
improving this behavior.
Sometimes, when a job is running, things don't go as you would expect, and it
would be helpful if one can have a shell to aid debugging. When a job is
running, on the right panel you can see a button `debug` that will open the terminal
for the current job.
![Example of job running with terminal
available](img/interactive_web_terminal_running_job.png)
When clicked, a new tab will open to the terminal page where you can access
the terminal and type commands like a normal shell.
![terminal of the job](img/interactive_web_terminal_page.png)
If you have the terminal open and the job has finished with its tasks, the
terminal will block the job from finishing for the duration configured in
[`[session_server].terminal_max_retention_time`][session-server] until you
close the terminal window.
![finished job with terminal open](img/finished_job_with_terminal_open.png)
[session-server]: https://docs.gitlab.com/runner/configuration/advanced-configuration.html#the-session_server-section
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