# server.Server.raiseIfDead

- **Module:** server
- **Package:** libtmux
- **Language:** TypeScript
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-ts/blob/073b9d7dedad900bff6f5ec0ea47794e40225870/packages/libtmux/src/server.ts#L1639
- **Page:** https://libtmux.org/en/ts/latest/reference/server-server-raiseifdead/

```
raiseIfDead(): Promise<void>
```

Assert the server is reachable, raising with tmux's reason if not.

## Examples

```ts
await server.raiseIfDead(); // throws when no tmux server is listening
```

## Guides

Pages that discuss `raiseIfDead`.

- [Socket and servers](/en/ts/latest/topics/socket-and-servers/)

## In other ports

Fail unless the server is answering

| Language | Equivalent |
| --- | --- |
| Python | [`libtmux.Server.raise_if_dead`](/en/py/latest/reference/libtmux-server-raise_if_dead/) (method) |
| Rust | no equivalent on `Server` |
| Go | [`tmux.Server.CheckAlive`](/en/go/latest/reference/tmux-server-checkalive/) (method) |
| Java | [`io.github.libtmux.Server.requireAlive`](/en/java/latest/reference/io-github-libtmux-server-server-requirealive/) (method) |
| C# | [`LibTmux.Server.ThrowIfDeadAsync`](/en/csharp/latest/reference/libtmux-server-throwifdeadasync/) (method) |
| C++ | no equivalent on `Server` |
| Swift | no equivalent on `Server` |

No equivalent is recorded in Ruby, Lua, PowerShell, Julia, Elixir, Kotlin, Scala or F#.