From c1f9f1d09a2e562ca16afadb2a487e2c621506cf Mon Sep 17 00:00:00 2001
From: Konrad Bucheli <konrad.bucheli@psi.ch>
Date: Mon, 31 Jul 2023 16:19:46 +0200
Subject: [PATCH] keep mpirun going

---
 user-guide/mpirun.md | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 user-guide/mpirun.md

diff --git a/user-guide/mpirun.md b/user-guide/mpirun.md
new file mode 100644
index 00000000..04fae4d6
--- /dev/null
+++ b/user-guide/mpirun.md
@@ -0,0 +1,13 @@
+# Start Long Running Programs/Simulations with `mpirun`
+
+If you want to start a program with `mpirun` or based on `mpirun` in a shell session and to exit after, then `nohup`, `screen` or `tmux` are not sufficient. On exit you might get an error like
+```
+mpirun noticed that process rank 0 with PID 26312 on node lcth31 exited on signal 0 (Unknown signal 0).
+```
+
+To avoid this, use `disown`:
+
+```
+nohup [command] & disown
+```
+