# How to run opennebula (oned) under debug mode

**URL:** https://forum.opennebula.io/t/how-to-run-opennebula-oned-under-debug-mode/3795
**Category:** Integration Support
**Created:** [February 16, 2017, 3:57am UTC](https://forum.opennebula.io/t/how-to-run-opennebula-oned-under-debug-mode/3795 "2017-02-16T03:57:00Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![vynt-kenshiro](https://avatars.discourse-cdn.com/v4/letter/v/5fc32e/32.png) [@vynt-kenshiro](https://forum.opennebula.io/u/vynt-kenshiro)
#### Post date: [February 16, 2017, 3:57am UTC](https://forum.opennebula.io/t/how-to-run-opennebula-oned-under-debug-mode/3795/1 "2017-02-16T03:57:00Z")

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Hello,

I’m using OpenNebula 5.0.2, CentOS 7 and I got a lot of segfault. I want to run oned under debug mode and give trace log for develop team. Cloud anyone give me an instruction for debug oned.

Regards,

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### Author: ![ruben](https://yyz1.discourse-cdn.com/flex031/user_avatar/forum.opennebula.io/ruben/32/19_2.png) [@ruben](https://forum.opennebula.io/u/ruben)
#### Post date: [February 23, 2017, 3:13pm UTC](https://forum.opennebula.io/t/how-to-run-opennebula-oned-under-debug-mode/3795/2 "2017-02-23T15:13:00Z")

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It’s strange to have that, you may install the debug packages and get the core file. Once you get the core, using the systemd-coredump interface you can run the gdb. WE’ll be interested in the output of:

gdb\> thread apply all bt