# Legato rolling back config tree (and app)

**URL:** <https://forum.legato.io/t/legato-rolling-back-config-tree-and-app/2745>\
**Category:** Legato Application Framework\
**Created:** [October 26, 2017, 8:20pm UTC](https://forum.legato.io/t/legato-rolling-back-config-tree-and-app/2745 "2017-10-26T20:20:43Z")\
**Posts on this page:** 1\
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**Author:** ![kdunwoody](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.legato.io/kdunwoody/32/500_2.png) [@kdunwoody](https://forum.legato.io/u/kdunwoody)\
**Post date:** [October 27, 2017, 4:45pm UTC](https://forum.legato.io/t/legato-rolling-back-config-tree-and-app/2745/4 "2017-10-27T16:45:42Z")

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There’s a USB plug on the right of the MangOH Red labeled “console” (in small letters). You can connect to that; it will show up as a serial port on your computer which you can connect to using a program such as putty (on Windows) or microcom (on Linux). The serial port will print out some logging including a Linux boot sequence every time the chip reboots.

Actually can you attach the serial printout from a reboot? Also Legato logs a bunch of information to the Linux system log which can be accessed with the “logread” command. Can you send me that log from after the reboot?

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