# Custom Kernel and Upgrading

**URL:** <https://forums.suse.com/t/custom-kernel-and-upgrading/1732>\
**Category:** RancherOS\
**Created:** [February 15, 2016, 6:43pm UTC](https://forums.suse.com/t/custom-kernel-and-upgrading/1732 "2016-02-15T18:43:46Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![rancheruser](https://avatars.discourse-cdn.com/v4/letter/r/48db29/32.png) [@rancheruser](https://forums.suse.com/u/rancheruser)\
**Post date:** [February 15, 2016, 6:43pm UTC](https://forums.suse.com/t/custom-kernel-and-upgrading/1732/1 "2016-02-15T18:43:46Z")

</div>

Is a custom kernel preserved after an upgrade of RancherOS is performed?

---

<div class="post-metadata">

**Author:** ![liyi](https://sea2.discourse-cdn.com/flex022/user_avatar/forums.suse.com/liyi/32/4609_2.png) [@liyi](https://forums.suse.com/u/liyi)\
**Post date:** [February 15, 2016, 8:16pm UTC](https://forums.suse.com/t/custom-kernel-and-upgrading/1732/2 "2016-02-15T20:16:15Z")

</div>

no, upgrade should also update the kernel.