# Ubuntu Error to many open files, when run a node

**URL:** https://forum.cosmos.network/t/ubuntu-error-to-many-open-files-when-run-a-node/382
**Category:** Validation
**Created:** [June 29, 2018, 9:37pm UTC](https://forum.cosmos.network/t/ubuntu-error-to-many-open-files-when-run-a-node/382 "2018-06-29T21:37:21Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![melea-trust](https://yyz1.discourse-cdn.com/flex031/user_avatar/forum.cosmos.network/melea-trust/32/90_2.png) [@melea-trust](https://forum.cosmos.network/u/melea-trust)
#### Post date: [June 29, 2018, 9:37pm UTC](https://forum.cosmos.network/t/ubuntu-error-to-many-open-files-when-run-a-node/382/1 "2018-06-29T21:37:21Z")

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Solution

For those of you with gaiad crashing on the too many open files error, here’s a short guide to fix it

### check your user’s per-process open file limit

ulimit -Sn  
​

### check how many files gaiad has open

ls /proc/(pidof gaiad)/fd/ | wc -l  
​

### increase username’s per process limit

sudo vi /etc/security/limits.conf  
username soft nofile 2048  
​  
From @peng and @zmanian in riot

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<div class="post-metadata">

### Author: ![gkrizek](https://avatars.discourse-cdn.com/v4/letter/g/9d8465/32.png) [@gkrizek](https://forum.cosmos.network/u/gkrizek)
#### Post date: [July 30, 2018, 3:54pm UTC](https://forum.cosmos.network/t/ubuntu-error-to-many-open-files-when-run-a-node/382/2 "2018-07-30T15:54:26Z")

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Also a solution in the Docs  
[https://cosmos.network/docs/validators/validator-setup.html#problem-2-my-gaiad-crashes-because-of-too-many-open-files](https://cosmos.network/docs/validators/validator-setup.html#problem-2-my-gaiad-crashes-because-of-too-many-open-files)