# Cannot start elasticsearch on Centos7

**URL:** https://discuss.elastic.co/t/cannot-start-elasticsearch-on-centos7/165410
**Category:** Elasticsearch
**Created:** [January 23, 2019, 12:52pm UTC](https://discuss.elastic.co/t/cannot-start-elasticsearch-on-centos7/165410 "2019-01-23T12:52:04Z")
**Posts on this page:** 4
**Page:** 1

<div class="post-metadata">

### Author: ![giuls](https://avatars.discourse-cdn.com/v4/letter/g/9dc877/32.png) [@giuls](https://discuss.elastic.co/u/giuls)
#### Post date: [January 23, 2019, 12:52pm UTC](https://discuss.elastic.co/t/cannot-start-elasticsearch-on-centos7/165410/1 "2019-01-23T12:52:04Z")

</div>

![Immagine](https://us1.discourse-cdn.com/elastic/original/3X/6/0/60885f3bcc102995404495f31645f6b99d5c2b04.png)

---

<div class="post-metadata">

### Author: ![shrikantgulia](https://avatars.discourse-cdn.com/v4/letter/s/c68b51/32.png) [@shrikantgulia](https://discuss.elastic.co/u/shrikantgulia)
#### Post date: [January 23, 2019, 12:54pm UTC](https://discuss.elastic.co/t/cannot-start-elasticsearch-on-centos7/165410/2 "2019-01-23T12:54:48Z")

</div>

Hello @giuls

Can you please increase the heap size and restart it

> <https://stackoverflow.com/questions/33903336/how-to-change-the-elasticsearch-es-heap-size-on-centos>

---

<div class="post-metadata">

### Author: ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)
#### Post date: [January 23, 2019, 2:37pm UTC](https://discuss.elastic.co/t/cannot-start-elasticsearch-on-centos7/165410/3 "2019-01-23T14:37:27Z")

</div>

Please don't post images of text as they are hardly readable and not searchable.

Instead paste the text and format it with `</>` icon. Check the preview window.

---

<div class="post-metadata">

### Author: ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)
#### Post date: [February 20, 2019, 2:37pm UTC](https://discuss.elastic.co/t/cannot-start-elasticsearch-on-centos7/165410/4 "2019-02-20T14:37:30Z")

</div>

This topic was automatically closed 28 days after the last reply. New replies are no longer allowed.