# Elasticsearch 7.10.0 not start Ubuntu 20.04

**URL:** <https://discuss.elastic.co/t/elasticsearch-7-10-0-not-start-ubuntu-20-04/256329>\
**Category:** Elasticsearch\
**Created:** [November 23, 2020, 9:28am UTC](https://discuss.elastic.co/t/elasticsearch-7-10-0-not-start-ubuntu-20-04/256329 "2020-11-23T09:28:50Z")\
**Posts on this page:** 9\
**Page:** 1

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**Author:** ![Pete\_Watcharawit](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/pete_watcharawit/32/74140_2.png) [@Pete\_Watcharawit](https://discuss.elastic.co/u/Pete_Watcharawit)\
**Post date:** [November 23, 2020, 9:28am UTC](https://discuss.elastic.co/t/elasticsearch-7-10-0-not-start-ubuntu-20-04/256329/1 "2020-11-23T09:28:50Z")

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My elasticsearch 7.8.1 on my laptop was automatically updated to 7.10.0. I wanted to roll back to the previous version and now I have messed up. Elasticsearch does not even start successfully.

Anybody knows how to completely clean up and install ES 7.8.1 again? Please help.

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**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [November 23, 2020, 9:29am UTC](https://discuss.elastic.co/t/elasticsearch-7-10-0-not-start-ubuntu-20-04/256329/2 "2020-11-23T09:29:37Z")

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What OS are you running?

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**Author:** ![Pete\_Watcharawit](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/pete_watcharawit/32/74140_2.png) [@Pete\_Watcharawit](https://discuss.elastic.co/u/Pete_Watcharawit)\
**Post date:** [November 23, 2020, 9:29am UTC](https://discuss.elastic.co/t/elasticsearch-7-10-0-not-start-ubuntu-20-04/256329/3 "2020-11-23T09:29:58Z")

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Ubuntu 20.04

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<div class="post-metadata">

**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [November 23, 2020, 9:30am UTC](https://discuss.elastic.co/t/elasticsearch-7-10-0-not-start-ubuntu-20-04/256329/4 "2020-11-23T09:30:31Z")

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Did you use the deb or the apt repo?

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<div class="post-metadata">

**Author:** ![Pete\_Watcharawit](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/pete_watcharawit/32/74140_2.png) [@Pete\_Watcharawit](https://discuss.elastic.co/u/Pete_Watcharawit)\
**Post date:** [November 23, 2020, 9:35am UTC](https://discuss.elastic.co/t/elasticsearch-7-10-0-not-start-ubuntu-20-04/256329/5 "2020-11-23T09:35:41Z")

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I belive it is apt since I used sudo apt-install

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<div class="post-metadata">

**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [November 23, 2020, 9:36am UTC](https://discuss.elastic.co/t/elasticsearch-7-10-0-not-start-ubuntu-20-04/256329/6 "2020-11-23T09:36:09Z")

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Then you can use `apt-get remove` or `purge` to remove things, then reinstall.

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<div class="post-metadata">

**Author:** ![Pete\_Watcharawit](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/pete_watcharawit/32/74140_2.png) [@Pete\_Watcharawit](https://discuss.elastic.co/u/Pete_Watcharawit)\
**Post date:** [November 23, 2020, 9:50am UTC](https://discuss.elastic.co/t/elasticsearch-7-10-0-not-start-ubuntu-20-04/256329/7 "2020-11-23T09:50:06Z")

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To purge the old settings and installation: `sudo apt-get remove --purge elasticsearch`

But I was unable to install 7.8 since the archive is not found. 7.10.0 is fine but I want to use the previous version. Do you have suggestions how to install 7.8?

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<div class="post-metadata">

**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [November 23, 2020, 9:50pm UTC](https://discuss.elastic.co/t/elasticsearch-7-10-0-not-start-ubuntu-20-04/256329/8 "2020-11-23T21:50:58Z")

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You can tell apt to install specific versions of a piece of software, you may want to consult the `man` page for apt.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [December 21, 2020, 9:51pm UTC](https://discuss.elastic.co/t/elasticsearch-7-10-0-not-start-ubuntu-20-04/256329/9 "2020-12-21T21:51:08Z")

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