# Update to latest version error
**URL:** https://meta.discourse.org/t/update-to-latest-version-error/218877
**Category:** Self-hosting
**Tags:** server-resources
**Created:** [February 20, 2022, 1:44pm UTC](https://meta.discourse.org/t/update-to-latest-version-error/218877 "2022-02-20T13:44:10Z")
**Posts on this page:** 14
**Page:** 1
### Author:  [@daming](https://meta.discourse.org/u/daming)
#### Post date: [February 20, 2022, 1:44pm UTC](https://meta.discourse.org/t/update-to-latest-version-error/218877/1 "2022-02-20T13:44:10Z")
When I upgrade the version of discourse from 2.8.0 to 2.9.0 it always shows this error.
OS is centos 8.0，1C2G
Can someone help me？
[error.txt](https://meta.discourse.org/uploads/short-url/88X0XCGpQUIHPOtCgOsbTN5MF8u.txt) (3.3 KB)
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### Author:  [@pfaffman](https://meta.discourse.org/u/pfaffman)
#### Post date: [February 20, 2022, 2:02pm UTC](https://meta.discourse.org/t/update-to-latest-version-error/218877/2 "2022-02-20T14:02:41Z")
How did you install?
The error is above what you showed.
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### Author:  [@IAmGav](https://meta.discourse.org/u/IAmGav)
#### Post date: [February 20, 2022, 2:05pm UTC](https://meta.discourse.org/t/update-to-latest-version-error/218877/3 "2022-02-20T14:05:10Z")
My Centos is a bit rusty, but try and run the update
- `sudo dnf makecache`
- `sudo dnf update`
- `sudo dnf upgrade`
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### Author:  [@daming](https://meta.discourse.org/u/daming)
#### Post date: [February 20, 2022, 2:39pm UTC](https://meta.discourse.org/t/update-to-latest-version-error/218877/4 "2022-02-20T14:39:40Z")
OK
I updated the post
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### Author:  [@daming](https://meta.discourse.org/u/daming)
#### Post date: [February 20, 2022, 2:43pm UTC](https://meta.discourse.org/t/update-to-latest-version-error/218877/5 "2022-02-20T14:43:44Z")
OK, thanks. I will try.
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### Author:  [@JammyDodger](https://meta.discourse.org/u/JammyDodger)
#### Post date: [February 20, 2022, 2:56pm UTC](https://meta.discourse.org/t/update-to-latest-version-error/218877/6 "2022-02-20T14:56:29Z")
I think error code 137 is out of memory?
There was a recent topic with a similar issue that might help:
> [@Failed to upgrade discourse instance to Feb 15 2022](https://meta.discourse.org/t/failed-to-upgrade-discourse-instance-to-feb-15-2022/218204):
>
> Upgrading from [Commits · discourse/discourse · GitHub](https://github.com/discourse/discourse/commits/55007fbf5597e8d6c52464b93f519794bd9fb516) to the latest has caused the site to go down, here is notable segments of the logs: I, [2022-02-15T05:27:48.995821 #1] INFO -- : Replacing (?-mix:^host.\*all.\*all.\*127.\*$) with host all all 0.0.0.0/0 md5 in /etc/postgresql/13/main/pg\_hba.conf I, [2022-02-15T05:27:48.997476 #1] INFO -- : Replacing (?-mix:^host.\*all.\*all.\*::1\/128.\*$) with host all all ::/0 md5 in /etc/postgresql/13/main/pg\_hba.conf I, [2022-02-15T05:27:48.998553 #1] INFO --…
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### Author:  [@daming](https://meta.discourse.org/u/daming)
#### Post date: [February 20, 2022, 3:14pm UTC](https://meta.discourse.org/t/update-to-latest-version-error/218877/8 "2022-02-20T15:14:36Z")
Fine, maybe you are right
Few month later I will update my sever
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### Author:  [@JammyDodger](https://meta.discourse.org/u/JammyDodger)
#### Post date: [February 20, 2022, 3:28pm UTC](https://meta.discourse.org/t/update-to-latest-version-error/218877/9 "2022-02-20T15:28:00Z")
If you read through that topic, there were a couple of workarounds you could try beforehand?
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### Author:  [@daming](https://meta.discourse.org/u/daming)
#### Post date: [February 20, 2022, 4:28pm UTC](https://meta.discourse.org/t/update-to-latest-version-error/218877/11 "2022-02-20T16:28:26Z")
Yeah, sure! Thank you
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### Author:  [@JammyDodger](https://meta.discourse.org/u/JammyDodger)
#### Post date: [February 20, 2022, 4:54pm UTC](https://meta.discourse.org/t/update-to-latest-version-error/218877/12 "2022-02-20T16:54:44Z")
Are you up and running again? 🤞
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### Author:  [@daming](https://meta.discourse.org/u/daming)
#### Post date: [February 21, 2022, 1:40am UTC](https://meta.discourse.org/t/update-to-latest-version-error/218877/13 "2022-02-21T01:40:16Z")
No, I will try again after upgrading the server configuration in two to three months.
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### Author:  [@balupton](https://meta.discourse.org/u/balupton)
#### Post date: [February 21, 2022, 3:48am UTC](https://meta.discourse.org/t/update-to-latest-version-error/218877/14 "2022-02-21T03:48:44Z")
If your server doesn’t have swap, which you can check on your server by running the `free` command, then you could add swap rather than upgrading your server:
> [@Failed to upgrade discourse instance to Feb 15 2022](https://meta.discourse.org/t/failed-to-upgrade-discourse-instance-to-feb-15-2022/218204/13):
>
> You need to add some swap. Looks like you have plenty of disk, so you could add 2G or even 3G for safety. The discourse standard setup should, I think, have already set up the swap for you. Perhaps see [Create a swapfile for your Linux server](https://meta.discourse.org/t/create-a-swapfile-for-your-linux-server/13880)
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### Author:  [@daming](https://meta.discourse.org/u/daming)
#### Post date: [February 21, 2022, 5:51am UTC](https://meta.discourse.org/t/update-to-latest-version-error/218877/15 "2022-02-21T05:51:15Z")
Thanks, I will try In the weekend.
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### Author:  [@system](https://meta.discourse.org/u/system)
#### Post date: [March 23, 2022, 5:51am UTC](https://meta.discourse.org/t/update-to-latest-version-error/218877/16 "2022-03-23T05:51:54Z")
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