# Juliaup cannot find Julia

**URL:** <https://discourse.julialang.org/t/juliaup-cannot-find-julia/137462>\
**Category:** General Usage\
**Tags:** juliaup\
**Created:** [June 6, 2026, 1:20am UTC](https://discourse.julialang.org/t/juliaup-cannot-find-julia/137462 "2026-06-06T01:20:03Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![huang\_min](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/huang_min/32/34337_2.png) [@huang\_min](https://discourse.julialang.org/u/huang_min)\
**Post date:** [June 6, 2026, 1:20am UTC](https://discourse.julialang.org/t/juliaup-cannot-find-julia/137462/1 "2026-06-06T01:20:03Z")

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I am using Ubuntu under WSL2. Yesterday morning, everything was fine and I did not do anything to the system. However, around evening, Juliaup could not find Julia any more. Actually, I was using the same screen in the morning.

> julia  
> Command ‘julia’ not found, but can be installed with:  
> sudo snap install julia

I rebooted the system today but got the same error. I wonder what has happened.

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**Author:** ![ufechner7](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/ufechner7/32/51363_2.png) [@ufechner7](https://discourse.julialang.org/u/ufechner7)\
**Post date:** [June 6, 2026, 3:07am UTC](https://discourse.julialang.org/t/juliaup-cannot-find-julia/137462/2 "2026-06-06T03:07:04Z")

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Same problem here, using standard Ubuntu 24.04 without WSL. I deleted the .juliaup folder and reinstalled juliaup.

This solved the problem.

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**Author:** ![dilumaluthge](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/dilumaluthge/32/29283_2.png) [@dilumaluthge](https://discourse.julialang.org/u/dilumaluthge)\
**Post date:** [June 6, 2026, 3:10am UTC](https://discourse.julialang.org/t/juliaup-cannot-find-julia/137462/3 "2026-06-06T03:10:27Z")

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I believe this is a bug that has been fixed. IIUC, you can simply do `juliaup self update` and it should fix the bug.

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**Author:** ![sylvaticus](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/sylvaticus/32/203883_2.png) [@sylvaticus](https://discourse.julialang.org/u/sylvaticus)\
**Post date:** [June 6, 2026, 5:54am UTC](https://discourse.julialang.org/t/juliaup-cannot-find-julia/137462/4 "2026-06-06T05:54:31Z")

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By curiosity, what happened and how it went into without any apparent action by the user? (it happened to me as well, on Ubuntu)

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**Author:** ![jdad](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/jdad/32/4739_2.png) [@jdad](https://discourse.julialang.org/u/jdad)\
**Post date:** [June 6, 2026, 7:16am UTC](https://discourse.julialang.org/t/juliaup-cannot-find-julia/137462/5 "2026-06-06T07:16:26Z")

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Just found that ‘juliaup self update’ leaves a \_postupdate process hanging up, holding lock to juliaup/julia config file (under Linux).

Killing this postupdate process get the lock freed with no apparent side effect. So hope everything is well now?

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**Author:** ![Eben60](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/eben60/32/13475_2.png) [@Eben60](https://discourse.julialang.org/u/Eben60)\
**Post date:** [June 6, 2026, 9:32am UTC](https://discourse.julialang.org/t/juliaup-cannot-find-julia/137462/6 "2026-06-06T09:32:46Z")

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run “juliaup self update” - just because haven’t done it for long time. Now what I got:

```julia-auto
    Checking for new Julia versions
Checking for self-updates
Found new version 1.20.4 on channel release.
Juliaup configuration is locked by another process, waiting for it to unlock.

```

I’m on Mac, and actually it had been recently restarted and I haven’t done anything “julian” since.

_Update:_ I’ve Ctrl/C the process after a while, and did other things (also running Julia). Now I wanted to see which `juliaup` version I actually have:

```julia-auto
eben60@Mac ~ % juliaup --version
Juliaup 1.20.4

```

That is, update has been presumably performed, but then stalled at clean-up or whatever.