Seeking advice on RCE setup: Self-Hosted

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Nicholas Hadley

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Jun 27, 2025, 12:40:35 PMJun 27
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Hi there,

Relatively new to all of this. Trying to get RCE setup on our new self-hosted Canvas. We didn’t use docker but rather have it running along side it on the VM. I keep getting 401 errors related to RCE when loading a page to edit.

I can’t figure out if it’s something to do with the session cookie or something else I’m missing entirely. Again, very new to this and any advice is appreciated.

 

Nicholas

-----------------------------------------

Nicholas S. Hadley, M.Ed. (he/him)

IT Specialist & Project Coordinator | Center of Human Development

College of Education

Just like moons and like suns, with the certainty of tides, just like hopes springing high, still I’ll rise.-Maya Angelou

 

Andrey Gangan

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Jun 28, 2025, 3:46:08 AMJun 28
to Canvas LMS Users
suppose you have secrets issue
or trying to run rce on same domain.
use seprate subdomain for rce
пятница, 27 июня 2025 г. в 19:40:35 UTC+3, Nicholas Hadley:

Chris Sayre

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Jun 28, 2025, 2:39:45 PMJun 28
to Canvas LMS Users
Hello Nicholas, 

I just got this setup and working on my self-hosted canvas. I did a bit of a write up. 

http://csayre.com/canvas-rce-setup/ 

Let me know if you run into any issues and I will correct my documentation. 

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Nicholas Hadley

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Jul 3, 2025, 3:32:57 PMJul 3
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Chris, thanks so much.

I actually had to start back from zero and am having a heck of a time.

Canvas it seems has made an update as of 7/2 and now I can’t get anything to start- https://github.com/instructure/canvas-lms/wiki/Production-Start#dependency-installation

I’ve tried to install Ruby @ 3.3.1 (I then get a gemfile error saying it’s specified to be 3.4.1) but when I install 3.4.1, I get Passenger issues and it won’t start up.

 

If you have any time to assist I’d greatly appreciate it and happily buy you a cup of coffee over zoom or something.

 

Nicholas

 


----------------------------------------

Nicholas S. Hadley, M.Ed. (he/him)

IT Specialist & Project Coordinator | Center on Human Development

College of Education

Just like moons and like suns, with the certainty of tides, just like hopes springing high, still I’ll rise.-Maya Angelou

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Chris Sayre

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Jul 3, 2025, 4:17:14 PMJul 3
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Hey Nicholas,

I recall running into the same thing too. I am writing up some better instructions (no shade towards infrastructure) on how to get canvas working. My instructions are based on rocky Linux not Ubuntu. I need to go through them one more time before I publish them. I am on vacation until Sunday but I will try to have them out Sunday night/monday morning.

Thanks, 

Chris Sayre

Chief

Vinton First Aid Crew

110 West Jackson Ave, Vinton, VA 24179

C: 540-470-2912 | E: csa...@vintonems.com

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On Jul 3, 2025, at 15:32, Nicholas Hadley <nhad...@uoregon.edu> wrote:



Chris, thanks so much.

I actually had to start back from zero and am having a heck of a time.

Canvas it seems has made an update as of 7/2 and now I can’t get anything to start- https://github.com/instructure/canvas-lms/wiki/Production-Start#dependency-installation

I’ve tried to install Ruby @ 3.3.1 (I then get a gemfile error saying it’s specified to be 3.4.1) but when I install 3.4.1, I get Passenger issues and it won’t start up.

 

If you have any time to assist I’d greatly appreciate it and happily buy you a cup of coffee over zoom or something.

 

Nicholas

 


----------------------------------------

Nicholas S. Hadley, M.Ed. (he/him)

IT Specialist & Project Coordinator | Center on Human Development

College of Education

Just like moons and like suns, with the certainty of tides, just like hopes springing high, still I’ll rise.-Maya Angelou

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Nicholas Hadley

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Jul 3, 2025, 4:19:40 PMJul 3
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Thanks so much, Chris. It’s much appreciated. What’s awful is I got this all working last week, and then when tinkering with RCE lost it, and then it looks like they updated to Ruby 3.4.1 and now it’s totally locked up.

 

Enjoy the time off!

Nicholas

 


----------------------------------------

Nicholas S. Hadley, M.Ed. (he/him)

IT Specialist & Project Coordinator | Center on Human Development

College of Education

Just like moons and like suns, with the certainty of tides, just like hopes springing high, still I’ll rise.-Maya Angelou

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Chris Sayre

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Jul 10, 2025, 2:04:53 PMJul 10
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Hey Nicholas,

I promise I havent forgotten about you. I am running into an issue with the Gem file not wanting to load now. I installed ruby in the home directory of the canvas user, but I am trying to figure out how I was able to get canvas to see that Ruby install. I was thinking it was in the path of the service file. But that does not seem to be the case. I have tried to follow my instructions two times now, but I am still having some trouble. I just wanted to let you know I was still working on it. 

Thanks, 

Chris Sayre

Chief

Vinton First Aid Crew

110 West Jackson Ave, Vinton, VA 24179

C: 540-470-2912 | E: csa...@vintonems.com

Facebook | Instagram | LinkedIn | Website



Nicholas Hadley

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Jul 13, 2025, 6:12:26 PMJul 13
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Thank so much Chris. Maybe we could have a video call? I got mine up and running but now can’t seem to get the background services running properly. Things like course copy, and migrations won’t process. I know it has something to do with its ability to process files. Anyway, I’m out of the office on Monday but if you’re interested, I’d love to connect and maybe we can problem-solve together. 

Nicholas 

-----------------------------------------
Nicholas S. Hadley, M.Ed. (he/him)
IT Specialist & Project Coordinator | Center of Human Development
College of Education
Just like moons and like suns, with the certainty of tides, just like hopes springing high, still I’ll rise.-Maya Angelou



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