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Criu Alternatives
Similar projects and alternatives to criu
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PluginLoader
Discontinued A plugin loader for the Steam Deck [Moved to: https://github.com/SteamDeckHomebrew/decky-loader]
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nginx-link-function
It is a NGINX module that provides dynamic linking to your application in server context and call the function of your application in location directive
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NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better criu alternative or higher similarity.
criu discussion
criu reviews and mentions
Posts with mentions or reviews of criu.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2026-04-17.
- Rootless container checkpoint/restore in CRIU
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Show HN: Smol machines – subsecond coldstart, portable virtual machines
It helps if you offer a concrete use case, as in how large the heap is, what kinda of blackout period you can handle, and whether the app can handle all of it's open connections being destroyed, etc. The more an app can handle resetting some of it's own state, the easier LM is going to be to implement. If your workload jives with CRIU https://github.com/checkpoint-restore/criu you could do this already.
By what I assume is your definition, there are plenty of "non cloud native" workloads running on clouds that need live migration. Azure and GCP use LM behind the scenes to give the illusion of long uptime hosts. Guest VMs are moved around for host maintenance.
- CRIU, a project to implement checkpoint/restore functionality for Linux
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When "letting it crash" is not enough
Checkpoint/Restore I feel is a bigger concept than just saving state. At the zeroth level it's a system that can correctly stop and serialize a running process (as criu https://github.com/checkpoint-restore/criu has shown is a huge pain in the ass to still not be perfect) in a way that can initiated from within the process itself.
The 1st level more-work-but-easier way to do this is to build or use a heavily constrained VM/language you run from within your main application that doesn't allow for most of the hard problems to even exist.
I can't find any ready-made tools to do this that I wouldn't consider an endeavor.
- CRIU – Checkpoint/restore Linux tasks
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Live Switching Pods to another Node on Resource Limits
That being said the Checkpoint Restore In Userspace project has been around for a number of years and is the closest thing to what you are talking about: taking a linux process on one machine and moving it to another. It is messy but can be done in some cases. There are folks looking at how to integrate CRIU with k8s but it’s all research at this point.
- Criu: Checkpoint/Restore Functionality for Linux
- checkpoint-restore/criu: Checkpoint/Restore tool
- checkpoint-restore/criu: Linux Checkpoint/Restore tool
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The intersection of shadow stacks and CRIU
I would love to make more use of CRIU. E.g. I considered to use CRIU for my Python preloaded logic (https://github.com/albertz/python-preloaded). Unfortunately, at that point in time, CRIU must be used with root access, which was not an option. However, I see that the PR was merged now, so maybe it works now? (https://github.com/checkpoint-restore/criu/pull/1930)
There is also DMTCP (https://github.com/dmtcp/dmtcp/) but this might have other problems for my use case.
My solution was to use a fork server instead, which works almost equally well. There are not really much downsides with this approach. And this is actually quite simple, and also quite cross-platform (except Windows).
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A note from our sponsor - SaaSHub
www.saashub.com | 11 Jul 2026
Stats
Basic criu repo stats
19
3,900
9.6
9 days ago
checkpoint-restore/criu is an open source project licensed under GNU General Public License v3.0 or later which is an OSI approved license.
The primary programming language of criu is C.
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