# Uncategorized **URL:** https://forums.nanovms.com/c/uncategorized/1.md [Latest](https://forums.nanovms.com/latest.md) · [Categories](https://forums.nanovms.com/categories.md) · [Tags](https://forums.nanovms.com/tags.md) --- ## [Welcome to Discourse](https://forums.nanovms.com/t/welcome-to-discourse/7)
**Author:** [@system](https://forums.nanovms.com/u/system)\ **Replies:** 0\ **Last updated:** [January 22, 2022, 5:17pm UTC](https://forums.nanovms.com/t/welcome-to-discourse/7 "2022-01-22T17:17:49Z")
Welcome! All topics on running unikernels using the OPS and Nanos toolchain can go here. For issues please use the issue tracker - for everything else - we have discourse. --- ## [Ops cmd doesn't work, there are no examples for various containers](https://forums.nanovms.com/t/ops-cmd-doesnt-work-there-are-no-examples-for-various-containers/86)
**Author:** [@skaonlinegml](https://forums.nanovms.com/u/skaonlinegml)\ **Replies:** 3\ **Last updated:** [August 16, 2026, 10:15pm UTC](https://forums.nanovms.com/t/ops-cmd-doesnt-work-there-are-no-examples-for-various-containers/86 "2026-08-16T22:15:48Z")
Hi Nanovms team I tried to convert various Docker containers into unikernel images and it just didn’t work. Is there any page which shows how you can convert X/Y/Z various common Docker images into Unikernel images. Ex… --- ## [Run jvm openj9(ibm semerun runtime) on nanos](https://forums.nanovms.com/t/run-jvm-openj9-ibm-semerun-runtime-on-nanos/85)
**Author:** [@lopcom](https://forums.nanovms.com/u/lopcom)\ **Replies:** 0\ **Last updated:** [September 16, 2025, 9:31pm UTC](https://forums.nanovms.com/t/run-jvm-openj9-ibm-semerun-runtime-on-nanos/85 "2025-09-16T21:31:32Z")
Hi all, i have open this issue for this problem Problem run openj9 jvm on nanos unikernel · Issue #2109 · nanovms/nanos · GitHub , Problem run openj9 jvm on nanos unikernel. any idea? --- ## [Run pytorch inference on nanovm](https://forums.nanovms.com/t/run-pytorch-inference-on-nanovm/83)
**Author:** [@sara](https://forums.nanovms.com/u/sara)\ **Replies:** 9\ **Last updated:** [July 24, 2025, 11:37am UTC](https://forums.nanovms.com/t/run-pytorch-inference-on-nanovm/83 "2025-07-24T11:37:24Z")
I’m trying to run pytorch inference on nanovm (that requires another python packages such transformers..), I’m trying to run from my python environment- venv, with the needed packages, my config file is: { "Env": { … --- ## [Using nanovms instead of docker on home server type setup](https://forums.nanovms.com/t/using-nanovms-instead-of-docker-on-home-server-type-setup/81)
**Author:** [@crzymat](https://forums.nanovms.com/u/crzymat)\ **Replies:** 2\ **Last updated:** [July 1, 2025, 2:25pm UTC](https://forums.nanovms.com/t/using-nanovms-instead-of-docker-on-home-server-type-setup/81 "2025-07-01T14:25:13Z")
Hi, I’ve been meaning to look at unikernals for a while, finally got around to it. I thought it might be interesting to fit them into how I tend to use oci containers with podman compose. For example I might use claude… --- ## [A question about nanos performance](https://forums.nanovms.com/t/a-question-about-nanos-performance/79)
**Author:** [@ansarulkabir](https://forums.nanovms.com/u/ansarulkabir)\ **Replies:** 6\ **Last updated:** [June 10, 2025, 12:25am UTC](https://forums.nanovms.com/t/a-question-about-nanos-performance/79 "2025-06-10T00:25:06Z")
Recently I conducted an experiment where I measured energy used by docker image, and nanos unikernel. I used a few benchmark functions, bubble sort, merge sort, a loop of hashing, etc. and saw significant improvement in… --- ## [Facing error performing merge sort on large array](https://forums.nanovms.com/t/facing-error-performing-merge-sort-on-large-array/74)
**Author:** [@ansarulkabir](https://forums.nanovms.com/u/ansarulkabir)\ **Replies:** 7\ **Last updated:** [May 4, 2025, 10:37pm UTC](https://forums.nanovms.com/t/facing-error-performing-merge-sort-on-large-array/74 "2025-05-04T22:37:18Z")
Hi, I am performing merge sort in a nodejs/express app, that is running in ubuntu server 24. I am sending request in 10 sec. interval, that is after receiving response from the express app, I am waiting for 10 second bef… --- ## [Running multiple instances of a package](https://forums.nanovms.com/t/running-multiple-instances-of-a-package/61)
**Author:** [@magnan](https://forums.nanovms.com/u/magnan)\ **Replies:** 2\ **Last updated:** [October 24, 2024, 9:52pm UTC](https://forums.nanovms.com/t/running-multiple-instances-of-a-package/61 "2024-10-24T21:52:08Z")
Hi, I create a package with my executable. I am able to run one instance of the package in my qemu-kvm Linux host but when I whish to create a second instance with a different config file it says qemu-system-aarch64: -… --- ## [How can I setup network for my VDI image?](https://forums.nanovms.com/t/how-can-i-setup-network-for-my-vdi-image/69)
**Author:** [@ansarulkabir](https://forums.nanovms.com/u/ansarulkabir)\ **Replies:** 3\ **Last updated:** [January 30, 2025, 4:29am UTC](https://forums.nanovms.com/t/how-can-i-setup-network-for-my-vdi-image/69 "2025-01-30T04:29:56Z")
I am trying to run an express unikernel in VirtualBox, however when I bootup my image, I am getting errors. The first error is: No network module found the second is node error, MODULE\_NOT\_FOUND this is my config.json… --- ## [Can i run unikernel on Bare Metal?](https://forums.nanovms.com/t/can-i-run-unikernel-on-bare-metal/66)
**Author:** [@itzpires](https://forums.nanovms.com/u/itzpires)\ **Replies:** 1\ **Last updated:** [November 22, 2024, 12:23am UTC](https://forums.nanovms.com/t/can-i-run-unikernel-on-bare-metal/66 "2024-11-22T00:23:19Z")
Hello, I hope you’re well! I have a question while exploring the OPS website. Is it possible to run Nanos, via Bare Metal, for example, put the image on a USB pen and boot a unikernel on my computer from the USB pen, wi… --- ## [Repo SSL cert invalid](https://forums.nanovms.com/t/repo-ssl-cert-invalid/64)
**Author:** [@magnan](https://forums.nanovms.com/u/magnan)\ **Replies:** 1\ **Last updated:** [November 13, 2024, 2:08pm UTC](https://forums.nanovms.com/t/repo-ssl-cert-invalid/64 "2024-11-13T14:08:16Z")
API calls to the repo are failing for me: ops pkg login \ version lookup failed, using local. Post "https://repo.ops.city/apikeys/validate": tls: failed to verify certificate: x509: certificate signed by unknown a… --- ## [Creating a VPN Gateway with a Unikernel running WireGuard](https://forums.nanovms.com/t/creating-a-vpn-gateway-with-a-unikernel-running-wireguard/63)
**Author:** [@samueljoli](https://forums.nanovms.com/u/samueljoli)\ **Replies:** 1\ **Last updated:** [November 12, 2024, 4:02pm UTC](https://forums.nanovms.com/t/creating-a-vpn-gateway-with-a-unikernel-running-wireguard/63 "2024-11-12T16:02:12Z")
Interestingly enough nanovms published an article going over exactly what chatGPT thought was impossible, running a vpn inside a unikernel. Creating a VPN Gateway with a Unikernel running WireGuard I mentioned chatGPT, … --- ## [How to Effectively Utilize NanoVMs for My Projects?](https://forums.nanovms.com/t/how-to-effectively-utilize-nanovms-for-my-projects/59)
**Author:** [@leroga1934](https://forums.nanovms.com/u/leroga1934)\ **Replies:** 1\ **Last updated:** [October 23, 2024, 2:43pm UTC](https://forums.nanovms.com/t/how-to-effectively-utilize-nanovms-for-my-projects/59 "2024-10-23T14:43:21Z")
Hey guys… :wave: I am currently exploring the possibilities of using NanoVMs in my projects and would love to get some insights from the community. I have read that NanoVMs can significantly enhance the efficiency and … --- ## [Nanos and Threads](https://forums.nanovms.com/t/nanos-and-threads/56)
**Author:** [@itzpires](https://forums.nanovms.com/u/itzpires)\ **Replies:** 2\ **Last updated:** [October 9, 2024, 3:32pm UTC](https://forums.nanovms.com/t/nanos-and-threads/56 "2024-10-09T15:32:29Z")
Good afternoon, I hope everyone is well. Nanos is multi-threaded. However, it can’t create threads with pthread\_create. Does the thread implementation method use anything specific? Thank you very much! samuel@samuel-v… --- ## [Failed to write and read file on Nanos](https://forums.nanovms.com/t/failed-to-write-and-read-file-on-nanos/55)
**Author:** [@itzpires](https://forums.nanovms.com/u/itzpires)\ **Replies:** 7\ **Last updated:** [October 9, 2024, 3:13pm UTC](https://forums.nanovms.com/t/failed-to-write-and-read-file-on-nanos/55 "2024-10-09T15:13:37Z")
Hello, I hope you’re well. I’ve been working with Nanos for a few days, but I’ve come up against a problem. I have a program that should write logs to disk, but it turns out that it’s not possible to write to disk with … --- ## [Question on bootup messages](https://forums.nanovms.com/t/question-on-bootup-messages/32)
**Author:** [@ernestomedina17](https://forums.nanovms.com/u/ernestomedina17)\ **Replies:** 7\ **Last updated:** [September 20, 2024, 7:17am UTC](https://forums.nanovms.com/t/question-on-bootup-messages/32 "2024-09-20T07:17:03Z")
Hello When I launch my app in aws on a t4g.nano instance I see these msgs in the system log console: UEFI firmware (version built at 09:00:00 on Nov 1 2018) e\[2Je\[01;01He\[=3he\[2Je\[01;01He\[2Je\[01;01He\[=3he\[2Je\[01;01He… --- ## [Arm64 golang hello-wold fails to run on MacBook Air M1](https://forums.nanovms.com/t/arm64-golang-hello-wold-fails-to-run-on-macbook-air-m1/28)
**Author:** [@ernestomedina17](https://forums.nanovms.com/u/ernestomedina17)\ **Replies:** 19\ **Last updated:** [June 17, 2024, 1:15pm UTC](https://forums.nanovms.com/t/arm64-golang-hello-wold-fails-to-run-on-macbook-air-m1/28 "2024-06-17T13:15:39Z")
Hello, I’m trying to build a hello world app in golang following the docs here: MacOS - Ops I tried with both amd64 and arm64, hope you can give me a hand. % GOARCH=amd64 GOOS=linux go build . % ops run --arch=amd64 he… --- ## [Troubleshoot dead instance on DO](https://forums.nanovms.com/t/troubleshoot-dead-instance-on-do/43)
**Author:** [@Oxdoggo](https://forums.nanovms.com/u/Oxdoggo)\ **Replies:** 7\ **Last updated:** [April 6, 2024, 10:21pm UTC](https://forums.nanovms.com/t/troubleshoot-dead-instance-on-do/43 "2024-04-06T22:21:58Z")
you can discuss non-feature/non-bug stuff on the discussions tab or we do have https://forums.nanovms.com/ as well which I think we’d prefer as for your particular issue with the ‘9 hours and its dead’ - we’re going to… --- ## [Abnormal termination of running CUDA program](https://forums.nanovms.com/t/abnormal-termination-of-running-cuda-program/39)
**Author:** [@Avice](https://forums.nanovms.com/u/Avice)\ **Replies:** 3\ **Last updated:** [March 4, 2024, 4:31pm UTC](https://forums.nanovms.com/t/abnormal-termination-of-running-cuda-program/39 "2024-03-04T16:31:11Z")
Hello, I am running the cricket project in Nanos to call remote GPU resources in Unikernel, but a fatal error has occurred and I don’t know how to solve it. Here is my detailed build process. Compile cricket git clon… --- ## [Troubleshooting Manual Package Creation](https://forums.nanovms.com/t/troubleshooting-manual-package-creation/35)
**Author:** [@pczinser](https://forums.nanovms.com/u/pczinser)\ **Replies:** 5\ **Last updated:** [February 9, 2024, 4:29am UTC](https://forums.nanovms.com/t/troubleshooting-manual-package-creation/35 "2024-02-09T04:29:31Z")
Hello, I am trying to make an apache httpd with mod\_php package. I went through the build process for httpd and php and I can run the compiled httpd with the php module enabled no problem. Using ops pkg from-run only pu… --- ## [Bypass AWS\_ACCESS\_KEY\* check](https://forums.nanovms.com/t/bypass-aws-access-key-check/33)
**Author:** [@ernestomedina17](https://forums.nanovms.com/u/ernestomedina17)\ **Replies:** 2\ **Last updated:** [December 9, 2023, 5:10pm UTC](https://forums.nanovms.com/t/bypass-aws-access-key-check/33 "2023-12-09T17:10:05Z")
Hello I’m automating my image build process using AWS CodeBuild and AWS CodePipeline, FYI the build host is a Docker container as described below: environment { compute\_type = "BUILD\_GENERAL1\_SMALL" … --- ## [AWS Question - PTP Hardware clock support](https://forums.nanovms.com/t/aws-question-ptp-hardware-clock-support/29)
**Author:** [@ernestomedina17](https://forums.nanovms.com/u/ernestomedina17)\ **Replies:** 3\ **Last updated:** [December 5, 2023, 9:48am UTC](https://forums.nanovms.com/t/aws-question-ptp-hardware-clock-support/29 "2023-12-05T09:48:08Z")
Hello all When using an AWS EC2 instance is it possible to set up the time using PTP Hardware clock instead of NTP klib? Thanks and regards, Ernesto Medina. --- ## [Bug - NTP Klib not working with IPv6 in AWS](https://forums.nanovms.com/t/bug-ntp-klib-not-working-with-ipv6-in-aws/31)
**Author:** [@ernestomedina17](https://forums.nanovms.com/u/ernestomedina17)\ **Replies:** 3\ **Last updated:** [December 4, 2023, 10:06pm UTC](https://forums.nanovms.com/t/bug-ntp-klib-not-working-with-ipv6-in-aws/31 "2023-12-04T22:06:49Z")
Hello I discovered a bug while configuring the NTP Klib to use the AWS NTP Server with the IPv6 IP. Using AWS NTP server is recommended for lower latency within the AWS cloud. Doc Reference. Basically the ipv4 works: "… --- ## [AWS Question - Image encryption using KMS](https://forums.nanovms.com/t/aws-question-image-encryption-using-kms/30)
**Author:** [@ernestomedina17](https://forums.nanovms.com/u/ernestomedina17)\ **Replies:** 8\ **Last updated:** [December 4, 2023, 3:36pm UTC](https://forums.nanovms.com/t/aws-question-image-encryption-using-kms/30 "2023-12-04T15:36:23Z")
Hello all When creating an image in AWS I couldn’t find a configuration option to create it encrypted using a KMS key. Is this possible? Thanks and regards, Ernesto Medina. --- ## [Package not found issue when executing ops](https://forums.nanovms.com/t/package-not-found-issue-when-executing-ops/19)
**Author:** [@georgenanovm](https://forums.nanovms.com/u/georgenanovm)\ **Replies:** 4\ **Last updated:** [September 20, 2022, 12:52am UTC](https://forums.nanovms.com/t/package-not-found-issue-when-executing-ops/19 "2022-09-20T00:52:55Z")
(pythonvenv) \[xxxxxxxxx@fedora ops\_test\]$ ops version Ops version: 0.1.32 Nanos version: 0.0 (pythonvenv) \[xxxxxxxxx@fedora ops\_test\]$ ops pkg load python\_3.6.7 -a hello.py 100% |█████████████████████████████████████…