# balenaEngine **URL:** https://forums.balena.io/c/product-support/balena-engine/48.md?page=3 [Latest](https://forums.balena.io/latest.md) · [Categories](https://forums.balena.io/categories.md) · [Tags](https://forums.balena.io/tags.md) **Page:** 4 --- ## [How to protect the app in RW mode?](https://forums.balena.io/t/how-to-protect-the-app-in-rw-mode/35497)
**Author:** [@dtulyakov](https://forums.balena.io/u/dtulyakov)\ **Replies:** 11\ **Last updated:** [October 8, 2019, 7:39am UTC](https://forums.balena.io/t/how-to-protect-the-app-in-rw-mode/35497 "2019-10-08T07:39:43Z")
How to protect the app in balena if volumes are mapped in RW mode? /dev/hda6 on /mnt/data type ext4 (rw,relatime,data=ordered) /dev/hda6 on /var/lib/docker type ext4 (rw,relatime,data=ordered) I thought that the volume… --- ## [How to use a specific image in a docker manifest list?](https://forums.balena.io/t/how-to-use-a-specific-image-in-a-docker-manifest-list/34943)
**Author:** [@janvda](https://forums.balena.io/u/janvda)\ **Replies:** 1\ **Last updated:** [October 2, 2019, 9:27am UTC](https://forums.balena.io/t/how-to-use-a-specific-image-in-a-docker-manifest-list/34943 "2019-10-02T09:27:59Z")
Hi, At site https://hub.docker.com/r/nodered/node-red/tags (see screenshot below) you can see that there are multiple images for tag latest. In my dockerfile I want to specify the image corresponding to architecture ar… --- ## [Balena / Docker image from bootable sd card?](https://forums.balena.io/t/balena-docker-image-from-bootable-sd-card/33886)
**Author:** [@rustyeddy](https://forums.balena.io/u/rustyeddy)\ **Replies:** 6\ **Last updated:** [September 29, 2019, 1:22am UTC](https://forums.balena.io/t/balena-docker-image-from-bootable-sd-card/33886 "2019-09-29T01:22:07Z")
Hello, I am a Newbie, very much appreciate the help I get!!! The company I work for is going to start using Balena for the products it delivers, the product is a large piece of equipment with fairly complex electronics… --- ## [Balena-cli, balena-engine and SecretRemovalError](https://forums.balena.io/t/balena-cli-balena-engine-and-secretremovalerror/32211)
**Author:** [@aliasbits](https://forums.balena.io/u/aliasbits)\ **Replies:** 14\ **Last updated:** [September 17, 2019, 10:53am UTC](https://forums.balena.io/t/balena-cli-balena-engine-and-secretremovalerror/32211 "2019-09-17T10:53:50Z")
I am trying to build an image by use of balena cli. The following works as expected when docker socket is used: balena build --deviceType intel-nuc --arch amd64 --docker ‘/var/run/docker.sock’ The following does not… --- ## [Pull, EOF, sigsegv](https://forums.balena.io/t/pull-eof-sigsegv/31570)
**Author:** [@aliasbits](https://forums.balena.io/u/aliasbits)\ **Replies:** 10\ **Last updated:** [September 16, 2019, 12:10pm UTC](https://forums.balena.io/t/pull-eof-sigsegv/31570 "2019-09-16T12:10:01Z")
I have observed the same behaviour as described in error during connect: Post · Issue #177 · balena-os/balena-engine · GitHub when trying ‘balena-engine pull busybox’. Error message: Using default tag: latest error d… --- ## [Secrets, .balena and balena engine](https://forums.balena.io/t/secrets-balena-and-balena-engine/29141)
**Author:** [@aliasbits](https://forums.balena.io/u/aliasbits)\ **Replies:** 7\ **Last updated:** [September 4, 2019, 10:43am UTC](https://forums.balena.io/t/secrets-balena-and-balena-engine/29141 "2019-09-04T10:43:52Z")
I am trying to migrate from docker ce to balena engine which seems non-trivial. I have tried to replace docker binaries by used for balena engine binaries using symlinks. Seems non-trivial to perform drop-in replace of … --- ## [balenaEngine Daemon](https://forums.balena.io/t/balenaengine-daemon/4588)
**Author:** [@rlev](https://forums.balena.io/u/rlev)\ **Replies:** 3\ **Last updated:** [September 4, 2019, 9:17am UTC](https://forums.balena.io/t/balenaengine-daemon/4588 "2019-09-04T09:17:56Z")
Hi guys, After install balenaEngine in a Linux system using : curl -sfL https://balena.io/engine/install.sh | sh How to start the balenaEngine service (Daemon) ? Thanks --- ## [Securely sharing sensitive data between containers](https://forums.balena.io/t/securely-sharing-sensitive-data-between-containers/22612)
**Author:** [@Torben](https://forums.balena.io/u/Torben)\ **Replies:** 4\ **Last updated:** [August 28, 2019, 9:50am UTC](https://forums.balena.io/t/securely-sharing-sensitive-data-between-containers/22612 "2019-08-28T09:50:54Z")
We’ve been working with Balena for quite some time now and currently we are looking for a good option to share secrets like passwords, SSH private keys, SSL certificates, or another pieces of data between containers. Wit… --- ## [Excessive size of layer](https://forums.balena.io/t/excessive-size-of-layer/27547)
**Author:** [@benat](https://forums.balena.io/u/benat)\ **Replies:** 12\ **Last updated:** [August 27, 2019, 12:15pm UTC](https://forums.balena.io/t/excessive-size-of-layer/27547 "2019-08-27T12:15:41Z")
Hey I run balena-engine on Debian distribution. I pull an image which have around 900 Mo. I remark on layer repository (balena-engine/vfs/dir) an excessive size of layer, around 5Go. There is only this image download o… --- ## [COPY failing: no such file or directory](https://forums.balena.io/t/copy-failing-no-such-file-or-directory/25989)
**Author:** [@mhazley](https://forums.balena.io/u/mhazley)\ **Replies:** 8\ **Last updated:** [August 21, 2019, 7:08am UTC](https://forums.balena.io/t/copy-failing-no-such-file-or-directory/25989 "2019-08-21T07:08:21Z")
Hello - I wonder can anyone help me with a problem that is perplexing me. I have a Dockerfile, inside it, is something like this (using made up names for example): COPY vendor/project-source /usr/src/project-source In… --- ## [Selectively disable services on a per-device basis?](https://forums.balena.io/t/selectively-disable-services-on-a-per-device-basis/22807)
**Author:** [@psychlist](https://forums.balena.io/u/psychlist)\ **Replies:** 4\ **Last updated:** [July 31, 2019, 5:32pm UTC](https://forums.balena.io/t/selectively-disable-services-on-a-per-device-basis/22807 "2019-07-31T17:32:37Z")
I’d like to be able to disable services (containers) selectively on a per-device basis using environment variables. Is there a built in way of doing this? Failing that, is there a Supervisor API method for disabling ser… --- ## [Trouble running the getting started example for balena-engine v17.12.0](https://forums.balena.io/t/trouble-running-the-getting-started-example-for-balena-engine-v17-12-0/22669)
**Author:** [@MHarris021](https://forums.balena.io/u/MHarris021)\ **Replies:** 1\ **Last updated:** [July 31, 2019, 8:50am UTC](https://forums.balena.io/t/trouble-running-the-getting-started-example-for-balena-engine-v17-12-0/22669 "2019-07-31T08:50:02Z")
Hello there, I am trying to run the example on the docs section for balena-engine on my Ubuntu Desktop 19.04. I am using version 17.12.0 of balena-engine. I am able to run sudo balena-engine pull resin/rpi-raspbian:jess… --- ## [Alpine Python container - /usr/bin/python recently switched from python 2 to python 3?](https://forums.balena.io/t/alpine-python-container-usr-bin-python-recently-switched-from-python-2-to-python-3/21627)
**Author:** [@maciej.ldc](https://forums.balena.io/u/maciej.ldc)\ **Replies:** 9\ **Last updated:** [July 23, 2019, 11:37am UTC](https://forums.balena.io/t/alpine-python-container-usr-bin-python-recently-switched-from-python-2-to-python-3/21627 "2019-07-23T11:37:35Z")
Just something we noticed - this would have been avoided if we had our base image version fixed to a particular release, but anyway just wondering if this (breaking) change was really intentional - we’ve been using FROM… --- ## [Reduce Log Noise (failed to retrieve balena-engine-init) and (unknown container)](https://forums.balena.io/t/reduce-log-noise-failed-to-retrieve-balena-engine-init-and-unknown-container/21120)
**Author:** [@jacobrosenthal](https://forums.balena.io/u/jacobrosenthal)\ **Replies:** 3\ **Last updated:** [July 18, 2019, 7:28pm UTC](https://forums.balena.io/t/reduce-log-noise-failed-to-retrieve-balena-engine-init-and-unknown-container/21120 "2019-07-18T19:28:52Z")
Were diagnosing some other things, but the logs are absolutely filled with the following two lines swamping out everything else Jul 17 02:17:03 acea848 balenad\[839\]: time=“2019-07-17T02:17:03.942796654Z” level=warning … --- ## [Support for context above docker-compose.yml](https://forums.balena.io/t/support-for-context-above-docker-compose-yml/17331)
**Author:** [@incanus](https://forums.balena.io/u/incanus)\ **Replies:** 2\ **Last updated:** [June 30, 2019, 1:32am UTC](https://forums.balena.io/t/support-for-context-above-docker-compose-yml/17331 "2019-06-30T01:32:02Z")
I am trying to share libraries between two different apps. Local project structure looks like this: ├── Dockerfile-A ├── Dockerfile-B ├── app-libs │ └── src ├── app-first │ ├── docker-compose.yml │ ├── container-… --- ## [Pull and Run a container with balenaEngine](https://forums.balena.io/t/pull-and-run-a-container-with-balenaengine/17253)
**Author:** [@xamsak](https://forums.balena.io/u/xamsak)\ **Replies:** 15\ **Last updated:** [June 28, 2019, 9:02am UTC](https://forums.balena.io/t/pull-and-run-a-container-with-balenaengine/17253 "2019-06-28T09:02:34Z")
Hello, I m very new in balena. I just use the first two commands from this link https://www.balena.io/engine/docs/ (pull an image and run it after downloaded). The pull it runs succesfully(the images are downloaded) , … --- ## [Binary releases for 18.9.6](https://forums.balena.io/t/binary-releases-for-18-9-6/17041)
**Author:** [@glenn](https://forums.balena.io/u/glenn)\ **Replies:** 6\ **Last updated:** [June 26, 2019, 1:22pm UTC](https://forums.balena.io/t/binary-releases-for-18-9-6/17041 "2019-06-26T13:22:07Z")
According to github there is a new release, however I can’t seem to download it via the release page. Is there going to be a binary release available soon? --- ## [Scratch image not running with a cross compiled go binary -- help](https://forums.balena.io/t/scratch-image-not-running-with-a-cross-compiled-go-binary-help/13288)
**Author:** [@mvargasevans](https://forums.balena.io/u/mvargasevans)\ **Replies:** 15\ **Last updated:** [June 5, 2019, 2:18pm UTC](https://forums.balena.io/t/scratch-image-not-running-with-a-cross-compiled-go-binary-help/13288 "2019-06-05T14:18:14Z")
Hi everyone, I hope someone around here has dealt with a similar issue: I am trying to run a pre-compiled Go binary on a scratch image on a RPi3, without success. The container is stuck as “installed” I have a simple… --- ## [Better error detection/reporting of invalid values in docker-compose?](https://forums.balena.io/t/better-error-detection-reporting-of-invalid-values-in-docker-compose/6095)
**Author:** [@maciej.ldc](https://forums.balena.io/u/maciej.ldc)\ **Replies:** 1\ **Last updated:** [April 17, 2019, 10:37am UTC](https://forums.balena.io/t/better-error-detection-reporting-of-invalid-values-in-docker-compose/6095 "2019-04-17T10:37:36Z")
I recently ran into a problem with running a multi-container app. It was entirely self-inflicted - one of the services was not starting, and ultimately the reason turned out to be a typo in the cap\_add section of the ser… --- ## [Systemd not available within container despite INITSYSTEM on](https://forums.balena.io/t/systemd-not-available-within-container-despite-initsystem-on/5939)
**Author:** [@JonathanDavis](https://forums.balena.io/u/JonathanDavis)\ **Replies:** 4\ **Last updated:** [April 9, 2019, 7:08am UTC](https://forums.balena.io/t/systemd-not-available-within-container-despite-initsystem-on/5939 "2019-04-09T07:08:39Z")
HI All, I have trawled the internet and these forums but am unfortunately still stuck with a problem concerning systemd inside of a container running on balenaOS. My environment: HOST OS: balenaOS 2.31.5+rev1 Supervi… --- ## [Sharing Non-Persistent Data Between Containers](https://forums.balena.io/t/sharing-non-persistent-data-between-containers/5657)
**Author:** [@drewcovi](https://forums.balena.io/u/drewcovi)\ **Replies:** 3\ **Last updated:** [March 22, 2019, 3:42pm UTC](https://forums.balena.io/t/sharing-non-persistent-data-between-containers/5657 "2019-03-22T15:42:09Z")
It appears the only condoned method of sharing data between containers is with named volumes which persist without a forced Purge Data Is there any way we can share data between various containers, so that we can serve … --- ## [Unable to connect to host mode container from bridged mode container](https://forums.balena.io/t/unable-to-connect-to-host-mode-container-from-bridged-mode-container/5704)
**Author:** [@drewcovi](https://forums.balena.io/u/drewcovi)\ **Replies:** 1\ **Last updated:** [March 21, 2019, 10:13pm UTC](https://forums.balena.io/t/unable-to-connect-to-host-mode-container-from-bridged-mode-container/5704 "2019-03-21T22:13:18Z")
I have a host mode container leveraging bluetooth and hosting a websocket to communicate status. I also have another container that I’d prefer to keep in bridged mode to keep it isolated. I’m able to connect to the blu… --- ## [Possible to run Avahi for Samba Shares in multi-container environment?](https://forums.balena.io/t/possible-to-run-avahi-for-samba-shares-in-multi-container-environment/5629)
**Author:** [@drewcovi](https://forums.balena.io/u/drewcovi)\ **Replies:** 4\ **Last updated:** [March 18, 2019, 7:48pm UTC](https://forums.balena.io/t/possible-to-run-avahi-for-samba-shares-in-multi-container-environment/5629 "2019-03-18T19:48:10Z")
Seems that Avahi is used on the host for advertising SSH. Is it possible to install Avahi in a container and advertise some Samba shares as well? Currently struggling with this setup. Seems it is blocked by dbus: Found… --- ## [Exposing port 139 in network mode](https://forums.balena.io/t/exposing-port-139-in-network-mode/5592)
**Author:** [@drewcovi](https://forums.balena.io/u/drewcovi)\ **Replies:** 2\ **Last updated:** [March 14, 2019, 4:01pm UTC](https://forums.balena.io/t/exposing-port-139-in-network-mode/5592 "2019-03-14T16:01:35Z")
I’m attempting to enable a samba share within a given container. It seems if I expose port 139 the container restarts constantly without any clear error message. I’ve had less trouble exposing port 445. Is this a known… --- ## [Container for i.MX6 solo x device](https://forums.balena.io/t/container-for-i-mx6-solo-x-device/5152)
**Author:** [@srikanthshapz](https://forums.balena.io/u/srikanthshapz)\ **Replies:** 2\ **Last updated:** [February 20, 2019, 3:13pm UTC](https://forums.balena.io/t/container-for-i-mx6-solo-x-device/5152 "2019-02-20T15:13:29Z")
Hello, We need container engine for our edge device which is based on i.MX6 solo x architecture. It runs custom built embedded linux which uses 4.9.141 kernel(Yocto 2.5). Is there is any port available for this architec… --- ## [Opening GUI applicationswith ssh](https://forums.balena.io/t/opening-gui-applicationswith-ssh/4691)
**Author:** [@jalim](https://forums.balena.io/u/jalim)\ **Replies:** 0\ **Last updated:** [December 12, 2018, 8:51pm UTC](https://forums.balena.io/t/opening-gui-applicationswith-ssh/4691 "2018-12-12T20:51:19Z")
I am curious if it is possible to open a GUI application through a Xserver running inside the container. I can ssh into the hostOS locally for development images, but I am not sure how I can implement this from the conta… --- ## ["Extends" functionality](https://forums.balena.io/t/extends-functionality/4437)
**Author:** [@tmigone](https://forums.balena.io/u/tmigone)\ **Replies:** 0\ **Last updated:** [November 16, 2018, 2:56pm UTC](https://forums.balena.io/t/extends-functionality/4437 "2018-11-16T14:56:56Z")
Hi, are there any plans on implementing docker-compose extends functionality? Is there any way of handling multiple yml files? I’m sitting at a huge config file and would love to be able to split it. --- ## [Running balena-engine in ram](https://forums.balena.io/t/running-balena-engine-in-ram/4408)
**Author:** [@lts-melvin](https://forums.balena.io/u/lts-melvin)\ **Replies:** 0\ **Last updated:** [November 13, 2018, 1:58pm UTC](https://forums.balena.io/t/running-balena-engine-in-ram/4408 "2018-11-13T13:58:22Z")
Hi, I want to run the balena engine in a buildroot system and I couldn’t get it to work. When I want run an container it complains about a pivot root. balena-engine: Error response from daemon: OCI runtime create faile… [Previous page](https://forums.balena.io/c/product-support/balena-engine/48.md?page=2)