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docker/docker

Docker - the open-source application container engine. This chat is intended for contributors new to the Docker project or new to open source. For user help, please goto #docker on freenode. For advanced contributors please goto #docker-dev on freenode.

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Yosi

@yosiasz

@2872930558

Yosi

@yosiasz

@henryww_gitlab stop

huyphanvan

@huyphanvan

hi bros,
could it run GUI linux app on docker (ubuntu image)?

Yosi

@yosiasz

@huyphanvan yes

Ryan Berger

@ryan-berger

Hello all, I have quite an interesting issue with Docker Swarm, and I'm wondering if someone can help.

It seems as though my Docker Swarm service that I'm running is hitting my DNS server wayy too hard and causing timeouts/failures. Every once and a while, I get a

hostname resolving error (lookup <my-database-ip> on 127.0.0.11:53: read udp 127.0.0.1:35818->127.0.0.11:53: i/o timeout)

It seems to only happen on a single node, although it is intermittent and will sometimes cause other nodes problems. I'm not sure how to look further into this, and I'm wondering if anyone has had similar problems

Ryan Berger

@ryan-berger

Never mind! I figured my issue out. It was a bug with the docker version I was on

Agustin Jimenez

@agustinjimenez_gitlab

Hi guys! I need to improve my english skills and if you know any developer that needs some help with python, django, docker or linux please provide them my phone number! Maybe we can get some help together

+54 11 3368-9815

matrixbot

@matrixbot

Haley Just chat in here :)

neoisone

@neoisone

I am trying to install Notary Server in my env and need to understand a couple of point . ok If anyone has worked on the same kindly let me knwo. thanks

Brent Arias

@brentarias

Curious, is there such a thing as a multi-stage docker build which mixes base images from Linux and Windows? For example, stage 0 uses Alpine to build an exe and then stage 1 uses a Windows image that copies the exe from the Alpine stage 0. Is that possible?

TommyTds

@TommyTds

@brentarias I'm not sure whether it's possible to do it between Linux and Windows but typically You'd use a COPY --from and point to a file/directory You'd want to copy from and a dst one. Check this out https://docs.docker.com/develop/develop-images/multistage-build/#name-your-build-stages or this (with numbers rather than tags) https://docs.docker.com/develop/develop-images/multistage-build/#use-multi-stage-builds

Rony Lutsky

@ronlut

Hi all. I upgraded ubuntu to 20.10 (groovy). Any info on how to install docker engine? Should I just use ubuntu focal (20.04) apt repository instead of groovy?

Rony Lutsky

@ronlut

For future readers, sudo apt install docker.io is the way I went with. It installs docker engine version 19.03.11 at the moment.

onriv

@onriv

hello~

is is normal that a process in docker container start from a very small address?

Yosi

@yosiasz

@onriv what do you mean? and how is that related to the image you posted?

Sıddık AÇIL

@Akaame

I am guessing the addresses in his image are "small". How is that a problem? Those memory locations are virtual addresses so it is just normal.

Farhan

@ffarhan.aamin_gitlab

docker-compose with -d

deleted my persistent volume

is it normal ?

every time when I run a docker with -d , it deletes my volume (or atleast I can't see mysql created db) when I spin up mysql container

onriv

@onriv

@onriv what do you mean? and how is that related to the image you posted?

I'm sorry, it's unrelated to docker. I compiled a c++ program and included a wrong version of header files of a dependency. (at that time I though it maybe a docker related problem)

neoisone

@neoisone

can anyone forward me to any channel specific to docker content trust. Notary server!

I am doing a POC and facing issues

src/github.com/go-sql-driver/mysql/driver.go undefined: driver.connector

go version

go1.15 linux/amd64

any help is appreciated

my manager is killing me 🤪🤪🤪

I found that it was possible with go version higher than 1.10 and looking at the v 1.15 it should be supported right?

DoraRajappan

@DoraRajappan

@DoraRajappan
How can i i write files to disk from a springboot app docker image? Whats the best strategy to address this requirement?
the app has to upload and save images on disk and also display them on angular app and also the files should be downoloadedable from angular app

AmineAML

@AmineAML

Does anyone have this problem? after I updated to the latest version of Docker, I can't now connect to any of my containers' databases, like mongo always throws that auth failed. I searched but not found any solution that worked. Everything was working fine in the previous version

Yosi

@yosiasz

@DoraRajappan which disk? remote or local?

DoraRajappan

@DoraRajappan

Lical disk...

Local disk @yosiasz

Yosi

@yosiasz

Is docker running on some hypervisor server or locally on your laptop/desktop

DoraRajappan

@DoraRajappan

For now its running on my laptop... but it will be on some hypervidor server later..

sNinja

@sNinja17_twitter

Hi, where i can find good document with example for docker storage things ? which one is better , manage persistant storage by docker volume or by mount to seprate path instead it goes to /var/lib/docker/volumes ?

喵喵喵

@NiuziyuanPy

[graphdriver] prior storage driver overlay2 failed: driver not supported

help me

matrixbot

@matrixbot

Phase > <@gitter_niuziyuanpy:matrix.org> [graphdriver] prior storage driver overlay2 failed: driver not supported

If I remember correctly, I got this after an upgrade of docker. Luckily, thx to the upgrade, they were no container needed on the machine. Thus, I moved the content of /var/lib/docker to somewhere else. A reboot of the docker daemon later, the daemon started correctly. Be careful, it had lost all its images.

喵喵喵

@NiuziyuanPy

@matrixbot I don't understand

matrixbot

@matrixbot

Haley The filesystem format is not the same (the way the files/layers are saved under /var/lib/docker.).

Haley Only way to cope with that, is:

Haley 1. Before the upgrade of the OS/Docker version, save all layers/images you need as tar files using the save command.

Haley 2. upgrade the OS, but remove docker

Haley 3. delete /var/lib/docker

Haley 4. install docker again (new version). make sure it runs.