Recent questions tagged docker

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docker - How to implement Kubernetes POD to POD Communication?

This question has been asked and answered before on stackoverflow but because I'm new to K8, I don't understand the answer. Assuming I have two ... of the POD to communicate with? Thanks Siegfried See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - "Unable to locate package git" when running GitLab CI/CD pipeline

I am trying to set up a GitLab CI/CD pipeline with this following .gitlab-ci.yml file: stages: - test image: "ros:foxy-ros-base-focal" before_script ... variables 00:01 ERROR: Job failed: exit code 1 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - composer could not load package Invalid version string

I faced with range case, when I was try to install some bundle in locally I faced with erro, but when I try install the same bundle in test server ... 't should be appear when using docker structure.. ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Bind container port to host inside Dockerfile

Normally when binding port, I would do docker run -p hostport:dockerport ..., but can I specify the port binding inside my Dockerfile ? I'm ... two places (in docker run command and in Dockerfile) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Do java flags Xms and Xmx overwrite flag XX:+UseCGroupMemoryLimitForHeap?

I'm running a containerized java application in Kubernetes. In order to make the jvm reserve memory according to the container specifications, the flags -XX: ... , how much memory would the JVM reserve? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - sudo: command not found | gitlab-ci

I'm using gitlab-ci for my simple project. And everything is ok my runner is working on my local machine(ubuntu18-04) and I tested it with simple .gitlab- ... : sudo: command not found How can I use sudo? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - A fatal error was encountered. The library 'libhostpolicy.so' required

I am running dotnet core 2.0 console project. Ran into the following error when trying to run it from Docker. A fatal error was encountered. The ... execute the application was not found in '/app'. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker exec or docker container exec

I noticed in the latest Docker CLI documentation that Docker CLI command list has expanded. If I used docker exec earlier to start executable inside ... description and syntax are very similar. Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - GitLab CI: iOS project issue (permission denied)

Trying GitLab CI for my iOS project, I follow this, this and this tutorial. Two questions: What is wrong with my gitlab-runner (with "shell" registration) ... am more than desperate for this to work)... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker error: x509: certificate signed by unknown authority

while running docker commands, I keep getting such error: $ sudo docker search mattdm/fedora 2014/06/05 22:12:25 Error: Get https://index.docker.io/v1/ ... 1 root root 829 Apr 8 08:36 renew-dummy-cert See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Access to container by his hostname from host-machine

I have some docker containers which united single dockers overlay network. Under this network every containers access by hostname (of container). But I ... docker container hostname from my real machine? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - The Name of Hyperledger Fabric Test Network is not detected by an Application given in the fabric samples

I just reinstalled Fabric Samples v2.2.0 from Hyperledger Fabric repository according to the documentation. But when I try to run asset-transfer-basic ... occurring when I try to run the application? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Why is crond failing to run a non-root crontab on alpine linux?

I am having a nasty time running a non-root crontab file on Alpine Linux. I've been through two other cron related posts and I don't have ... Does anyone have any further suggestions to help debug this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - How to run dockered ASP.net core app generated by Visual Studio 2019 on Linux? Problem with SSL configuration

I've created new ASP.net Core 2.1 project in Visual Studio 2019. I've choosed to generate Docker linux container and docker-compose file. Everything's ... :BIO routines:BIO_new_file:no such file [...] See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Getting the name of the container from within the container

I would like to get the docker container name from within a container. I need this information because I am running a script from the Dockerfile as ... get the container name from inside the container? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Kubernetes - Jenkins slaves are offline

I am trying to run jenkins with kubernetes. I am able to make a successful connection to kubernetes using jenkins kubernetes plugin. Now, I am running a ... spawning. Any idea why it stays offline? TIA. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Communication from Pod to Pod on same node inside kubernetes in GCP

I have dockerized and created deployment and service for both front(REACT) and backend (EXPRESS NODE JS) project in kubernetes. I have successfully deployed in ... How to achieve this? Thanks in Advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Why a service configured with only `expose` is able to communicate with internet?

Something confuse me about docker networking. I've a docker-compose.yml file which can be simplified like this: version: '3.8' services: foo: ... ... ports aren't Exposed/Opened in order to receive it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - git error: RPC failed; curl 56 GnuTLS recv error (-54): Error in the pull function

I tried git submodule update --init --recursive and got following error error: RPC failed; curl 56 GnuTLS recv error (-54): Error in the pull ... docker for windows. Docker images is ubuntu:16.04 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - OCI runtime create failed: container_linux.go:348: starting container process caused "exec: "-it": executable file not found in $PATH":unknown

I am not able to run the container from the image in docker for windows version 18.03.1-ce. I am trying to run the command: docker run ubuntu -it /bin ... /bin/bash. I don't know why this is happening. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Why can't I use the build arg again after FROM in a Dockerfile?

I'm using Docker 18.05.0~ce~3-0~ubuntu and I'd like to pass a build argument to the FROM as well as other lines in my Dockerfile. You ... line? I fail to find any documented restriction of this sort. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Azure Web App on Linux: "Error: Container didn't respond to HTTP pings on port: 8080" - when using: "start": "pm2 start server.js"

My App Service Linux instance crashes if my node app is using the start script: "start": "pm2 start server.js": 2019-04-15 11:36:34.432 ... inspect it. I would really appreciate any suggestion, Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.5k views

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docker - Routing paths with Traefik

Currently I'm trying set up a loadbalancer/reverse proxy with Traefik for some docker containers. I'm having trouble with configuring Treafik to make my apps ... 4:9000, code: 400, duration: 1.780341ms" See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - "Remove" a VOLUME in a Dockerfile

I have a Dockerfile extending FROM an image that declares a VOLUME. Is there a way to overwrite the VOLUME directive in such a way, that it "removes" the VOLUME? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.7k views

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docker - Multicast traffic to Kubernetes

I want my pods to receive multicast network traffic flowing from outside of my kubernetes cluster to specific ports in my nodes. I'm considering ... the problem of multicasting to a kubernetes cluster. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.4k views

1 answer

docker - Kubernetes api server is not starting on a single kubeadm cluster

I'm trying to set up a bare-metal k8s cluster. When creating the cluster, using flannel plugin (sudo kubeadm init --pod-network-cidr=10.244.0.0 ... to continue to debug this, Assistance would be helpful. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - multiple volumes to single target directory?

Is there a way to mount multiple volumes from a host to form a single target mount point? A bit like this: docker run --name ubuntu_bash --rm -- ... don't give sufficient instructions on how to use them. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.4k views

1 answer

docker - ElasticSearch health check failed every time when spring boot start up

I am working with Elastic Search 5.5.0 on Spring boot 1.5.8.RELEASE using the Java Transport Client library. The Elastic Search was deployed ... AdapterActionFuture.java:69) ... 47 common frames omitted See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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