containers

问题 I am creating an image in the docker to the mysql install mode, but it is giving error to start mysql. My Dockerfile The error occurs when processing and line 25 of Dockerfile: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111) I found that the error occurs because mysql is not running. The docker print below to rotate the line 22: bin boot dev etc home lib lib64 media mnt opt proc root run sbin scripts srv sys tmp usr var MySQL is stopped. Stack trace

问题 I wanted to make a Dockerfile with multiple images to run in one container. What is the best method to go about this? Below is a list of what I wanted to run in a single container. I have not have any luck with making a Dockerfile with all of these included. MySQL Server RabbitMQ Java8 Node.js Xvfb Firefox Chrome This is what I have so far, can I get a few tips FROM stackbrew/ubuntu:12.04 MAINTAINER # Update the repository sources list #RUN apt-get update # My SQL Server ############### RUN

问题 If i want my docker image to directly take data from a folder which is present in my system, is that possible. If yes then how can I do it. Thanks. 回答1: The usual practice is to use docker volume ( bind mount ) at runtime. docker run -d \ -it \ --name devtest \ --mount type=bind,source="$(pwd)"/target,target=/app \ nginx:latest That way, your container, inside /app , has access to your host path (here $pwd/target ) In a docker-compose file, see docker compose volume syntax: This example shows

问题 Closed . This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 8 months ago . Unquestionably, I would choose to use the STL for most C++ programming projects. The question was presented to me recently however, "Are there any cases where you wouldn't use the STL?"... The more I thought about it, the more I realized that perhaps there SHOULD be cases

问题 I try to get docker container details on my java code and successfully can get it. But I need to get the CPU & memory usage of Docker container. In the terminal itself, we can check the status with docker stats . But my question is how to get the stats of Docker container in java code? 回答1: Docker CLI to make calls to Docker API. Also you can use a Java API client availible on GitHub. 回答2: A bit late for answering but it may help somebody. Considering you are running Docker engine on your

问题 Sorry if the answer to this is obvious - its not to me and I can't seem to find a straight forward answer by searching. I've created a Container View Controller which as default comes with a child. I want to add a second (and third) child in the storyboard but I can see how to link up a new View Controller with the Container View Controller. Can anyone advise? Many thanks 回答1: Yup, it's one of those bizarre things about iOS ... it's like the most normal, common thing you need to do -------

问题 I want to be able to create a function where I specify a parameter to have both a templated container and a templated element type for that container. Is this possible? I get "error C2988: unrecongnizable template declaration/definition" among others. Here is the function in question. template<class Iter, class Elem> void readIntoP(Iter<Elem> aCont){ ifstream ifss("data.dat"); string aString; int counter = 0; item tempItem; while(ifss >> aString){ istringstream iss(aString); if(counter == 0){

问题 I have Linux on EC2 and trying to install Docker. How to resolve issue with 'container-selinux' and 'selinux-policy'? lsb_release -d Description: Red Hat Enterprise Linux Server release 6.9 (Santiago) sudo rpm -i container-selinux-2.9-4.el7.noarch.rpm warning: container-selinux-2.9-4.el7.noarch.rpm: Header V3 RSA/SHA256 Signature, key ID f4a80eb5: NOKEY error: Failed dependencies: selinux-policy >= 3.13.1-39 is needed by container-selinux-2:2.9-4.el7.noarch selinux-policy-base >= 3.13.1-39 is

问题 I want to be able to read the contents of the file ~/.ssh/id_rsa and pass the same to my build stage of the image. When I use the command docker build --build-arg SSH_PRIVATE_KEY="$(cat ~/.ssh/id_rsa)" and then I try to echo that inside the container during a build, I get empty. RUN echo "$SSH_PRIVATE_KEY" > /priv_key \ && cat /priv_key the result is Step 6/14 : RUN echo "$SSH_PRIVATE_KEY" > /priv_key && cat /priv_key ---> Running in c8d6e3c88cd8 Removing intermediate container c8d6e3c88cd8

问题 I want to keep a docker container running even after executing the run command (containers exit immediately after docker run.. . I know the command: while :;do sleep 300 done during docker run will make it run but how do I edit the Dockerfile itself in order to keep it running? 回答1: You can do this by putting the commands you want to execute into a script, and setting the script to be the command Docker runs when it starts a container: FROM sixeyed/ubuntu-with-utils RUN echo 'ping localhost &