and mysql container losing all data after stopping services

I have a fig setup that is so inconsistent that is driving me nuts. At random times between stopping services and restarting it loses the mysql data that was created. I tried with data only containers and linking them with volumes_from and even setting the volumes directive. Last night my computer froze and I had […]

Graylog 2.2.0-beta.1 in Docker with UDP input: Unable to load default stream

I’m trying to use graylog2 to collect logs from docker containers. Docs says that only UDP GELF input is supported for this purpose. I’m using docker-compose to run the graylog server. See gist for all files used: And I’m using this command to test it: sendip -p ipv4 -is -p udp -us 5070 […]

How to deploy multi-tier application using Docker?

Is there a way to deploy a multi-tier application using Docker? Does it have VMware vApp equivalent?

how to change MTU inside docker container on ubuntu 14.4

I want to change MTU(Maximum Transmission Unit) inside docker which is running on ubuntu 14.04. Also docker container running with ubuntu 14.04. The problem is that its docker0 interface on host os can change the MTU value from 1500 to 9000 but its doesn’t gives affects inside docker os. means inside docker it is running […]

how to create a vagrant box which is not already in the list

I understood vagrant as the virtual box definition language(correct me , if I am wrong) My initial query is I want to create vagrant box for cent os 7 which is not already on the list How can I do that ? Can I run a vagrant box created in virtual box as […]

How to reboot kubernetes pod and keep the data

I’m now using kubernetes to run the Docker container.I just create the container and i use SSH connect to my pods. I need to do some system config change so i need to reboot the container but when i`reboot the container it will lose all the data in the pod. kubernetes will run a new […]

Application running within a docker container is not accessible?

I have create a docker image with all the setup to run my Django application . Step 1: docker images REPOSITORY TAG IMAGE ID CREATED SIZE sidhartha03/django latest c4ba9ec8e613 About an hour ago 704 MB Step 2: docker run -i -t c4ba9ec8e613 /bin/bash Step 3: root@257f4e73ffa0:/# cd /home Step 4:Activate the virtual env root@257f4e73ffa0:/home# source […]

Docker integration in OpenShift

I came to know about Docker concept which seems very interesting. I have installed Docker on my windows machine using boot2docker, which works as expected. I have seen many blogs which talks about docker support in OpenShift, wanted to know how well it supports and what are the ways this can be integrated in OpenShift […]

Unable to Launch Node.js Application Inside Built Docker Container

I’ve built a docker container (node.js installed along with some project files) with the following Dockerfile: RUN yum install -y openssl wget unzip gcc gcc-c++ tar make automake git RUN curl -L | bash [… Chef Related Stuff …] #Docker CMD WORKDIR /var/node CMD [“/usr/bin/node /var/node/lib/app.js”] The container it builds is designed to use […]

docker how do I know if an update was pulled from repository

I got a docker repository that I work on and a bot that constantly pulls it from the repo to keep everything in sync but I need a way to find out if, when I pull, an update was downloaded so I can restart the daemon. Is there a way with the registry itself or […]

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