I am not new to lxc or docker. But I do not have much knowledge on the image registry. So I decided to get started and followed up tutorials and installation instructions. And things are working fine in terms of pushing and pulling from my custom registry. My questions: The registry does not seem to […]
I pulled the image from public repo. The problem is when I attach and exit out of the container, it will reboot the host machine also. I’m not sure what is the problem here. Logs : [ when restart the container] [root@localhost ~]# docker restart 714fed06f99f 714fed06f99f [root@localhost ~]# Write failed: Broken pipe <-= DISCONNECTED […]
I have successfully created a docker swarm of 5 VMs on AWS using docker-machine. I stopped one VM using the command docker-machine stop aws01 and then I tried docker-machine start aws01 but Immediately I get an error Error checking TLS connection: Error checking and/or regenerating the certs: There was an error validating certificates for host […]
We have a big multi module maven project, wich uses cargo to start a tomcat with some wars, a plugin to insert sql data in a postgres database and then using cucumber we run the integration test suit. I was reading a lot about Docker, and I could play around with it. So here my […]
I found this docker tool that used runc natively. Containerd I have three Questions: How it Work (How it checkpoints the container)? How to use it for live migration? What it the functional call sequence that its implemented.
I’m trying to run a Dockerfile that had worked very well until few days ago: FROM python:2.7 ENV DEBIAN_FRONTEND noninteractive RUN apt-get update && apt-get install -y build-essential xorg libssl-dev libxrender-dev wget gdebi RUN wget http://download.gna.org/wkhtmltopdf/0.12/0.12.2.1/wkhtmltox-0.12.2.1_linux-jessie-amd64.deb RUN gdebi –n wkhtmltox-0.12.2.1_linux-jessie-amd64.deb EXPOSE 80 ADD . /code WORKDIR /code RUN pip install -r requirements.txt RUN [“sh”, “-c”, […]
I have loaded a new custom image into a remote RedHat 7 docker host instance. When running a new container, the container does not attempt to use the entire disk. I get the following is the output of a df -h on the container: rootfs 9.8G 9.3G 0 100% / /dev/mapper/docker-253:0-67515990-5700c262a29a5bb39d9747532360bf6a346853b0ab1ca6e5e988d7c8191c2573 9.8G 9.3G 0 100% […]
Every so often I have observed that docker images get deleted from the local repository without an explicit rmi command. Does docker perform a clean up on the images not being used by any of the containers?
I’m trying to build docker image with SuiteCRM using this Dockerfile: FROM php:5.4-apache RUN a2enmod rewrite RUN apt-get update \ && apt-get install -y apt-utils \ && apt-get install -y libpng12-dev libjpeg-dev mercurial zip nano \ && docker-php-ext-configure gd –with-jpeg-dir=/usr/lib \ && docker-php-ext-install gd \ && docker-php-ext-install mysqli \ && docker-php-ext-install pdo_mysql \ && apt-get […]