Error Starting Docker Daemon on CentOS 7
Edgaras Karka asked: I have CentOS 7.x machine, and I’ve installed Docker following this article. After the installation I tried to start Docker by: systemctl start docker but got this …
Understanding docker resource limitations
elp asked: I got the following ressource limits in my docker engine: 4 CPUs 4096 MB Memory 2048 MB Swap 64 GB Disk size The docker container are running with …
Issue insulating docker containers
Ricardo Mendes asked: I have a question, I have the following iptables config: [[email protected] ~]# iptables -L INPUT –line-numbers -n Chain INPUT (policy DROP) num target prot opt source destination …
Docker compose doesn't reuse the intended anonymous host volumes on container recreation
CK LZEM7 asked: I have an Ansible container and when I have developed a docker-compose file create the container. version: ‘2’ services: ansible_tower: image: ybalt/ansible-tower:latest ports: – “333:443” volumes: – …
What is the use of the lost+found directory?
fusedflyn231 asked: I would like to use digitalocean’s block storage decive as a dedicated file system to manage Docker containers. The plan is to have this file system mounted at …
Mount a SSHFS volume into a Docker instance
Ralph asked: I use SSHFS to mount a remote filesystem on my host and I want to be able to access it from inside a Docker container. I mount the …
Why isn't firewalld filtering the services running in my Docker containers?
horse hair asked: My services were filtered correctly after migrating from iptables to firewalld and updating the rules with firewall-cmd. Then I moved all services to containers using Docker, and …
Issues with WordPress container configured for external database host
A br asked: I am trying to run the WordPress container, configured to use an external MySQL database server like so: docker run –name wordpress1 -p 801:80 -e WORDPRESS_DB_HOST=MYDBSERVERIPADDRESS:3306 -e …
Docker – PHP 7.2 FPM Alpine – Imagick
CappY asked: I’m using Docker image php:7.2-fpm-alpine as base image with following command to install Imagick: RUN apk add –update –no-cache autoconf g++ imagemagick-dev libtool make pcre-dev \ && pecl …
What are the advantages of putting a user into the `docker` group instead of granting her `sudo` access to the host?
Sylvain Leroux asked: Is there any real advantage in putting a user into the docker group rather than granting her sudo access to the host? For the long story, I’m …