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On one hand you can do so much quite easily and its maintainable. Honestly, this is my biggest love/hate with Ansilbe. Switching the playbook to python 3+ broke the package / yum module and suggested dnf module also did not work on Centos 7. this of course does not work with python 2.7. □īut thats mostly because I have tried to use git module to get the latest version number of docker-compose. So this was kind of shortcut ? I spend more time making sure this playbook works that it would take to do it manually. I had to update couple of Centos 7 servers that run old ( very very old ) docker. Than try to start your old containers and get: Error response from daemon: Unknown runtime specified docker-runc Why ? Usually this happens when you had old docker installed and upgraded to latest docker-ce version. I have also implemented fix that solve different runtime on containers if old docker was used. iPXE Boot Win/Linux iPXE Boot Win/Linux.Centos 7 docker Centos 7 docker Table of contents.Random Ansible Stuff Random Ansible Stuff.Random Docker Stuff Random Docker Stuff.K3s Cluster chassis K3s Cluster chassis.The unprivileged user will spawn the containers as root likewise. We drop permissions for every exposed application and will not run an exposed service as root! Controlling the Docker daemon as non-root user does not give you additional security.
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It might be necessary to change ownership and other attributes of files you will otherwise not have access to. The update.sh script must therefore also be run as root. We will modify attributes - if necessary - while bootstrapping the containers automatically and make sure everything is secured. Please clone the repository as root user and also control the stack as root. Install mailcow ¶Ĭlone the master branch of the repository, make sure your umask equals 0022. If you are interested in how this works, you can check out the readme of which links to a lot of useful information on that topic. This step is required to make sure mailcows volumes are properly labeled as declared in the compose file. Restart the docker daemon and verify SELinux is now enabled. Users without an IPv6 enabled network on their host system
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