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| {{WIP box}} | | {{WIP box}} |
| Placeholder for anything to do with Docker (https://docker.com) | | Placeholder for anything to do with Docker (https://docker.com) |
− | {{Note box| All info is based on SME Server 9 only. | + | {{Note box| All info is based on SME Server 9 only but I have just started to test on v10 - see notes below |
| Your host server must have internet access. | | Your host server must have internet access. |
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| If you don't use host networking, you use the internal IP address set with docker, but this address is unknown as a local network to SME and it will block any queries emanating from the container. I am looking at this with the contrib. | | If you don't use host networking, you use the internal IP address set with docker, but this address is unknown as a local network to SME and it will block any queries emanating from the container. I am looking at this with the contrib. |
| + | |
| + | ==Koozai SME v10== |
| + | |
| + | Some basic scratchpad notes as I go |
| + | |
| + | https://docs.docker.com/engine/install/centos/ |
| + | |
| + | Don't use the extras repo to install |
| + | |
| + | https://download.docker.com/linux/centos/docker-ce.repo |
| + | |
| + | ===Repo setup=== |
| + | |
| + | db yum_repositories set docker-ce-stable repository \ |
| + | BaseURL 'https://download.docker.com/linux/centos/7/$basearch/stable' \ |
| + | EnableGroups no \ |
| + | GPGCheck yes \ |
| + | GPGKey https://download.docker.com/linux/centos/gpg \ |
| + | Name 'Docker Stable' \ |
| + | Visible yes \ |
| + | status disabled |
| + | |
| + | signal-event yum-modify |
| + | |
| + | yum install docker-ce docker-ce-cli containerd.io |
| + | |
| + | ===Files to modify?=== |
| + | |
| + | systemd unit file |
| + | |
| + | [Unit] |
| + | Description=Docker Application Container Engine |
| + | Documentation=https://docs.docker.com |
| + | BindsTo=containerd.service |
| + | After=network-online.target firewalld.service containerd.service |
| + | Wants=network-online.target |
| + | Requires=docker.socket |
| + | |
| + | [Service] |
| + | Type=notify |
| + | # the default is not to use systemd for cgroups because the delegate issues still |
| + | # exists and systemd currently does not support the cgroup feature set required |
| + | # for containers run by docker |
| + | ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock -g /home/e-smith/files/docker |
| + | ExecReload=/bin/kill -s HUP $MAINPID |
| + | TimeoutSec=0 |
| + | RestartSec=2 |
| + | Restart=always |
| + | |
| + | # Note that StartLimit* options were moved from "Service" to "Unit" in systemd 229. |
| + | # Both the old, and new location are accepted by systemd 229 and up, so using the old location |
| + | # to make them work for either version of systemd. |
| + | StartLimitBurst=3 |
| + | |
| + | # Note that StartLimitInterval was renamed to StartLimitIntervalSec in systemd 230. |
| + | # Both the old, and new name are accepted by systemd 230 and up, so using the old name to make |
| + | # this option work for either version of systemd. |
| + | StartLimitInterval=60s |
| + | |
| + | # Having non-zero Limit*s causes performance problems due to accounting overhead |
| + | # in the kernel. We recommend using cgroups to do container-local accounting. |
| + | LimitNOFILE=infinity |
| + | LimitNPROC=infinity |
| + | LimitCORE=infinity |
| + | |
| + | # Comment TasksMax if your systemd version does not support it. |
| + | # Only systemd 226 and above support this option. |
| + | TasksMax=infinity |
| + | |
| + | # set delegate yes so that systemd does not reset the cgroups of docker containers |
| + | Delegate=yes |
| + | |
| + | # kill only the docker process, not all processes in the cgroup |
| + | KillMode=process |
| + | |
| + | [Install] |
| + | WantedBy=multi-user.target |
| + | |
| | | |
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