Docker Server Operations

Internal

• Docker Concepts - Server
• Docker Operations

Relevance

• Docker 17.03.1-ce

Enable at Boot

systemd

systemctl enable docker
systemctl start docker

Start

systemd

systemctl start docker

A docker server running as root:

root       665     1  0 16:00 ?        00:00:02 /usr/bin/dockerd
root       749   665  0 16:00 ?        00:00:01 docker-containerd -l unix:///var/run/docker/libcontainerd/docker-containerd.sock --metrics-interval=0 --start-timeout 2m --state-dir /var/run/docker/libcontainerd/containerd --shim docker-containerd-shim --runtime docker-runc

init.d

As root:

system docker start

Procedures

• Provision Docker Storage on a Dedicated Block Device
• Docker Server Re-Initialization
• Docker Server Log Management
• Secure Docker Daemon

Subjects

• Docker Server Runtime

Monitoring

lvs reports the percentage of external storage used.

Accumulation Points

The Local Registry

Stores images in the "container-thinpool" logical volume, statistics available with:

lvs

Local images can be inspected with

docker images

/var/lib/docker/containers

Each running or stopped container has a corresponding directory there.

• The local docker registry:

As root:

docker images

• Containers:

/var/lib/docker/containers