はじめに
docker pullした際、以下のような TLS handshake timeout が発生
# docker pull koda/docker-knowledge
Using default tag: latest
Trying to pull repository docker.io/koda/docker-knowledge ...
latest: Pulling from docker.io/koda/docker-knowledge
55cbf04beb70: Pulling fs layer
1607093a898c: Pulling fs layer
9a8ea045c926: Pulling fs layer
1290813abd9d: Waiting
8a6b982ad6d7: Waiting
abb029e68402: Waiting
8cd067dc06dc: Waiting
1b9ce2097b98: Waiting
d6db5874b692: Waiting
25b4aa3d52c5: Waiting
53ec227dabf0: Waiting
242938ace8b4: Waiting
85bc5aaf4ec5: Waiting
fd5b749ebe99: Waiting
6636846685ec: Waiting
error pulling image configuration: Get https://production.cloudflare.docker.com/registry-v2/docker/registry/v2/blobs/sha256/9a/9ae2dde61ad6947df46e2cc416be9249f314d187feb717f6e18c0dc9a46bf5bf/data?verify=1538549397-3vZspNti03KIKxRXPmQsQeUbucI%3D: net/http: TLS handshake timeout
#
解決方法
docker login
# docker login
Login with your Docker ID to push and pull images from Docker Hub. If you don't have a Docker ID, head over to https://hub.docker.com to create one.
Username:
Password:
Login Succeeded
#一度ログインすると、その後取得が可能になる
# docker pull koda/docker-knowledge
Using default tag: latest
Trying to pull repository docker.io/koda/docker-knowledge ...
latest: Pulling from docker.io/koda/docker-knowledge
55cbf04beb70: Pull complete
1607093a898c: Pull complete
9a8ea045c926: Pull complete
1290813abd9d: Pull complete
8a6b982ad6d7: Pull complete
abb029e68402: Pull complete
8cd067dc06dc: Extracting 7.242 MB/122.1 MB
1b9ce2097b98: Download complete
d6db5874b692: Download complete
25b4aa3d52c5: Download complete
53ec227dabf0: Download complete
242938ace8b4: Download complete
85bc5aaf4ec5: Download complete
fd5b749ebe99: Download complete
6636846685ec: Download complete