〜によって
docker run --hostname=quickstart.cloudera --privileged=true -t -i -d --name quickstart0 -v /scratch/quickstart.cloudera/data:/data --publish-all=true -p 8888:8888 -p 7180:7180 cloudera/quickstart /usr/bin/docker-quickstart
問題なく8.8.8.8にpingを送信できますが:
[root@quickstart /]# ping www.google.com
ping: unknown host www.google.com
構成ファイルの解析
# This file is managed by man:systemd-resolved(8). Do not edit.
#
# This is a dynamic resolv.conf file for connecting local clients directly to
# all known uplink DNS servers. This file lists all configured search domains.
#
# Third party programs must not access this file directly, but only through the
# symlink at /etc/resolv.conf. To manage man:resolv.conf(5) in a different way,
# replace this symlink by a static file or a different symlink.
#
# See man:systemd-resolved.service(8) for details about the supported modes of
# operation for /etc/resolv.conf.
nameserver 75.75.75.75
nameserver 75.75.76.76
# Too many DNS servers configured, the following entries may be ignored.
search XXXXX.comcast.net
- 8.8.8.8/8.8.4.4を交換してみましたが、成功しませんでした。
- コンテナ外のpingは正常に動作します。
Client: Docker Engine - Community
Version: 19.03.8
API version: 1.39 (downgraded from 1.40)
Go version: go1.12.17
Git commit: afacb8b
Built: Wed Mar 11 01:27:04 2020
OS/Arch: linux/amd64
Experimental: false
Server: Docker Engine - Community
Engine:
Version: 18.09.1
API version: 1.39 (minimum version 1.12)
Go version: go1.10.6
Git commit: 4c52b90
Built: Wed Jan 9 19:06:30 2019
OS/Arch: linux/amd64
Experimental: false
答え1
~によるとこれ現在、以下以外にはエレガントなソリューションはありません。
sudo systemctl disable firewalld