admin 发表于 2018-6-21 15:55:21

配置centos7解决 docker Failed to get D-Bus connection 报错

在创建docker时添加些参数：
   # docker run --privileged -tidocker.io/centos:7 /usr/sbin/init &

Unable to find image 'centos:7' locally
7: Pulling from library/centos
7dc0dca2b151: Pull complete
Digest: sha256:b67d21dfe609ddacf404589e04631d90a342921e81c40aeaf3391f6717fa5322
Status: Downloaded newer image for centos:7



# docker run --privileged -it centos /usr/sbin/init
Unable to find image 'centos:latest' locally
latest: Pulling from library/centos
7dc0dca2b151: Pull complete
Digest: sha256:b67d21dfe609ddacf404589e04631d90a342921e81c40aeaf3391f6717fa5322
Status: Downloaded newer image for centos:latest

进入到docker容器中，安装httpd软件，并启动httpd服务。
# docker exec -it dcb5c79348a0 /bin/bash

# systemctl start httpd
# systemctl status httpd.service
● httpd.service - The Apache HTTP Server
   Loaded: loaded (/usr/lib/systemd/system/httpd.service; disabled; vendor preset: disabled)
   Active: active (running) since Thu 2018-06-21 07:38:03 UTC; 11s ago
   Docs: man:httpd(8)
         man:apachectl(8)
Main PID: 199 (httpd)
   Status: "Total requests: 0; Current requests/sec: 0; Current traffic:   0 B/sec"
   CGroup: /docker/dcb5c79348a0ba92f0ccf225e2f9c42810b6f8ad7884400a968c767ae5569694/system.slice/httpd.service
         ├─199 /usr/sbin/httpd -DFOREGROUND
         ├─200 /usr/sbin/httpd -DFOREGROUND
         ├─201 /usr/sbin/httpd -DFOREGROUND
         ├─202 /usr/sbin/httpd -DFOREGROUND
         ├─203 /usr/sbin/httpd -DFOREGROUND
         └─204 /usr/sbin/httpd -DFOREGROUND
         ‣ 199 /usr/sbin/httpd -DFOREGROUND

Jun 21 07:38:03 dcb5c79348a0 systemd: Starting The Apache HTTP Server...
Jun 21 07:38:03 dcb5c79348a0 httpd: AH00558: httpd: Could not reliably ...e
Jun 21 07:38:03 dcb5c79348a0 systemd: Started The Apache HTTP Server.
Hint: Some lines were ellipsized, use -l to show in full.

admin 发表于 2018-6-21 16:05:33

docker run-it centos /usr/sbin/init &

Status: Downloaded newer image for centos:latest
Failed to mount tmpfs at /run: Operation not permitted
[!!!!!!] Failed to mount API filesystems, freezing.


# docker exec -it 50b2bbf20091 /bin/bash
# yum install -y httpd

# systemctl start httpd.service
Failed to get D-Bus connection: Operation not permitted


docker run --privileged -it centos /usr/sbin/init&    #这样的方式建立的docker即可

admin 发表于 2018-6-21 16:10:09

# docker ps -a
CONTAINER ID      IMAGE               COMMAND             CREATED             STATUS            PORTS               NAMES
50b2bbf20091      centos            "/usr/sbin/init"    4 minutes ago       Up 4 minutes                            distracted_bhabha
# docker stop 50b2bbf20091
50b2bbf20091
# docker rm 50b2bbf20091
50b2bbf20091
# docker images
REPOSITORY          TAG               IMAGE ID            CREATED             SIZE
centos            latest            49f7960eb7e4      2 weeks ago         200MB


# docker rmi 49f7960eb7e4
Untagged: centos:latest
Untagged: centos@sha256:b67d21dfe609ddacf404589e04631d90a342921e81c40aeaf3391f6717fa5322
Deleted: sha256:49f7960eb7e4cb46f1a02c1f8174c6fac07ebf1eb6d8deffbcb5c695f1c9edd5
Deleted: sha256:bcc97fbfc9e1a709f0eb78c1da59caeb65f43dc32cd5deeb12b8c1784e5b8237

admin 发表于 2018-6-21 16:10:34

# docker images
REPOSITORY          TAG               IMAGE ID            CREATED             SIZE
# docker ps -a
CONTAINER ID      IMAGE               COMMAND             CREATED             STATUS            PORTS               NAMES
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