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

admin

在创建docker时添加些参数：
; ^6 D, H1 x: n; n% ~/ ^   # docker run --privileged -ti  docker.io/centos:7 /usr/sbin/init &

0 ^3 l  r# A6 a+ ]6 W2 e2 `Unable to find image 'centos:7' locally
7: Pulling from library/centos
9 r8 {4 o+ G7 g, C1 g- Z( d4 ^7dc0dca2b151: Pull complete
Digest: sha256:b67d21dfe609ddacf404589e04631d90a342921e81c40aeaf3391f6717fa5322
Status: Downloaded newer image for centos:7

0 z( U$ q7 H; F4 s# Q4 s

# docker run --privileged -it centos /usr/sbin/init
Unable to find image 'centos:latest' locally
) t) A5 H$ C$ w, w, }! xlatest: 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
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[root@dcb5c79348a0 /]# systemctl start httpd
! E! _2 M- T, Y7 @[root@dcb5c79348a0 /]# systemctl status httpd.service
● httpd.service - The Apache HTTP Server
   Loaded: loaded (/usr/lib/systemd/system/httpd.service; disabled; vendor preset: disabled)
) J' D/ b- e. g0 v   Active: active (running) since Thu 2018-06-21 07:38:03 UTC; 11s ago
' j: K2 L% B7 G/ ]* q" g3 X( b     Docs: man:httpd(8)
           man:apachectl(8)
' m# W( R, B$ ?# d! o Main PID: 199 (httpd)
1 {8 [9 B: n( }$ l   Status: "Total requests: 0; Current requests/sec: 0; Current traffic:   0 B/sec"
: j4 J/ n7 \% @. v   CGroup: /docker/dcb5c79348a0ba92f0ccf225e2f9c42810b6f8ad7884400a968c767ae5569694/system.slice/httpd.service
) A9 G" z; U. t& {( x7 a% z2 M+ F           ├─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
0 n% L& k& N, I6 ]" J5 V           ‣ 199 /usr/sbin/httpd -DFOREGROUND
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) h  i& Y& u1 F& F" pJun 21 07:38:03 dcb5c79348a0 systemd[1]: Starting The Apache HTTP Server...
Jun 21 07:38:03 dcb5c79348a0 httpd[199]: AH00558: httpd: Could not reliably ...e
Jun 21 07:38:03 dcb5c79348a0 systemd[1]: Started The Apache HTTP Server.
Hint: Some lines were ellipsized, use -l to show in full.

admin

docker run  -it centos /usr/sbin/init &
0 ]. j# [, Y- P9 o" Q
Status: Downloaded newer image for centos:latest
Failed to mount tmpfs at /run: Operation not permitted
[!!!!!!] Failed to mount API filesystems, freezing.
- T. `) S8 C$ @. }

5 J& M) W4 B$ x' p+ K) G[root@dockerserver ~]# docker exec -it 50b2bbf20091 /bin/bash
[root@50b2bbf20091 /]# yum install -y httpd

, Y  t0 R2 I9 D0 `  ~" p[root@50b2bbf20091 /]# systemctl start httpd.service
Failed to get D-Bus connection: Operation not permitted
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docker run --privileged -it centos /usr/sbin/init  &    #这样的方式建立的docker即可
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admin

[root@dockerserver ~]# docker ps -a
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES
  k8 p$ D+ H) ^# o0 ^6 T* o/ P0 [50b2bbf20091        centos              "/usr/sbin/init"    4 minutes ago       Up 4 minutes                            distracted_bhabha
$ M+ `2 u7 G7 W[root@dockerserver ~]# docker stop 50b2bbf20091
50b2bbf20091
[root@dockerserver ~]# docker rm 50b2bbf20091
; L6 V" m' Y! j! @* j1 O50b2bbf20091
+ a& N+ g2 W! j( v+ j7 O9 d% X+ e[root@dockerserver ~]# docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
. ^2 j" Z: I7 b3 l# t* ]centos              latest              49f7960eb7e4        2 weeks ago         200MB

; }( ~  i" N* M& F$ y
% v& ^, P: D4 {5 }; x[root@dockerserver ~]# docker rmi 49f7960eb7e4
" i0 Y+ m- h" s+ IUntagged: centos:latest
Untagged: centos@sha256:b67d21dfe609ddacf404589e04631d90a342921e81c40aeaf3391f6717fa5322
Deleted: sha256:49f7960eb7e4cb46f1a02c1f8174c6fac07ebf1eb6d8deffbcb5c695f1c9edd5
7 V. G% K, G  s) w+ EDeleted: sha256:bcc97fbfc9e1a709f0eb78c1da59caeb65f43dc32cd5deeb12b8c1784e5b8237

admin

[root@dockerserver ~]# docker images
& U$ v* n1 Z) q6 F7 f! ~, IREPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
[root@dockerserver ~]# docker ps -a
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES