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：
   # docker run --privileged -ti  docker.io/centos:7 /usr/sbin/init &
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Unable to find image 'centos:7' locally
) F; H' b% a& [; e7: Pulling from library/centos
% `  D8 D: m2 g" k# c/ a0 o4 k7dc0dca2b151: Pull complete
Digest: sha256:b67d21dfe609ddacf404589e04631d90a342921e81c40aeaf3391f6717fa5322
8 h5 ]5 e* [6 C, r  J' mStatus: Downloaded newer image for centos:7



. e0 S" `& }$ B! b; _1 P. F# docker run --privileged -it centos /usr/sbin/init
. T" @( a( q% [/ e+ L3 BUnable to find image 'centos:latest' locally
latest: Pulling from library/centos
0 h8 ~, z( a, j! {+ y/ h7dc0dca2b151: Pull complete
Digest: sha256:b67d21dfe609ddacf404589e04631d90a342921e81c40aeaf3391f6717fa5322
Status: Downloaded newer image for centos:latest

% u1 E" n; m9 Z3 c; [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
[root@dcb5c79348a0 /]# systemctl status httpd.service
8 W+ V6 [: f5 L+ S5 T● httpd.service - The Apache HTTP Server
3 M$ E) i1 J  ?7 ?   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
; m4 o" T7 Q4 W' @     Docs: man:httpd(8)
9 L  f8 O! F" z  k! h$ {6 K           man:apachectl(8)
5 P) Y; W$ ]: [5 s/ h Main PID: 199 (httpd)
   Status: "Total requests: 0; Current requests/sec: 0; Current traffic:   0 B/sec"
7 k5 g' k% d  O   CGroup: /docker/dcb5c79348a0ba92f0ccf225e2f9c42810b6f8ad7884400a968c767ae5569694/system.slice/httpd.service
$ b1 h" M5 l% t9 [           ├─199 /usr/sbin/httpd -DFOREGROUND
  Z* d! z* h* _$ U1 s- X5 a$ Z' }. P           ├─200 /usr/sbin/httpd -DFOREGROUND
           ├─201 /usr/sbin/httpd -DFOREGROUND
! H4 d; K$ X* A# Y. z: N           ├─202 /usr/sbin/httpd -DFOREGROUND
) s2 r% {' v# g. {" I% k' T           ├─203 /usr/sbin/httpd -DFOREGROUND
& ]# n5 D( t+ }+ e% S# s' a           └─204 /usr/sbin/httpd -DFOREGROUND
3 o6 n! i3 d/ i( O2 d           ‣ 199 /usr/sbin/httpd -DFOREGROUND

Jun 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
% h  M  o# M4 q; N5 CJun 21 07:38:03 dcb5c79348a0 systemd[1]: Started The Apache HTTP Server.
1 N  T; v+ t' [! oHint: Some lines were ellipsized, use -l to show in full.
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admin

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

/ O+ F" i1 D7 L( h9 t( S" R/ NStatus: Downloaded newer image for centos:latest
Failed to mount tmpfs at /run: Operation not permitted
) _4 L2 c) E1 h# P- R7 E! I[!!!!!!] Failed to mount API filesystems, freezing.
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[root@dockerserver ~]# docker exec -it 50b2bbf20091 /bin/bash
+ C4 P( r0 W* _9 ~: X! u[root@50b2bbf20091 /]# yum install -y httpd
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[root@50b2bbf20091 /]# systemctl start httpd.service
% H* [6 L7 |6 Q- R* N2 z) VFailed to get D-Bus connection: Operation not permitted

9 A: U5 o# _6 b0 Q$ ]0 s2 l+ f
* t; ]+ b, K2 W5 P; A% hdocker run --privileged -it centos /usr/sbin/init  &    #这样的方式建立的docker即可

admin

[root@dockerserver ~]# docker ps -a
' g' f$ b( a, X: N) i" qCONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES
50b2bbf20091        centos              "/usr/sbin/init"    4 minutes ago       Up 4 minutes                            distracted_bhabha
" Y* v0 {6 X+ F7 K. G: Z: |[root@dockerserver ~]# docker stop 50b2bbf20091
2 ~) _& T9 H' \. o. {50b2bbf20091
[root@dockerserver ~]# docker rm 50b2bbf20091
50b2bbf20091
[root@dockerserver ~]# docker images
- Q7 _% x( t, BREPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
centos              latest              49f7960eb7e4        2 weeks ago         200MB

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[root@dockerserver ~]# docker rmi 49f7960eb7e4
Untagged: centos:latest
Untagged: centos@sha256:b67d21dfe609ddacf404589e04631d90a342921e81c40aeaf3391f6717fa5322
* A6 L4 f. ~: ^& j" CDeleted: sha256:49f7960eb7e4cb46f1a02c1f8174c6fac07ebf1eb6d8deffbcb5c695f1c9edd5
Deleted: sha256:bcc97fbfc9e1a709f0eb78c1da59caeb65f43dc32cd5deeb12b8c1784e5b8237

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admin

[root@dockerserver ~]# docker images
% @4 x) I, Q  ]# ?+ W" ?REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
[root@dockerserver ~]# docker ps -a
7 D8 j  \. D; e- u9 ?6 E4 UCONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES