Docker问题（Get http:///var/run/docker.sock/v1.20/version:dial unix /var/run/docker.sock: no such file）
问题：
[root@my-orch ~]# docker --version
Docker version 1.8.2-el7.centos, builda01dc02/1.8.2
[root@my-orch ~]# docker version
Client:
Version: 1.8.2-el7.centos
APIversion: 1.20
Package Version:docker-1.8.2-10.el7.centos.x86_64
Goversion: go1.4.2
Gitcommit: a01dc02/1.8.2
Built:
OS/Arch: linux/amd64
Gethttp:///var/run/docker.sock/v1.20/version: dial unix /var/run/docker.sock: nosuch file or directory.
* Are you trying to connect to aTLS-enabled daemon without TLS?
* Is your docker daemon up and running?
[root@my-orch ~]# ls
Ansible ONY db002.rc jeguan_32.19.01.0400_20160309 setuptools-14.3.zip
CTSNK PRS01 db002.yaml jeguan_32.19.01.0400_20160309.tar
DBwrapper backup docker node1_250-cts_dbdev_keypair.pem
FT001 code heatrc openstack_code
NOKIA_IMAGE_oam_1.1.2_RDBaaS_1.2 db.q images python
[root@my-orch ~]# service docker status
Redirecting to /bin/systemctl status docker.service
â— docker.service -Docker Application Container Engine
Loaded: loaded (/usr/lib/systemd/system/docker.service; disabled; vendorpreset: disabled)
Active: inactive (dead)
Docs: http://docs.docker.com
Mar 09 08:16:58 my-orch.novalocalsystemd[1]: Stopped Docker Application Container Engine.
原因： 没有启动deamon
解决方案，使用docker -d启动deamon：
[root@my-orch ~]# docker -d
Warning: '-d' is deprecated, it will beremoved soon. See usage.
WARN[0000] please use 'docker daemon'instead.
INFO[0000] Listening for HTTP on unix(/var/run/docker.sock)
ERRO[0000] WARNING: No --storage-optdm.thinpooldev specified, using loopback; this configuration is stronglydiscouraged for production use
INFO[0010] Option DefaultDriver: bridge
INFO[0010] Option DefaultNetwork: bridge
WARN[0010] Running modprobe bridge nf_natbr_netfilter failed with message: modprobe: WARNING: Module br_netfilter notfound.
insmod/lib/modules/3.10.0-327.4.5.el7.x86_64/kernel/net/llc/llc.ko
insmod/lib/modules/3.10.0-327.4.5.el7.x86_64/kernel/net/802/stp.ko
insmod/lib/modules/3.10.0-327.4.5.el7.x86_64/kernel/net/bridge/bridge.ko
insmod/lib/modules/3.10.0-327.4.5.el7.x86_64/kernel/net/netfilter/nf_conntrack.ko
insmod/lib/modules/3.10.0-327.4.5.el7.x86_64/kernel/net/netfilter/nf_nat.ko
, error: exit status 1
INFO[0010] Firewalld running: false
INFO[0010] Loading containers: start.
INFO[0010] Loading containers: done.
INFO[0010] Daemon has completedinitialization
INFO[0010] Docker daemon commit=a01dc02/1.8.2 execdriver=native-0.2 graphdriver=devicemapperversion=1.8.2-el7.centos
INFO[0078] GET /v1.20/version
INFO[0091] GET /v1.20/containers/json