linux - Error pulling image (latest) from centos, Authentication is required -


i have installed docker.io on centos 6.4 64 bit following steps mentioned here: http://nareshv.blogspot.in/2013/08/installing-dockerio-on-centos-64-64-bit.html

now able start docker daemon. when searching container follows it's giving me result 

 [root@test ~]# docker search tutorial   found 8 results matching query ("tutorial")  name                             description  mhubig/echo                      simple echo loop tutorial.  learn/tutorial  jbarbier/tutorial1  mzdaniel/buildbot-tutorial  kyma/ping                        ping image tutorial.  ivarvong/redis                   redis tutorial. redis-server ,       telnet on base image.  amattn/postgresql-9.3.0          precise base, postgresql 9.3.0 installed w/ default   configuration.  http://amattn.com/2013/09/19/tutorial_postgresql_us...

danlucraft/postgresql postgresql 9.3, on port 5432, un:docker, pw:docker. following postgresql example tutorial.

but when trying pull container it's giving me below error 

[root@test ~]# docker pull learn/tutorial pulling repository learn/tutorial 8dbd9e392a96: error pulling image (latest) learn/tutorial, authentication required. 2013/10/08 02:50:01 internal server error: 404 trying fetch remote history learn/tutorial

how set authentication , where? please help

i had same problem , this answer solution me.

it time-zone issue. ran docker on vm, , host , guest clock had different ctimezone, authentication failure due clock divergence. once setup ntp correctly (with hw clock set utc) on host, problem went away.


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