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--help and help are successful commands so output should not go to error. QE teams have requested this change, also users doing docker help | less or docker run --help | less would expect this to work. Usage statement should only be printed when the user asks for it. Errors should print error message and then suggest the docker COMMAND --help command to see usage information. The current behaviour causes the user to have to search for the error message and sometimes scrolls right off the screen. For example a error on a "docker run" command is very difficult to diagnose. Finally erros should always exit with a non 0 exit code, if the user makes a CLI error. Docker-DCO-1.1-Signed-off-by: Dan Walsh <dwalsh@redhat.com> (github: rhatdan)
42 lines
1 KiB
Markdown
42 lines
1 KiB
Markdown
% DOCKER(1) Docker User Manuals
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% Docker Community
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% JUNE 2014
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# NAME
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docker-login - Register or log in to a Docker registry server, if no server is specified "https://index.docker.io/v1/" is the default.
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# SYNOPSIS
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**docker login**
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[**-e**|**--email**[=*EMAIL*]]
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[**--help**]
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[**-p**|**--password**[=*PASSWORD*]]
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[**-u**|**--username**[=*USERNAME*]]
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[SERVER]
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# DESCRIPTION
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Register or Login to a docker registry server, if no server is
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specified "https://index.docker.io/v1/" is the default. If you want to
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login to a private registry you can specify this by adding the server name.
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# OPTIONS
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**-e**, **--email**=""
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Email
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**--help**
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Print usage statement
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**-p**, **--password**=""
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Password
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**-u**, **--username**=""
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Username
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# EXAMPLES
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## Login to a local registry
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# docker login localhost:8080
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# HISTORY
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April 2014, Originally compiled by William Henry (whenry at redhat dot com)
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based on docker.com source material and internal work.
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June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
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