Timeline for How to know if docker is already logged in to a docker registry server
Current License: CC BY-SA 4.0
22 events
| when toggle format | what | by | license | comment | |
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| Nov 11, 2022 at 0:12 | comment | added | Don Kirkby |
With docker 1.6.2, I found it in ~/.dockercfg.
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| Nov 14, 2021 at 5:49 | comment | added | Shōgun8 |
@Fransesco, so the answer is that there is no way to check. This certainly doesn't work because this file stays populated indefinitely until you actively perform docker logout. But just because the file is populated with a variable does not mean that you are logged in.
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| Nov 13, 2021 at 11:02 | comment | added | Francesco de Guytenaere | @Shōgun8 there simply is no other way at the moment of writing, there are also alternatives mentioned if you do not want to check the file. | |
| Nov 13, 2021 at 6:02 | comment | added | Shōgun8 | That file will be populated even if you had an unsuccessful login. | |
| May 22, 2020 at 11:02 | comment | added | John Smith Optional | docker logout doesn't empty the "auths" entry in configjson, at least it doesn't for me | |
| Jan 14, 2020 at 17:37 | history | edited | Francesco de Guytenaere | CC BY-SA 4.0 |
Removed obsolete and uneccesary text to enhance readability
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| Jan 9, 2020 at 20:15 | history | edited | Francesco de Guytenaere | CC BY-SA 4.0 |
Removed the "however" as the quote already implies it is stored on disk.
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| Jan 3, 2020 at 22:38 | comment | added | Francesco de Guytenaere |
@duane That is what Dusan refers to in the first comment; it's the post I linked in the bottom of my original post that refers to the config.json entry. @Teekin The link I added in my initial post 4 years ago (See bottom), refers to a similar question that contains several scripting solutions. Did you check those?
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| Jan 3, 2020 at 22:27 | history | edited | Francesco de Guytenaere | CC BY-SA 4.0 |
Included ellipsis to show file below continues with more content which is irrelevant to the post (and hence excluded)
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| Jan 3, 2020 at 18:25 | history | edited | Francesco de Guytenaere | CC BY-SA 4.0 |
added 4 characters in body
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| Jan 3, 2020 at 18:18 | history | edited | Francesco de Guytenaere | CC BY-SA 4.0 |
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| Jan 3, 2020 at 18:13 | history | edited | Francesco de Guytenaere | CC BY-SA 4.0 |
added 1519 characters in body
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| Jun 17, 2019 at 13:57 | comment | added | user10470 | This only works for the main docker hub, I think. Authing to any other repo you'll have to check your config.json file. | |
| Jul 7, 2018 at 11:03 | comment | added | Teekin | What if a script needs to check? | |
| Jun 24, 2018 at 17:04 | history | edited | Francesco de Guytenaere | CC BY-SA 4.0 |
added 663 characters in body
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| Jun 22, 2018 at 1:24 | comment | added | Giovanni Bassi | docker info is not showing Username anymore. I am on Windows, with docker version 18.05.0-ce. | |
| Apr 25, 2018 at 6:15 | comment | added | famousgarkin |
docker info is apparently unreliable even for index.docker.io. Currently logged in alright and only see the Registry entry, no Username.
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| Nov 27, 2017 at 15:39 | comment | added | dusan |
The last link talks about checking the contents of ~/.docker/config.json.
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| May 23, 2017 at 12:10 | history | edited | URL Rewriter Bot |
replaced http://stackoverflow.com/ with https://stackoverflow.com/
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| Apr 14, 2016 at 23:07 | history | edited | Francesco de Guytenaere | CC BY-SA 3.0 |
Corrected answer with note it works only for a specific registry
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| Mar 16, 2016 at 8:44 | vote | accept | Ville Miekk-oja | ||
| Mar 15, 2016 at 23:07 | history | answered | Francesco de Guytenaere | CC BY-SA 3.0 |