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[GH-ISSUE #128] Getting Error "s3fs: could not determine how to establish security credentials" #81

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opened 2026-03-04 01:41:50 +03:00 by kerem · 7 comments

kerem commented

2026-03-04 01:41:50 +03:00

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Originally created by @qspencer on GitHub (Feb 23, 2015).
Original GitHub issue: https://github.com/s3fs-fuse/s3fs-fuse/issues/128

Using an EC2 with Amazon linux
A file named ".passwd-s3fs" is in $HOME
The file contains one line with :
Ran "chmod 600 .passwd-s3fs"
libcurl version is 7.40
issued command "tail -f /var/log/messages" but no s3fs messages
tried "-f" option. Output was:

set_moutpoint_attribute(3482): PROC(uid=0, gid=0) - MountPoint(uid=0, gid=0, mode=40755)
s3fs: could not determine how to establish security credentials

Any solutions or suggestions of things to try would be greatly appreciated!

Originally created by @qspencer on GitHub (Feb 23, 2015). Original GitHub issue: https://github.com/s3fs-fuse/s3fs-fuse/issues/128 1. Using an EC2 with Amazon linux 2. A file named ".passwd-s3fs" is in $HOME 3. The file contains one line with <accesskeyid>:<secretaccesskey> 4. Ran "chmod 600 .passwd-s3fs" 5. libcurl version is 7.40 6. issued command "tail -f /var/log/messages" but no s3fs messages 7. tried "-f" option. Output was: set_moutpoint_attribute(3482): PROC(uid=0, gid=0) - MountPoint(uid=0, gid=0, mode=40755) s3fs: could not determine how to establish security credentials Any solutions or suggestions of things to try would be greatly appreciated!

kerem closed this issue

2026-03-04 01:41:50 +03:00

kerem commented

2026-03-04 01:41:51 +03:00

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@ggtakec commented on GitHub (Mar 3, 2015):

"s3fs: could not determine how to establish security credentials" message means that s3fs could not find any credential(/etc/passed-s3fs, $HOME/.passwd-s3fs etc...).
It seems that your procedure is no problem, but you got this message.
So I think that HOME environment is something wrong as possible.

If you can, you try to copy your $HOME/.passwd-s3fs to /etc/passwd-s3fs and cheek to run s3fs.

Regards,

@ggtakec commented on GitHub (Mar 3, 2015): "s3fs: could not determine how to establish security credentials" message means that s3fs could not find any credential(/etc/passed-s3fs, $HOME/.passwd-s3fs etc...). It seems that your procedure is no problem, but you got this message. So I think that HOME environment is something wrong as possible. If you can, you try to copy your $HOME/.passwd-s3fs to /etc/passwd-s3fs and cheek to run s3fs. Regards,

kerem commented

2026-03-04 01:41:51 +03:00

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@qspencer commented on GitHub (Mar 3, 2015):

thank you, I tried what you suggested and it worked!

@qspencer commented on GitHub (Mar 3, 2015): thank you, I tried what you suggested and it worked!

kerem commented

2026-03-04 01:41:51 +03:00

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@jcomeauictx commented on GitHub (Jan 29, 2017):

if you ran the s3fs command with sudo, but had the .passwd-s3fs file in your own account's $HOME, that could account for why it failed, and also why it mentioned PROC(uid=0, gid=0) in the output. it may have been looking for the file in root's home directory.

@jcomeauictx commented on GitHub (Jan 29, 2017): if you ran the `s3fs` command with `sudo`, but had the `.passwd-s3fs` file in your own account's `$HOME`, that could account for why it failed, and also why it mentioned `PROC(uid=0, gid=0)` in the output. it may have been looking for the file in root's home directory.

kerem commented

2026-03-04 01:41:51 +03:00

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@railsfans commented on GitHub (Jul 22, 2017):

把/etc/passwd-ossfs的权限改成你要启动的普通用户就行了。

@railsfans commented on GitHub (Jul 22, 2017): 把/etc/passwd-ossfs的权限改成你要启动的普通用户就行了。

kerem commented

2026-03-04 01:41:51 +03:00

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@stormm2138 commented on GitHub (Feb 22, 2018):

Note that for me using fstab didn't auto-remount on reboot, likely due to networking services not being enabled at the time of the boot mount, so I'm creating a service to boot after networking services are enabled per https://github.com/s3fs-fuse/s3fs-fuse/issues/412

@stormm2138 commented on GitHub (Feb 22, 2018): Note that for me using fstab **didn't auto-remount on** reboot, likely due to networking services not being enabled at the time of the boot mount, so I'm creating a service to boot **after networking services** are enabled per https://github.com/s3fs-fuse/s3fs-fuse/issues/412

kerem commented

2026-03-04 01:41:52 +03:00

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@blurayne commented on GitHub (Aug 31, 2018):

You could use a bash wrapper script to support a custom credential parameter using AWS CLI ENV variables - see here:
http://blog.evolution515.net/2018/08/31/autofs-indirect-user-automounter-for-aws-s3-using-either-s3fs-or-goofyfs/

@blurayne commented on GitHub (Aug 31, 2018): You could use a bash wrapper script to support a custom credential parameter using AWS CLI ENV variables - see here: http://blog.evolution515.net/2018/08/31/autofs-indirect-user-automounter-for-aws-s3-using-either-s3fs-or-goofyfs/

kerem commented

2026-03-04 01:41:52 +03:00

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@treii28 commented on GitHub (Mar 17, 2022):

my EC2 should have S3 permissions in it's default assumed role. is there any way to avoid this error when using such authentication?

@treii28 commented on GitHub (Mar 17, 2022): my EC2 should have S3 permissions in it's default assumed role. is there any way to avoid this error when using such authentication?