After updating to Fedora 43, no one can log in to Thinlinc. They get Connecetion error: Thinlinc login failed. (No agent server was available). The agent server is working fine. In the vsmagent.log is the error: WARNING tl-session: mkdir: Permission denied. Tracing this error shows that it is tryi…

Changing the selinux context of /var/opt/thinlinc/sessions to “system_u:object_r:thinlinc_session_root_t:s0” and removing all files under /var/opt/thinlinc/sessions fixed it. It’s odd, the selinux thinlinc policy was fine, it was loaded, but a restorecon would restore the contexts I listed originall…

Changing the selinux context of /var/opt/thinlinc/sessions to “system_u:object_r:thinlinc_user_t:s0” fixes the directory creation problem, but it then fails again when it tries to create a symlink “.last.tl-session” to the newly created session directory. :-1:

Thanks @michaelo , glad to hear you solved it. The SELinux context you mention in your last post looks correct, although I’m not sure why an OS upgrade would affect things in this way. @CendioOssman anything you’ve seen before?

It sounds like the ThinLinc SELinux setup did not complete fully for some reason. I would suggest having a look in /var/log/tlsetup.log to see if there are any errors or warnings.

For reference: 8727 – Can't start session on Fedora 43

Fedora 43 issue

Community Support

aaron 19 November 2025 00:43 6

For reference:

Topic		Replies	Views
ThinLinc login fails (No agent server was available) Community Support	15	631	27 February 2025
Tl-session: pam_open_session failed: 14 (Cannot make/remove an entry) Community Support thinlinc	11	60	22 June 2026
ThinLinc login failed. (No agent server was available) Community Support	19	3169	19 January 2024
Issues getting Thinlinc Server running on OpenSuse MicroOS Community Support linux , tlserver	1	1056	19 October 2021
SELinux : denied getattr for tl-session Community Support	4	71	18 February 2026

Fedora 43 issue

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