• Debian 11 is approaching its end-of-life (vendor EOL date - August 31, 2026). Plesk Obsidian 18.0.80 will be the last release to support it.
    If you are running Plesk Obsidian on Debian 11, we recommend you upgrade those servers to Debian 12 using our dist-upgrade tool.
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Resolved Session problem in PHP: session_start() failed: Permission denied (13) Failed to read session data: files (path: /var/lib/php/session)

dagclaessens

New Pleskian
Hello,

On a fresh installed server, I have a problem with PHP. I can't start the session, it gives me this error:

Warning: session_start(): open(/var/lib/php/session/{sessionid{, O_RDWR) failed: Permission denied (13) in {phpfile} on line 5
Warning
: session_start(): Failed to read session data: files (path: /var/lib/php/session) in {phpfile} on line 5

Server: CentOS 8 with Plesk Obsidian 18.0.30
Does anyone know how this can be fixed?
Thank you!
 
Check that you have correct permissions there and SELinux is disabled:

# stat /var/lib/php/session
File: '/var/lib/php/session'
Size: 4096 Blocks: 8 IO Block: 4096 directory
Device: 1bh/27d Inode: 55592081 Links: 2
Access: (1733/drwx-wx-wt) Uid: ( 0/ root) Gid: ( 0/ root)

[root@ppu18-0 ~]# getenforce
Disabled
 
SELinux is enabled.

[root@secure7 ~]# getenforce
Enforcing

Does SELinux have to be disabled for plesk to run? Is this mentioned in the install instructions?
 
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