[phpa] Re: SHM Permissions
- From: Goetz Lohmann <goetz.lohmann@xxxxxx>
- To: phpa@xxxxxxxxxxxxx
- Date: Wed, 15 May 2002 04:08:32 +0200
Hi there !
first of all ... great work you hav done with php-accelerator !!!
so ... now to the bogo ... I got the nearly the same problem as Marco.
I installed Version 1.3 of PHPa and everything is fine on running
default values.
But by changing
phpa.shm_perms = 644
phpa.shm_user="httpd"
phpa.shm_group="httpd"
I noticed that phpa_cache_admin could not even connectd to the shared
memory.
The child process is running as httpd but the Apache is started as root.
phpa_cache_admin is telling me:
[root]>phpa_cache_admin -m
8388608:8374184:32768:32768:8337260:4156:0:1021427005:m
[root]>su httpd
[httpd]>phpa_cache_admin -m
Unable to acquire shm sems - Permission denied
Unable to access cache shared memory - Permission denied
No shm cache available with key 0x0c0deb00
[httpd]>ipcs -m
------ Shared Memory Segments --------
key shmid owner perms bytes nattch status
0x0c0deb00 12292 root 644 8388608 9
0x00000000 12294 httpd 600 92164 9 dest
what happend ?
The shared memmory isn't initialised as httpd but instead as root,
setting the
correct permissions to 644. Seems that the phpa.shm_user and
phpa.shm_group line
is ignored ...
how to fix this ?
In fact, the script could read the shared memory ... so why it tell me
that there is no such key available ? Isn't it enought for the stats
to read the shared mem ... maybe to flush I have to write, but to get
the status also ?
regards, Götz Lohmann
> From: "Marco 'solariz' Goetze" <solariz2@xxxxxxxxxxxxx>
> Date: Mon, 6 May 2002 17:29:09 +0200
>
>Hi Nick,
> sure i've read the release notes allready and the new variables
> ar set.
> phpa.shm_user="wwwrun"
> phpa.shm_group="nogroup"
> But in my Apache log the error iv'e mailed one minute ago appears
> in short ranges. For now i've switched back to the 1.2p4
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