Red Hat LINUX 7.2 - OFFICIAL LINUX CUSTOMIZATION GUIDE Manual page 151

Section 14.4:Server Settings 151
Figure 14–14 Server Configuration
The Lock File value corresponds to the LockFile directive. This directive sets the path to the
lockfile used when Apache is compiled with either USE_FCNTL_SERIALIZED_ACCEPT or
USE_FLOCK_SERIALIZED_ACCEPT. It must be stored on the local disk. IT should be left to the
default value unless the logs directory is located on an NFS share. If this is the case, the default
value should be changed to a location on the local disk and to a directory that is readable only by root.
The value corresponds to the PidFile directive. This directive sets the file in which the server
PID File
records its process ID (pid). This file should only be readable by root. In most cases, it should be left
to the default value.
The Core Dump Directory value corresponds to the CoreDumpDirectory directive. Apache tries to
switch to this directory before dumping core. The default value is the ServerRoot. However, if the
user that the server runs as can not write to this directory, the core dump can not be written. Change
this value to a directory writable by the user the server runs as, if you want to write the core dumps to
disk for debugging purposes.
The value corresponds to the User directive. It sets the userid used by the server to answer
User
requests. This user's settings determine the server's access. Any files inaccessible to this user will
also be inaccessible to your website's visitors. The default for User is apache.