Apache HTTP server control interface
see also :
When acting in
SysV init mode, apache2ctl takes simple, one-word commands,
When acting in
pass-through mode, apache2ctl can take all the arguments
available for the httpd binary.
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is a front end to the Apache HyperText Transfer Protocol
(HTTP) server. It is designed to help the administrator
control the functioning of the Apache apache2
The default Debian configuration requires the environment
variables APACHE_RUN_USER, APACHE_RUN_GROUP,
and APACHE_PID_FILE to be set in
apache2ctl script returns a 0 exit value on success,
and >0 if an error occurs. For more details, view the
comments in the script.
command can be any one or more of the following
Start the Apache daemon. Gives an error if it is already
Stops the Apache daemon.
Restarts the Apache daemon by sending it a SIGHUP. If
the daemon is not running, it is started. This command
automatically checks the configuration files via
configtest before initiating the restart to to catch
the most obvious errors. However, it is still possible for
the daemon to die because of problems with the
Displays a full status report from mod_status.
For this to work, you need to have mod_status enabled on
your server and a text-based browser such as lynx
available on your system. The URL used to access the status
report can be set by setting the APACHE_STATUSURL
variable in /etc/apache2/envvars.
Displays a brief status report. Similar to the
fullstatus option, except that the list of requests
currently being served is omitted.
Gracefully restarts the Apache daemon by sending it a
SIGUSR1. If the daemon is not running, it is started. This
differs from a normal restart in that currently open
connections are not aborted. A side effect is that old log
files will not be closed immediately. This means that if
used in a log rotation script, a substantial delay may be
necessary to ensure that the old log files are closed before
processing them. This command automatically checks the
configuration files via apache2ctl configtest before
initiating the restart to to catch the most obvious errors.
However, it is still possible for the daemon to die because
of problems with the configuration.
Gracefully stops the Apache httpd daemon. This differs
from a normal stop in that currently open connections are
not aborted. A side effect is that old log files will not be
Run a configuration file syntax test. It parses the
configuration files and either reports Syntax Ok or
information about the particular syntax error. This test
does not catch all errors.
Displays a short help message.
The following option was
available in earlier versions but has been
To start httpd with SSL support, you should edit your
configuration file to include the relevant directives and
then use the normal apache2ctl start.
The behaviour of apache2ctl can be influenced with these
environment variables: APACHE_HTTPD, APACHE_LYNX,
APACHE_ENVVARS. See the comments in the script for
details. These variables (except APACHE_ENVVARS) can be
set in /etc/apache2/envvars.