#a2query
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Apache: a2query command
When installing apache in Ubuntu, there are many commands system that administer apache service.
In this blog post, we discuss about a2query command.
Description
a2query is a program designed to retrieve configuration values from a locally available Apache 2 HTTP web server. It was designed to be as robust as possible by returning feasible values even if the Apache 2 syntax validator fails.
Options
-a Returns the Apache 2 "Module Magic Version" (API version) number, the server was compiled with. The returned version does not contain any minor versions which are known to be compatible with the major version returned. -c [CONF] Checks whether the configuration CONF is enabled. If no argument was given, all enabled configuration files are being returned. CONF is compared by string comparison by ignoring a leading "mod_" prefix and possibly a '.conf' or '.load' suffix. -h Displays a brief summary how the program can be called and exits. -m [MODULE] Checks whether the module MODULE is enabled, The argument is interpreted in the same way, as for configuration files queried by the -c switch. -M Returns the currently enabled Apache 2 MPM (Multi Processing Module). -s [SITE] Checks whether the module SITE is enabled, The argument is interpreted in the same way, as for configuration files queried by the -c switch. -v returns the currently installed Apache 2 HTTP server version -q suppress any output. This is useful to invoke a2query from another script. This is useful if only the return code is of interest.
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