title: Ubuntu 14.04 Server: Apache2 issue with phpMyAdmin
body: <p>I have installed Apache 2, and it is working fine. I have installed PHP&nbsp;7, and everything works fine, But when I install phpMyAdmin, Apache 2 stops working. When checking Apache 2, it even does not load the default page.</p>
  
  <p>When I restart Apache 2, the following error comes up:</p>
  
  <pre><code>root@ip-172-31-30-202:~# service apache2 restart
  * Restarting web server apache2                                                                                                                                   [fail]
  * The apache2 configtest failed.
  Output of config test was:
  Segmentation fault (core dumped)
  Action 'configtest' failed.
  The Apache error log may have more information.
  </code></pre>
  
  <p>The error log has:</p>
  
  <pre><code>[Mon Jul 18 12:54:10.668017 2016] [mpm_event:notice] [pid 13665:tid 140077033654144] AH00489: Apache/2.4.7 (Ubuntu) configured -- resuming normal operations
  [Mon Jul 18 12:54:10.668089 2016] [core:notice] [pid 13665:tid 140077033654144] AH00094: Command line: '/usr/sbin/apache2'
  [Mon Jul 18 12:54:23.642421 2016] [mpm_event:notice] [pid 13665:tid 140077033654144] AH00491: caught SIGTERM, shutting down
  [Mon Jul 18 12:54:24.689367 2016] [mpm_prefork:notice] [pid 14802] AH00163: Apache/2.4.7 (Ubuntu) configured -- resuming normal operations
  [Mon Jul 18 12:54:24.689425 2016] [core:notice] [pid 14802] AH00094: Command line: '/usr/sbin/apache2'
  [Mon Jul 18 12:54:25.869852 2016] [mpm_prefork:notice] [pid 14802] AH00169: caught SIGTERM, shutting down
  PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/20151012/xml.so' - /usr/lib/php/20151012/xml.so: cannot open shared object file: No such file o$
  PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/20151012/dom.so' - /usr/lib/php/20151012/dom.so: cannot open shared object file: No such file o$
  PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/20151012/simplexml.so' - /usr/lib/php/20151012/simplexml.so: cannot open shared object file: No$
  PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/20151012/wddx.so' - /usr/lib/php/20151012/wddx.so: cannot open shared object file: No such file$
  PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/20151012/xmlreader.so' - /usr/lib/php/20151012/xmlreader.so: cannot open shared object file: No$
  PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/20151012/xmlwriter.so' - /usr/lib/php/20151012/xmlwriter.so: cannot open shared object file: No$
  PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/20151012/xsl.so' - /usr/lib/php/20151012/xsl.so: cannot open shared object file: No such file o$
  [Mon Jul 18 12:54:26.942086 2016] [mpm_prefork:notice] [pid 14888] AH00163: Apache/2.4.7 (Ubuntu) configured -- resuming normal operations
  [Mon Jul 18 12:54:26.942120 2016] [core:notice] [pid 14888] AH00094: Command line: '/usr/sbin/apache2'
  [Mon Jul 18 12:55:36.014664 2016] [:error] [pid 14891] [client 103.255.6.72:60140] script '/var/www/html/info1.php' not found or unable to stat
  [Mon Jul 18 12:56:38.672883 2016] [mpm_prefork:notice] [pid 14888] AH00169: caught SIGTERM, shutting down
  PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/20151012/xml.so' - /usr/lib/php/20151012/xml.so: cannot open shared object file: No such file o$
  PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/20151012/dom.so' - /usr/lib/php/20151012/dom.so: cannot open shared object file: No such file o$
  PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/20151012/simplexml.so' - /usr/lib/php/20151012/simplexml.so: cannot open shared object file: No$
  PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/20151012/wddx.so' - /usr/lib/php/20151012/wddx.so: cannot open shared object file: No such file$
  PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/20151012/xmlreader.so' - /usr/lib/php/20151012/xmlreader.so: cannot open shared object file: No$
  PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/20151012/xmlwriter.so' - /usr/lib/php/20151012/xmlwriter.so: cannot open shared object file: No$
  PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/20151012/xsl.so' - /usr/lib/php/20151012/xsl.so: cannot open shared object file: No such file o$
  [Mon Jul 18 12:56:39.724500 2016] [mpm_prefork:notice] [pid 14954] AH00163: Apache/2.4.7 (Ubuntu) configured -- resuming normal operations
  [Mon Jul 18 12:56:39.724533 2016] [core:notice] [pid 14954] AH00094: Command line: '/usr/sbin/apache2'
  [Mon Jul 18 12:57:41.945362 2016] [mpm_prefork:notice] [pid 14954] AH00171: Graceful restart requested, doing restart
  [Mon Jul 18 12:57:42.017483 2016] [mpm_prefork:notice] [pid 14954] AH00163: Apache/2.4.7 (Ubuntu) configured -- resuming normal operations
  [Mon Jul 18 12:57:42.017497 2016] [core:notice] [pid 14954] AH00094: Command line: '/usr/sbin/apache2'
  [Mon Jul 18 12:57:42.610599 2016] [mpm_prefork:notice] [pid 14954] AH00169: caught SIGTERM, shutting down
  [Mon Jul 18 13:02:11.030749 2016] [mpm_prefork:notice] [pid 20227] AH00163: Apache/2.4.7 (Ubuntu) configured -- resuming normal operations
  [Mon Jul 18 13:02:11.030808 2016] [core:notice] [pid 20227] AH00094: Command line: '/usr/sbin/apache2'
  [Mon Jul 18 13:05:14.256971 2016] [mpm_prefork:notice] [pid 20227] AH00169: caught SIGTERM, shutting down
  [Mon Jul 18 13:05:34.584056 2016] [mpm_prefork:notice] [pid 21762] AH00163: Apache/2.4.7 (Ubuntu) configured -- resuming normal operations
  [Mon Jul 18 13:05:34.584096 2016] [core:notice] [pid 21762] AH00094: Command line: '/usr/sbin/apache2'
  [Mon Jul 18 13:08:45.103877 2016] [mpm_prefork:notice] [pid 21762] AH00171: Graceful restart requested, doing restart
  [Mon Jul 18 13:08:45.197300 2016] [mpm_prefork:notice] [pid 21762] AH00163: Apache/2.4.7 (Ubuntu) configured -- resuming normal operations
  [Mon Jul 18 13:08:45.197313 2016] [core:notice] [pid 21762] AH00094: Command line: '/usr/sbin/apache2'
  [Mon Jul 18 13:08:45.779038 2016] [mpm_prefork:notice] [pid 21762] AH00169: caught SIGTERM, shutting down
  </code></pre>
  
  <p>I am using <a href="https://en.wikipedia.org/wiki/List_of_Ubuntu_releases#Ubuntu_14.04_LTS_.28Trusty_Tahr.29" rel="noreferrer">Ubuntu&nbsp;14.04</a> (Trusty Tahr).</p>