Buenas...
Por lo visto plesk en la actualización, corrompió el modulo php 5.6 de ahí el problema de quedarse el vps sin memoria, menos mal que apache solto el siguiente error:
Código PHP:
PHP Warning: PHP Startup: Unable to load dynamic library '/opt/plesk/php/5.6/lib64/php/modules/tidy.so' - libtidy-0.99.so.0: failed to map segment from shared object: Cannot allocate memory in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/opt/plesk/php/5.6/lib64/php/modules/xmlreader.so' - /opt/plesk/php/5.6/lib64/php/modules/xmlreader.so: failed to map segment from shared object: Cannot allocate memory in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/opt/plesk/php/5.6/lib64/php/modules/xmlrpc.so' - /opt/plesk/php/5.6/lib64/php/modules/xmlrpc.so: failed to map segment from shared object: Cannot allocate memory in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/opt/plesk/php/5.6/lib64/php/modules/xmlwriter.so' - /opt/plesk/php/5.6/lib64/php/modules/xmlwriter.so: failed to map segment from shared object: Cannot allocate memory in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/opt/plesk/php/5.6/lib64/php/modules/xsl.so' - /opt/plesk/php/5.6/lib64/php/modules/xsl.so: failed to map segment from shared object: Cannot allocate memory in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/opt/plesk/php/5.6/lib64/php/modules/zip.so' - /opt/plesk/php/5.6/lib64/php/modules/zip.so: failed to map segment from shared object: Cannot allocate memory in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/opt/plesk/php/5.6/lib64/php/modules/sysvshm.so' - /opt/plesk/php/5.6/lib64/php/modules/sysvshm.so: failed to map segment from shared object: Cannot allocate memory in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/opt/plesk/php/5.6/lib64/php/modules/tidy.so' - /opt/plesk/php/5.6/lib64/php/modules/tidy.so: failed to map segment from shared object: Cannot allocate memory in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/opt/plesk/php/5.6/lib64/php/modules/xmlreader.so' - /opt/plesk/php/5.6/lib64/php/modules/xmlreader.so: failed to map segment from shared object: Cannot allocate memory in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/opt/plesk/php/5.6/lib64/php/modules/xmlrpc.so' - /opt/plesk/php/5.6/lib64/php/modules/xmlrpc.so: failed to map segment from shared object: Cannot allocate memory in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/opt/plesk/php/5.6/lib64/php/modules/xmlwriter.so' - /opt/plesk/php/5.6/lib64/php/modules/xmlwriter.so: failed to map segment from shared object: Cannot allocate memory in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/opt/plesk/php/5.6/lib64/php/modules/xsl.so' - /opt/plesk/php/5.6/lib64/php/modules/xsl.so: failed to map segment from shared object: Cannot allocate memory in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/opt/plesk/php/5.6/lib64/php/modules/zip.so' - /opt/plesk/php/5.6/lib64/php/modules/zip.so: failed to map segment from shared object: Cannot allocate memory in Unknown on line 0
Out of memory
Solución: actualizar versión PHP 7.0.5 y problema solucionado
