[webwork root /opt/webwork/webwork2] # /etc/init.d/apache2 restart
 * Restarting web server apache2                                                                       [fail]
 * The apache2 configtest failed.
Output of config test was:
Localize.pm: Full path for the localization directory set to |/opt/webwork/webwork2/lib/WeBWorK/Localize|
AH00526: Syntax error on line 12 of /etc/apache2/conf-enabled/webwork.conf:
Can't locate PGUtil.pm in @INC (you may need to install the PGUtil module) (@INC contains: /opt/webwork/pg/lib /opt/webwork/webwork2/lib /etc/perl /usr/local/lib/perl/5.18.2 /usr/local/share/perl/5.18.2 /usr/lib/perl5 /usr/share/perl5 /usr/lib/perl/5.18 /usr/share/perl/5.18 /usr/local/lib/site_perl . /etc/apache2) at /opt/webwork/webwork2/lib/WeBWorK/Utils/CourseManagement.pm line 38.\nBEGIN failed--compilation aborted at /opt/webwork/webwork2/lib/WeBWorK/Utils/CourseManagement.pm line 38.\nCompilation failed in require at /opt/webwork/webwork2/lib/WeBWorK/ContentGenerator/CourseAdmin.pm line 38.\nBEGIN failed--compilation aborted at /opt/webwork/webwork2/lib/WeBWorK/ContentGenerator/CourseAdmin.pm line 38.\nCompilation failed in require at (eval 674) line 2.\nBEGIN failed--compilation aborted at /opt/webwork/webwork2/lib/WeBWorK.pm line 85.\nCompilation failed in require at /opt/webwork/webwork2/lib/Apache/WeBWorK.pm line 35.\nBEGIN failed--compilation aborted at /opt/webwork/webwork2/lib/Apache/WeBWorK.pm line 35.\n
webwork.apache2-config:  WeBWorK server is starting
webwork.apache2-config:  WeBWorK root directory set to /opt/webwork/webwork2 in webwork2/conf/webwork.apache2-config
webwork.apache2-config:  The following locations and urls are set in webwork2/conf/site.conf
webwork.apache2-config:  PG root directory set to /opt/webwork/pg
webwork.apache2-config:  WeBWorK server userID is www-data
webwork.apache2-config:  WeBWorK server groupID is www-data
webwork.apache2-config:  The webwork url on this site is https://services.philfour.com/webwork2
Action 'configtest' failed.
The Apache error log may have more information.