:~$ service apache2 start
 * Starting web server apache2                                                                                                       *
 * The apache2 configtest failed.
Output of config test was:
AH00526: Syntax error on line 4 of /etc/apache2/mods-enabled/fastcgi.conf:
FastCgiIpcDir /var/lib/apache2/fastcgi: access for server (uid 1000, gid 1000) failed: write not allowed
Action 'configtest' failed.
The Apache error log may have more information.