How to debug an apache virtual host configuration

Question

Once again  I have a problem with my apache virtual host configuration   The default configuration is used instead of my specific one    The problem is not really the misconfiguration but how to solve it    Does anyone has good advices to do resolve this kind of problem quickly   Some more informations   The default conf file is this one   NameVirtualHost    lt VirtualHost   gt          ServerAdmin webmaster localhost          DocumentRoot  var www           lt Directory   gt                  Options FollowSymLinks                 AllowOverride None          lt  Directory gt           lt Directory  var www  gt                  Options Indexes FollowSymLinks MultiViews                 AllowOverride None                 Order allow deny                 allow from all          lt  Directory gt           ScriptAlias  cgi-bin   usr lib cgi-bin           lt Directory   usr lib cgi-bin  gt                  AllowOverride None                 Options  ExecCGI -MultiViews  SymLinksIfOwnerMatch                 Order allow deny                 Allow from all          lt  Directory gt           ErrorLog  var log apache2 error log            Possible values include  debug  info  notice  warn  error  crit            alert  emerg          LogLevel warn          CustomLog  var log apache2 access log combined         ServerSignature On      Alias  doc    usr share doc        lt Directory   usr share doc   gt          Options Indexes MultiViews FollowSymLinks         AllowOverride None         Order deny allow         Deny from all         Allow from 127 0 0 0 255 0 0 0   1 128      lt  Directory gt    lt  VirtualHost gt    And the virtual host config that doesn t apply is this one    lt VirtualHost     gt   ProxyPreserveHost On ProxyPass   http   ip ip ip ip 8088  ProxyPassReverse   http   ip ip ip ip 8088  ServerName wiki mydomain com   lt  VirtualHost gt

User · Answer

If you are trying to debug your virtual host configuration, you may find the Apache -S command line switch useful. That is, type the following command:

httpd -S

This command will dump out a description of how Apache parsed the configuration file. Careful examination of the IP addresses and server names may help uncover configuration mistakes. (See the docs for the httpd program for other command line options).

User · Answer

First check out config files for syntax errors with apachectl configtest and then look into apache error logs

User · Answer

I had a new VirtualHost configuration file that was not showing when using the apachectl -S command   After much head scratching I realised that my file did not have suffix   conf   Once I renamed the file with that suffix my Vhost started showing and working

User · Answer

I recently had some issues with a VirtualHost  I used a2ensite to enable a host but before running a restart  which would kill the server on fail  I ran  apache2ctl -S   Which gives you some info about what s going on with your virtual hosts  It s not perfect  but it helps

User · Answer

Syntax check To check configuration files for syntax errors    Red Hat-based  Fedora  CentOS  and OSX httpd -t    Debian-based  Ubuntu  apache2ctl -t    MacOS apachectl -t  List virtual hosts To list all virtual hosts  and their locations    Red Hat-based  Fedora  CentOS  and OSX httpd -S    Debian-based  Ubuntu  apache2ctl -S    MacOS apachectl -S

User · Answer

I found my own mistake  I did not add log file name       ErrorLog  var log apache2  And this path        Directory   usr share doc   Did not contain website sources    After I changed these two  all worked   Interestingly  apache did not issue any errors  just did not open my website silently on my Mac OS Sierra

User · Answer

Here s a command I think could be of some help    apachectl -t -D DUMP VHOSTS   You ll get a list of all the vhosts  you ll know which one is the default one and you ll make sure that your syntax is correct  same as apachectl configtest suggested by yojimbo87    You ll also know where each vhost is declared  It can be handy if your config files are a mess

[apache] How to debug an apache virtual host configuration?

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