If you encounter this error message on a Symfony2 project, you just have to install php5-intl module
apt-get install php5-intl
And don’t forget to restart apache
service apache2 restart
While your coding session, you encounter this error :
Use of undefined constant MCRYPT_BLOWFISH - assumed 'MCRYPT_BLOWFISH
You think, easy, a module should be missing on my php
So you install it :
sudo apt-get install php5-mcrypt
And restart apache.
But it still doesn’t work. In phpinfo() it seems the module is not installed.
In fact with the new version of PHP, you still need to activate the module
php5enmod -s apache2 mcrypt
The restart apache and the module should work.
You are seting up a new website and you get an 403 forbidden error and this on apache error log :
AH01630: client denied by server configuration
You don’t understand because you already setup hundred of websites, you check chmod but you still get this error.
Don’t panic, since apache 2.4 you have to change the directory configuration:
<Directory /> Options Indexed FollowSymLinks AllowOverride All Require all granted </Directory>
and restart apache, that should do the trick.
A classic error
PHP Fatal error: Call to undefined function curl_init()
To fix it, you just need to install the php5-curl extension
apt-get install php5-curl
You have this error message on your apache logs
/home/www/.htaccess: Invalid command 'Header', perhaps misspelled or defined by a module not included in the server configuration
Check the .htaccess file and there is no Header command…
<FilesMatch "\.(xml|jpg)$"> FileETag None Header unset ETag Header set Cache-Control "max-age=0, no-cache, no-store, must-revalidate" Header set Pragma "no-cache" Header set Expires "Wed, 11 Jan 1984 05:00:00 GMT" </FilesMatch>
In fact, this issue is due to the header apache’s module whose’s missing.
To install it, run
a2enmod headers
And don’t forget to restart apache
service apache2 restart
You are using apache with proxy module, but when you try to get your page, you get a error 500 ?
Check your apache error log, if you get this :
proxy: No protocol handler was valid for the URL /. If you are using a DSO version of mod_proxy, make sure the proxy submodules are included in the configuration using LoadModule.
You need to enable proxy module :
a2enmod proxy_http a2enmod proxy
And restart you apache server.
After installing Symfony 2 instead of viewing your website, you see this error message :
You need to enable either the SQLite3 or PDO_SQLite extension for the profiler to run properly.
It probably means you need to install the sqlite extension for php
apt-get install php5-sqlite
restart apache and that should to the tricks.
How to remove index.php from URL using .htaccess file ?
That is this easy :
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteCond %{THE_REQUEST} ^[^/]*/index\.php [NC]
RewriteRule ^index\.php(.+) $1 [R=301,L]
</IfModule>
Maybe you are using a magento website and you need to keep index.php for the backoffice.
Then add this condition to the .htaccess file
RewriteCond %{REQUEST_URI} !^[^/]*/index\.php/admin.*
and don’t forget to enable rewrite module
a2enmod rewrite
If you want to redirect your website’s visitors to your www domain name, add this in your apache virtualhost configuration
RewriteEngine On
RewriteCond %{HTTP_HOST} ^domain.com$
RewriteRule ^/(.*)$ http://www.domain.com/$1 [R=301,L]
and don’t forget to enable rewrite module
a2enmod rewrite
How to automatically redirect all your http request to your https website ?
Simply add this 3 lines in your http VirtualHost configuration
RewriteEngine on
RewriteCond %{HTTPS} !^on$ [NC]
RewriteRule . https://%{HTTP_HOST}%{REQUEST_URI} [L]
Don’t forget to activate your rewrite module
a2enmod rewrite