https://tech.snathan.org/ 2026-04-27T18:36:12+00:00 https://tech.snathan.org/ https://tech.snathan.org/_media/wiki/dokuwiki.svg text/html 2014-11-15T15:13:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://tech.snathan.org/tech/apache/apache_reverse_proxy?rev=1416064423&do=diff Resources for Apache Reverse Proxy A thread The guide Sample configuration Listen 80 NameVirtualHost *:80 #Repeat below section for each proxy <VirtualHost *:80> ServerAdmin someone@example.com DocumentRoot /var/www/html ServerName abc.xyz.example.com ServerAlias yyy.example.com # mod_proxy setup. ProxyPreserveHost On RequestHeader unset Authorization ProxyRequests Off ProxyPass / http://somelocalserver:7503/ ProxyPassReverse / http://somelocalser… text/html 2014-11-15T15:13:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://tech.snathan.org/tech/apache/apache_ssl_error?rev=1416064423&do=diff Multiple SSL Virtual Hosts on one IP If you get this error: [Tue Sep 08 22:42:28 2009] [warn] Init: SSL server IP/port conflict: *.examplewebsite.com:443 (/etc/apache2/sites-enabled/2000-catch-all:24) vs. examplewebsite.com:443 (/etc/apache2/sites-enabled/2010-default:59) [Tue Sep 08 22:42:28 2009] [warn] Init: SSL server IP/port conflict: ytest.examplewebsite2.com:443 (/etc/apache2/sites-enabled/1200-ytest:34) vs. examplewebsite.com:443 (/etc/apache2/sites-enabled/2010-default:59) [Tue Sep 0… text/html 2020-08-03T11:27:44+00:00 Anonymous (anonymous@undisclosed.example.com) https://tech.snathan.org/tech/apache/apache_webserver_tuning?rev=1596454064&do=diff Apache Web Server Tuning Change default Apache prefork to event module. For Ubuntu <https://www.interserver.net/tips/kb/apache-php-fpm-ubuntu-18-04/> a2dismod mpm_prefork a2dismod mpm_worker a2enmod mpm_event systemctl restart apache2 With PHP aptitude install php-fpm libapache2-mod-fcgid a2enmod proxy a2enmod proxy_fcgi a2dismod php7.4 a2enconf php7.4-fpm a2dismod mpm_prefork a2dismod mpm_worker a2enmod mpm_event systemctl restart apache2 text/html 2014-11-15T15:13:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://tech.snathan.org/tech/apache/enabling_mod_security?rev=1416064423&do=diff Steps to Enable mod_security (mod_security2) in Hardy Ubuntu Linux Hardy does not have a precompliled apt-get package for mod-security. So here is how to do this manually. Stop Apache /etc/init.d/apache2 stop Enable UNIQUE_ID module a2enmod unique_id text/html 2014-11-15T15:13:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://tech.snathan.org/tech/apache/log_parsing?rev=1416064423&do=diff Parsing Apache Logs Below are some simple awk/sed/etc command line scripts to parse apache logs and get quick statistics Unique visitors per day Where access.log is your combined log file with typical format as below: 69.175.xxx.yyy - - [13/Jul/2013:06:28:31 -0500] "GET /some/web/folder/somewebpage2 HTTP/1.0" 404 4212 "http://somesubdomain.example.org/some/web/folder/some_web_page1" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/13.0.782.112 Safari/535.1" … text/html 2014-11-15T15:13:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://tech.snathan.org/tech/apache/md_files?rev=1416064423&do=diff Markdown Handler - Apache handler for .md files, written in PHP Reference <https://github.com/sminnee/markdown-handler> Install/Configure Assuming your webroot is /var/www svn export https://github.com/sminnee/markdown-handler.git/trunk/ /var/www/ --force Contents of .htaccess file cat /var/www/.htaccess.txt text/html 2014-11-15T15:13:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://tech.snathan.org/tech/apache/redirect_to_https?rev=1416064423&do=diff In order to auto redirect from http to https (SSL) add the following lines to your .htaccess file: RewriteEngine On RewriteCond %{HTTPS} off RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} Keywords certificate secure socket layer