If you need to redirect users depending on their web browser, you can use this: RewriteCond %{HTTP_USER_AGENT} ^Mozilla.* RewriteRule ^/$ /homepage.max.html [R=301,L] RewriteCond %{HTTP_USER_AGENT} ^Lynx.* RewriteRule ^/$ /homepage.min.html [R=301,L] RewriteRule ^/$ … Read More »
When you want to insert a certain HTML code into one DIV you can use the following html code: html> <head> <title>Header&Footer import</title> <script src=”jquery-latest.js” type=”text/javascript”></script> <script type=”text/javascript”> function loadContent(id) { $(“#copy_header”).load(“http://mydomain.com/header.htm”); $(“#copy_footer”).load(“http://mydomain.com/footer.htm”); } </script> </head> <body onLoad=”loadContent();”> <div id=”copy_header” style=”width: 1000px; height: 150px;”> Header is loading.. </div> Lorem Ipsum is simply dummy text of… Read More »
#! /usr/bin/perl use CGI qw/:standard/; print “Content-type: text/htmlnn”; print “Modify the file:$file<br/><br/>”; $action = param(‘action’); if($action eq “”){ $file_content=””; open (MYFILE, “<“, $file); @lines=<MYFILE>; foreach $l(@lines){ $file_content.=$l; } close (MYFILE); print<<frm; <form action=”modify.cgi” method=”POST”> <textarea name=”file” cols=”150″ rows=”30″> $file_content </textarea> <input type=”hidden” id=”action” name=”action” value=”modify”> <br /><br /> <input type=”submit” value=”Modify!”> </form> frm } if($action… Read More »
Sometimes, you need to create other threads and let the main thread manage other threads. This is an example how to create a thread in Perl: #!/usr/bin/perl use threads; my $thr = threads->create(‘test’); sub test { REPEAT: print “This is a testn”; goto REPEAT; } #!/usr/bin/perl use threads; my $thr = threads->create(‘test’); sub test {… Read More »
Sometime, you don’t find the .so file that you need. In this case you must search for it’s source codes and try to comile it. To have this option, you must have httpd-devel / apache-devel installed on your Linux machine. apxs2 -c -I/usr/include/libxml2 -i mod_line_edit.c This will complile mod_line_edit.so Cheers,
When you want to create a symbolic link to a certain location all you have to do is ln -s /usr/local/apache/logs ./logs This will create a symbolic link inside current directory: logs which goes to /urs/local/apache/logs Cheers,
When you want to close a console, but you want to leave the program which runs active you must run the following commands: Ctrl + Z – this will put the process in background, but in inactive state bg – will activate the process in background If you want to bring it to front fg… Read More »
To show the kernel version all you have to do is to run the following command from console uname -r Cheers,
When you need to view all open ports from you Linux machine all you have to do is to run the following command in the console: netstat -tulpn Cheers,
Sometimes, you want to allow users to connect remotly to your MySQL server, all you have to do is to run the following command grant all privileges on *.* to ‘root’@’81.91.101.111’ identified by ‘password’ with GRANT OPTION; This will grant all privileges to user root and will allow him to connect from 81.91.101.111 Cheers,