SVG - Scalable Vector Graphics

In HTML5

Editing Linux Firewall rules in shell mode

That could be done by editing /etc/sysconfig/iptables
Then restarting iptables service

To view open services in Firewall run:
iptables -L

Secure remote copy via scp

use scp command for copying remote files via ssh

displaying network neighbor's ip addresses

Use the DOS command:
arp -a

or use AngryIP utility: http://www.angryziber.com/w/Download

IE Iframe blocking third party cookie solution

http://adamyoung.net/IE-Blocking-iFrame-Cookies

Solution:


header('P3P:CP="IDC DSP COR ADM DEVi TAIi PSA PSD IVAi IVDi CONi HIS OUR IND CNT"');

?>

Using linux yum to download latest RPM packages

http://www.cyberciti.biz/faq/yum-downloadonly-plugin/

Tracing Apache startup failure

When starting Apache web server via "service httpd start" fails, we could check the error in /var/log/httpd/error_log.

Or, we can execute the application "httpd" from command line and read the text response.

Most likely failure happens as a result of syntax error in "/etc/httpd/conf/httpd.conf"