IT information - The Solar Systems Limited

PPTP VPN setup on CentOS 6.4

By webmaster 22 November 0

There’re three models for setting up VPN servers for remote client access as PPTP, L2TP, and OpenVPN. The below is described about the PPTP 1. Installation: At the “root” privilege, Installing PPP #yum install ppp To install pptpd #cd /usr/local/src #wget http://poptop.sourceforge.net/yum/stable/packages/pptpd-1.3.4-2.el6.x86_64.rpm #rpm -Uhv pptpd-1.3.4-2.el6.x86_64.rpm To check the latest version of pptpd, please visit http://poptop.sourceforge.net/yum/stable/packages/ […]

How to create a new guest (virtual machine) by CLI on Xen

By webmaster 01 September 0

How to use command lines to create a new guest (virtual machine) on XEN The command is “virt-install”. The sample executing command as below $virt-install -p -n vs2 -r 512 -f /home/vs2.img -s 8 -l http://repo.cloudhosting.com.hk/centos/6/os/x86_64/ -w bridge:xenbr0 –vcpus=1 Description: to create a new VM named “vs2” with 512MB RAM, image-file at /home/vs2.img, image-size as […]

Using VLC 2.0.x and ffmpeg to transcode HTTP streams to RTMP

By webmaster 10 June 0

This application is applied to transmit HTTP streams to Adobe Flash Media Server or Wowza Media Server by using RTMP protocol. According to Wikipedia: “Real Time Messaging Protocol (RTMP) was initially a proprietary protocol developed by Macromedia for streaming audio, video and data over the Internet, between a Flash player and a server. Macromedia is […]

Turn-key solutions for streaming media platform

By webmaster 05 April 0

Turn-key solutions provide head-end system, broadcasting platforms, and customer devices; in addition, we offer Internet connectivity, servers, cloud-computing, and associated services in the greater China region. One-stop-shopping solutions What we can be offering Head-end platforms: Integrated Receiving Devices (IRD): including devices for receiving satellite and terrastrial signals, converters, and related components. Encoders and Transcoders: Software […]

Change Default URL of phpMyAdmin

By webmaster 05 April 0

Lots of webmasters use MySQL as the major database system, and phpMyAdmin can be the best option for managing their database. However, it’s default URL is very simple but unsecured as http://yourwebaddress/phpmyadmin. How to change the URL more secured? please trying below Find apache.conf file of phpMyAdmin, regularly, it’s under /etc/phpmyadmin/ on Linux environment. Please […]

Roku-3 news from TechPublic

By webmaster 21 March 0

Roku 3 gets an redesigned interface, sleeker look http://www.techrepublic.com/photos/roku-3-gets-an-redesigned-interface-sleeker-look-pictures/6407773?seq=7&tag=thumbnail-view-selector;get-photo-roto New for the Roku 3 is also the ability to choose different themes for the background and user interface elements. Roku also purposefully added weight to the Roku 3, coming in at 5 ounces, compared with the 3-ounce Roku 2 XS. That extra heft gives the […]

How to stream from Wowza to Justin.tv for better quality of streams

By webmaster 07 January 0

The streams on a Wowza Media Server are configured with profile=high, level=5.1, and 720p HD quality. And, how to duplicate streams to some on-line live-streaming service providers like Justin.tv and Ustream? Here’s a configuration for Linux and Windows as below Attention: To assure the same quality as the source, I do not use any TRANSCODING […]

HTML5 vs Native Apps?

By webmaster 22 December 0

On reading the article posted on BI as This LINK Although the HTML5 technology was done just few days ago, there’ll LOTS of stuffs for future development; and after all, this new technology is not quite mature for the commercial purposes. Just think about the history of Open-systems and commercial ones on the battle of […]

How to rescue and re-install Ubuntu after it’s crashed/terminated on upgrading.

By webmaster 27 November 0

Using LiveCD to boot the system, or Download Puppy Linux (http://www.puppylinux.com/flash-puppy.htm) Build USB Puppy Linux udevadm trigger is not permitted while udev is unconfigured The solution is to use a live-CD to mount the system (or boot from a completely separate installation), mount the failed OS partition(s), and complete the update process: Commands listed as […]

Five Inexpensive 3rd-party VPN client

By webmaster 09 October 0

The original link from TechRepublic… Many businesses depend upon the ability to access their servers and documents from multiple locations. To enable that, many take advantage of the Virtual Private Network (VPN). When proposing this to end users, it is very often met with fear and uncertainty. It is change and people don’t like change. […]

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