Backups allow you to restore the availability and integrity of information resources following security breaches and accidents. Without a backup, you may be unable to restore a computer's data after system failures and security breaches. It is important to develop a plan that is broad enough to cover all the servers you plan to deploy. We must determine what categories of files will be backed up. For

Date command is use to print or set the system date and time under Linux/Unix like operating systems. However some time you need to include today’s date in shell script. You need to use command substitution in your shell script to display today’s date. Bash/sh shell performs the expansion by executing command and replacing the command substitution with the standard output
of the command, with any trailing newlines deleted. Command substitution allows the output of a command to replace the command name. You can use following syntax:

$(command)

OR

`command`

There are many situations in which you may want to run different command in your shell script depending on requirements and circumstances. So how do you select and run a command?

The old way…

The old way is use the case statement or if..else..fi command. For example:

#!/bin/bash
if [ this -eq that ];then
   command1
else
   command2
fi

The new way…

BASH allows you to assign or store a command name in a variable. For example create a variable called CMD:

If you get:

error: Failed dependencies:
        libXp.so.6()(64bit) is needed by java-1.5.0-sun-1.5.0.11-1jpp.x86_64
    Suggested resolutions:
        /home/buildcentos/CENTOS/en/4.0/x86_64/CentOS/RPMS/xorg-x11-deprecated-libs-6.8.2-1.EL.13.37.x86_64.rpm


Run this:

yum install xorg-x11-deprecated-libs

*This HowTo is not complete yet.

There are several ways to get a Java Virtual Machine installed on CentOS 4 or 5. The requirements for having a "Java environment" are different between servers and desktop users. Often desktop users need Java only to execute a few programs (including Java applets inside Mozilla Firefox).

视频录制是FCS经常会用到的一个功能，其中重要的一点是要评估视频录制的带宽需求来采用合适的尺寸和速率。
其大致的算法是：
视频宽度 x 视频高度 x 播放速率 (fps) = 总的带宽( bits/sec)
但是要注意的是，在使用FCS录制的时候，使用的是Bps，而不是kbps，要转换（8 bits ＝1 byte ）
打开比方，使用320×240的视频窗口以30fps的速率录制，其带宽消耗计算：
320 x 240 x 30 fps = 2.3 Mbps ＝ 288,000 Bps

Yes, of course.

The code is taken from the error from FlashComm help. When MM released 
FCS they forgot to delete the help about screensharing, it's not indexed 
but if you click next arrow continuosly you'll find some pages that are 
not on the index:

<code>
var cam = Camera.get("Screen");
video_instance.attachVideo(cam);
</code>

If you compile this you'll get a compiler error. Just compile for AS1 or 
change the intrinsic class of Camera. Change the line:

<code>  

要搞大型的FMS视频语音应用（譬如：视频聊天、视频会议），就目前的情况而言，必须使用FMS集群以实现均衡负载，网上关于这方面的资料很少，并且很多只是简单描述，让人摸不着头脑，下面是我为某个项目制定的一个集群方案，现在抛出来跟大家交流一下，您如果有更好的方案，请跟贴讨论：

有关FMS（FCS）设置


(转载自闪客帝国）

[原文出处]

http://www.adobe.com/devnet/flashcom/articles/opt_videoconf.html

利用System.Product可以下载到MM一些好玩的东东，方法如下：
//下载Breeze插件
var myDownLoad = new System.Product("BreezeAddIn");
//var myDownLoad = new System.Product("BreezeAddIn5x0");
//下载Central
//var myDownLoad = new System.Product("Central");
//下载最新插放器
//var myDownLoad = new System.Product("fpUpdatepl");
//下载最新插放器插件
//var myDownLoad = new System.Product("fpUpdateax");
myDownLoad.onStatus = function(info) {

screenSharing是每一个FCS开发者的梦想，不过这个梦想仿佛有些遥远，因为MM（还是MM吗？）对外发布的Player都不支持该功能。
用过Breeze的朋友都知道，它是支持screenSharing的，那它又是如何工作的呢？
通过查找资料，笔者对此有了一些了解，今天写出来，与大家分享。。。

第一步，下载BreezeAddIn播放器，代码如下：
myDownLoad = new System.Product("BreezeAddIn");
myDownLoad.download();