基于剑桥大学的Xen虚拟化技术,亚马逊的弹性计算云(Elastic Computer Cloud——EC2)是一个允许用户按需创建、启动、停止基于Linux的服务器实例的计算服务。每个虚拟机实例是一个虚拟的私有服务器,它在启动时通过DHCP获取一个IP地址。虚拟机镜像——亚马逊称之为Amazon Machine Images(AMIs),可以像VMware的虚拟设备那样被存档和传输,因此开发者可以安装一个所需软件的初始实例并快速将其部署到许多虚拟服务器上。
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用路由器统筹HOSTS文件(支持泛域名解析)
由于众所周知的原因,大量国外网站和网络服务无法在国内直接访问。相对于使用代理服务器,修改hosts文件使用dropbox相对方便的多。但如果手头电脑众多,分别修改hosts文件的确是件麻烦的事(每次修改就要弄n便)。如果这些电脑都使用路由器(固件为tomato,dd-wrt等系统),今天就请各位跟我一起用路由器统筹管理HOSTS文件吧。
用Dropbox在虚拟主机上备份网站
虽然目前从国内访问Dropbox有小小困难,但是从国外访问还是正常的,对于拥有国外Linux虚拟主机的用户,可能会遇到这样的需求,就是如何将国外虚拟主机上的网站备份到Dropbox上,下面我以Dreamhost为例介绍一下备份的方法。 继续阅读“用Dropbox在虚拟主机上备份网站”
修改Hosts文件使用Dropbox
DropBox是全球最大云存储服务商之一,最主要的还是同步多台电脑数据功能,并提供版本恢复和删除恢复功能,DropBox占用的系统资源也非常低,可谓非常强大,但是DropBox从5月开始就因为未知的原因不能访问,DropBox客户端也无法使用。
The comparison among cloud servers, VPS and dedicated servers
With the progress of technology, webhosting have developed from dedicated servers, VPS to cloud severs. This article will analyze the differences among them from following aspects.
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免费试用Cloud VPS
一周多前看到一家英国的公司招募云技术VPS的试用者,由于比较新奇,所以也申请了一个,今天发来了VPS开通的邮件,把测试的过程给大家说说~
50款流行安全软件的开源软件替代品
当您将商业办公软件替换成开源版本时,可能没有什么难度,但是当您想将商业安全产品替换为开源版本时,您还真得做点儿工作。
您可能需要整合数个开源工具还能获得一个商业软件中的功能。或者,在使用开源程序之前,您需要学习一些基础技术才行。
然而,开源安全工具也提供了很大的灵活性——更不要说成本优势了。对源码的访问可以使您获得对网络功能的完全控制。
在这份列表中,我们编辑整理了一个开源安全工具集,以及与之相对应的商业软件。需要注意的是,我们并不是说开源软件具有商业软件所具备的所有相同功能和使用方法。
同样的,我们要说,他们为最终用户提供了一些值得考虑的好处,特别是对小型企业来说,可以大大的缓解他们的财政预算。 继续阅读“50款流行安全软件的开源软件替代品”
Los Angeles Melrose Movers–RR Opportuni
Melrose Moving is a Moving Companies in Los Angeles that provides commercial and residential moving services at budget prices. They make it their priority to help the La Movers have an easy and stress-free moving experience, and do their best to eliminate the stress often involved with moving one’s residence or business office.
The way they accomplish this is by excelling in customer service; they always do their best to make sure customers feel at ease about their move before, during, and after the move. Melrose Moving will spend the time to explain all prices and policies ahead of time, so that you are not faced with any surprises or unexpected fees during the move. La Movers will strive to always arrive on time, and work in an efficient pace, while being careful to wrap and transport your belongings as safely as possible. After the move is complete, you can always contact the comany with any additional questions or comments. They know that the belongings you are entrusting to our care are irreplaceable and often hold sentimental value, therefore, Melrose will treat them with the same care and respect we would our very own.
they offer a wide variety of local moving services that are designed to get you from point A to point B with as little headache as possible. If you’re in the process of moving, give them a call today for a free estimate or moving quote at 1-800-431-3920, or 1-818-442-2007. You will soon see why Melrose Moving is Los Angeles’s #1 Moving Company Los Angles.