how i do i copy all files from dir to another dir and escape file already exist and not overwrite it , using cp command under linux centos

I want to buy 256 Ips from a provider. How could I use them on my dedicated server?

Hi, we have a product that may help with documenting servers, SQL instances, Active Directory, Microsoft Clusters etc. There is a free version for smaller networks, otherwise it is charged per item documented. http://centrel-solutions.com/xiaconfiguration/

Is there any feature of squid to limit the total bandwidth for every user?

My Windows Command Line didnt recognize the command openssl. Therefore I downloaded it from here http://deanlee.cn/programming/openssl-for-windows. But now, everytime I want to use this openssl tool, I have to write the following into my commandline: http://deanlee.cn/programming/openssl-for-win...