Free Vps
The meaning of the word, VPS is virtual private server. The term free VPS means a free virtual private server. If you go for paid VPS, you will generally get a free trial version of one to three months. So technically this trial periods can be called as free VPS. But in reality it is not free VPS as we know it. The term free VPS has a very definite meaning. It is used for free Linux based software that makes it possible for you to use virtual private server technology.
There are two important concepts in free VPS technology. The first termed chroot() UNIX function and second is contexts. It is with the help of these two concepts that these free VPS system can give you complete isolation for virtual private servers. You can run any and all child processes not seeing other processes. These child processes will have their own roots. Every VPS will have its own IP address. Its system, files and processes will be fully protected.
UNIX “jails” are also based on this concept of chroot() system call. But there is problem. Some applications tell you to avoid this system. This system is not fully secure. On the contrary when you use contexts, your system is fully protected.
The context technology is very much important parts of this free VPS system. This means that host’s roots have complete control on its entire contexts. The basic chroot() functionality is made context dependent. And so it can not reach the host server’s root. Same is the case with both virtual sever processes and their child processes. This in turn means that the VPS processes can not see each other’s contexts. This makes free VPS system completely isolated and secure.
Linux is famous free system to use. There was a Linux server project already. Is there any difference in between these two Linux systems? Free VPS is actually an extension of this Linux server project. This means that all the basic features of this Linux sever project are already included in this free VPS system. And in addition to this there some extra features added to that concept. In free VPS system you get advanced context management. Now you can have VPS limits management in this free VPS system. You can manage limits for disc space. You can manage limits for virtual or resident memory. You can manage limits for number of running processes. You can manage limits for contrxt file handles. You can manage limits for TCP connections. This is possible because you have free VPS system. Free VPS solution is completely integrated with H-sphere hosting software. It provides you with web interface for your free VPS.
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