Date: Thu, 19 Jun 2008 14:12:48 -0400 From: "Maxim Khitrov" <mkhitrov@gmail.com> To: hartzell@alerce.com Cc: freebsd-isp@freebsd.org, FreeBSD Questions <questions@freebsd.org> Subject: Re: How do they do their VPS product? [was Re: FreeBSD based web hosting?] Message-ID: <26ddd1750806191112t78939fh1fe3d32a1d11a985@mail.gmail.com> In-Reply-To: <18522.35183.684254.289777@almost.alerce.com> References: <20080619003131.GF51002@dereel.lemis.com> <20080619032726.0603654b@epia-2.farid-hajji.net> <26ddd1750806181937y232d5b1dg5f84a66e81697b68@mail.gmail.com> <20080619034525.GA8205@shepherd> <18522.35183.684254.289777@almost.alerce.com>
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On Thu, Jun 19, 2008 at 12:29 PM, George Hartzell <hartzell@alerce.com> wrote: > Sahil Tandon writes: > > Maxim Khitrov <mkhitrov@gmail.com> wrote: > > > > > I'm currently with JohnCompanies. Overall, it's been a positive > > > experience, though I wish they offered FreeBSD 7. Beta testing for it > > > was supposed to begin last month, but so far no news. > > > > +1 for JC. The tech support and availability is unparalleled. Satisfied > > customer for over three years. > > Seeing JC advertise a FreeBSD VPS product reminded me of an itch I've > never been able to scratch. > > I know about jails at the simple end, and I know about VMware at the > complicated end, but I've never been able to figure out what technology > underlies the VPS offerings. > I'm not sure about FreeBSD 4.x, but with the more recent versions, the solutions I've seen were using jails, Xen, or VMWare. I tried running FreeBSD using Parallels a while back and didn't get very far. JC is using Jails. An easy way to tell is if you run 'ifconfig' and don't see the loopback address (127.0.0.1). This is a restriction of the jails system. Another hint is if you run 'mount' and see that the device mounted as / doesn't exist in /dev. The main disadvantage of jails is that you cannot mess with the kernel, but otherwise I think it's actually a better solution, in my opinion. Less resources are wasted with jails than with a full VM. A Xen or VMWare server will behave exactly the same as a physical machine. - Max
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