Hi
On Sep 26, 2006, at 8:40 AM, Don Munyak wrote:
re: ezjails, jails
Hopefully a quick question. I am researching using EZJails from
http://erdgeist.org/arts/software/ezjail/
But a little confused by the jail concept.
I think I need to setup two jails, one(1) for email services and
one(1) for www services, on a single server.
That will work
q. If I am running a webserver for more than one(1) domain, should I
be using a single jail for each domain, or is one jail needed for
'ALL' www processing ?
Up to you. Each jail requires its own IP address. There are things
that people do with jails with private IPs and packet forwarding and
stuff, but to keep it simple, consider that each jail needs an IP
address (public). If you have lots of them, and if each domain is
something someone else runs, or is based on totally different SW,
then you might consider separating them. If you own and run each
domain and they use a similar SW menu, then you may just run them out
of one jail using apache virtual hosts.
q. If I am using a jail for each domain, does this imply loading
apache+php+mysql, for each www jail ?
Yes. There are ways to share but until you are comfortable with
jails and what you are doing, it is easier to just load each one up
separately.
We run a ton of jails, one for each customer, and we share SW across
them in our own "/usr/public" read only area with each jail having
its own /usr/local/etc but to get it to work requires some
configuration work and understanding how it all works and some other
trickery...
q. Likewise with email and multiple domains, does multiple domains =
multiple email jails, as well as multiple copies of smtp, pop3,
webmail ??
You could but in most cases there is no reason to do that. Run them
all in 1 jail using one set of SW. Set up your SMTP server to
support multiple domains (I recommend exim).
q. Email and WWW services both require MySQL. Would I be installing
MySQL 'x' number of times?
Depends on how the SW accesses mysql but you can run multiple mysql
DBs out of one installation...
Chad
What I want to do is he following:
We are a small company, so email traffic is minial..ie. less than 500
messages per day.
Likewise, www traffic is also minimal.
I want to build a single server to be located at a co-location
facility.
This server would support both email and www services.
The email services would be built using instructions from
http://www.tnpi.biz/internet/mail/toaster.shtml
...that being stuff like qmail, RBL, spamassassin, clamav...etc
We have 5 separate domains for email services
The www services would be functionally similiar to LAMP
We have 5 separate domains for www
I would greatly appreciate any links or advice towards achiving my
goals.
Thanks
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---
Chad Leigh -- Shire.Net LLC
Your Web App and Email hosting provider
chad at shire.net
