Re: Simple HowTo
- From: Gene Poole <gene.poole@xxxxxxxxx>
- Date: Mon, 17 Dec 2007 10:11:48 -0500
Craig White wrote:
I suppose that's one way of looking at things.
Another way of looking at things is that they don't exist in a vacuum
and Linux software is like building blocks and thus software that
depends upon apache libraries knows where to find them and they are
matched in version and compatibility.
go ahead and install in /usr/apache and /usr/tomcat if you wish...it's
your box. Install location by years of convention from the roots of UNIX
clearly suggests that software compiled from source is installed
in /usr/local tree. Your comments strike me as someone who is willing to
endure pain in order to eschew convention...run with your instincts.
Another way of looking at things is that the package management of a
Linux distribution (i.e. Fedora or RHEL or Ubuntu or Debian or ???) has
the software packages all ready compiled and standardized as for file
locations, users, links for other libraries (and resolves compatibility
issues) and even does the extremely heavy lifting of installing errata
(bug fixes) and security updates quite simply.
Quite simply the reason to use a distribution like Fedora or Red Hat
Enterprise Linux is that you can simply do something like...
yum install httpd tomcat5
and you get the software and any required packages downloaded,
installed, configuration files into place, and ready to rock and roll.
yum update
would then update all packages on your system for which updates exist
You might be more into a system like slackware or linux from scratch
where you manage everything yourself. But of course, when security
updates come out for apache or tomcat, you would have to then download
and compile again. You take responsibility for your own installs.
Craig
Les Mikesell wrote:
If you want to use any packaged (rpm) programs you have to make sureme
that locally compiled programs don't conflict, so /usr/local works for
that - and is the default for most source installs.
Also, if they are going to do that then the documentation needs to tell
theahead of time what file systems need how much space since we divide up
hard disk before installing software.
I feel like I'm going backwards - use the provided RPM or else!
Or else it's your responsibility to keep it out of the way of the
packaged versions and rebuild it yourself every time it needs an update.
There are still some things where this is worth the trouble, but I
don't think apache and tomcat would be. What do you get with your own
build that isn't in the RPM version?
Craig:
I'm not raising up against RPM packaging. What I am concerned about is the
'migration' to a 'C:' drive in Linux. Let me explain:
Since you aren't telling me ahead of time where and how much space Java,
Tomcat, or Apache is going to need, I have no choice but to make a very
large '/' (root) partition which is the same as a 'C:' drive. Except
with M$, I can tell it to install on the 'D:' or 'E:' drive if I have
one.
Normally, since I haven't seen much go into /usr/local or /opt in the
past (RH8-9, FC1-4), I usually make them around 512 MB in size.
But now without any warning or documentation I may need a /usr/local or
/opt of maybe 2-GB.
Les:
I use the standard 'sudo yum update' today without problems.
What I have learned is that , unless it was installed with a RPM package (I
download the Apache, Tomcat, and Java binaries as tar.gz packages), it
doesn't get updated.
Thanks,
Gene Poole
gene.poole@xxxxxxxxx
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