Hi Nicolai,
Am 19.11.2009 um 08:23 schrieb Nicolai Schwindt:
[...]
There's a user request to create symlinks from /usr/bin to
/opt/csw/bin, for instance, /usr/bin/lpr --> /opt/csw/bin/lpr.
I think it's not good.
It will fail in a zone with global /usr.
It is a purely optional package that depends on cups and its whole
purpose
is to replace the SysV-lp system. Nothing more. If you don't want the
system replaced you don't install this package. We may choose a
slightly
modifed prefix like
CSWScups (CSW Solaris cups)
or something to mark that it doesn't install in /opt/csw but replaced
Solaris core functionality.
Which I can do by adjusting the order of my PATH elements.
Nothing belongs in /usr besides what SUN puts there.
The problem start when you have binaries that explicitly call /usr/bin/
lp
which are distributed as binaries and you want CSW CUPS as print system.
The zones are are an example where this fails, and also the fact
that I've
seen several customer
mount /usr read only.
Besides that, it is law - at least to me - that's why there is /opt.
This is not linux !
Also I do not see cupsclient as purely optional. CSWcupslibs gets
pulled in on
behave of several
packages. To be able to verify you setup one will need
CSWcupsclient. The
actual printing can
be done with the onboard toolchain.
The idea is to have an ADDITIONAL package which depends on the cups
client
package, provides the links from the original Sun lp-system to /opt/csw/
and be incompatible with the existing print packages.
Apart from that - what happens to /usr/bin/lpr, is it deleted ? Is
SUNWpcu
deinstalled ?
You must deinstall the Solaris packages first, than add the link
package.
Before making such modification one should think about making his on
distribution rather than
build packages for an existing one.
The idea is to have a supported system and replace the outdated parts
with
usable replacements. This would be cups here.
So again: This is meant as an add-on. Optional. Which you may or may not
install and install only if you want to replace the original print
system.
If you don't want to replace the original print system you install the
other
cups packages, but not this one.
Best regards
-- Dago
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