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Part 10 - Uninstalling Sendmail
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Well, the moment you've been waiting for is finally here. We're going
to uninstall Sendmail from the server. However, since Sendmail is such
a commonly used item among tons of server operations and cronjobs, you
will see that, after we uninstall Sendmail, we will actually make an
artificial Sendmail that is nothing more than a direct injection into
Qmail.
Anyway, let's uninstall it...
/etc/rc.d/rc.sendmail
stop (to stop Sendmail)
We will first attempt to uninstall the packages version of Sendmail, if
you have Sendmail installed as a package...
pkgtool
Select the "Remove" option.
The pkgtool will scan the sysem for installed packages. If Sendmail is
installed as a tgz package, you should see it on the list. You can then
uninstall Sendmail easily by selecting the Sendmail package with the
space bar, and then pressing "ok".
That's it. The Sendmail package should now be unintalled. Keep in mind
that if you ever wanted to re-install Sendmail, you could use the
"pkgtool" utility to do so.
However, if Sendmail does not show up on the "pkgtool" list, you may
have installed it from source. In that case, you will need to disable
Sendmail manually, like so:
mv
/usr/lib/sendmail /usr/lib/sendmail.old
mv
/usr/bin/sendmail /usr/bin/sendmail.old
mv
/usr/sbin/sendmail /usr/sbin/sendmail.old
chmod
0 /usr/lib/sendmail.old /usr/bin/sendmail.old /usr/sbin/sendmail.old
At this point, whether you had Sendmail installed as a package or from
source, it should now be disabled or uninstalled.
Now we will need to set up an "artificial" Sendmail, which is just a
symbolic link to qmail's Sendmail. This is needed to ensure that the
myriad of systemic mail scripts are still able to send mail! qmail's
"Sendmail" is nothing more than a direct injection into Qmail itself...
ln
-s /var/qmail/bin/sendmail /usr/lib/sendmail
ln
-s /var/qmail/bin/sendmail /usr/bin/sendmail
ln
-s /var/qmail/bin/sendmail /usr/sbin/sendmail
That's it! If all has gone well, Sendmail should be uninstalled and the
Qmail Sendmail should be in its place.
Now it's time to give qmail a final test and then crank it up!
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