[Discuss] Lessons learned tonight

[gaf at blu.org (Jerry Feldman)]

Agreed. I have a script that synchronizes all of our 19 VMs. However,
yesterday it copied our old resolv.conf and I don't use FQDN on the
automount maps :-)
Easy fix. Just a minor detail I forgot in our move from Newton to
Littleton.

On 08/28/2012 02:26 AM, David Kramer wrote:
> 1) Getting postfix/dovecot to do SSL/TLS and to share auth is a BITCH!
> The docs at https://help.ubuntu.com/12.04/serverguide/postfix.html are
> both insufficient and incongruous with the files acutally installed in
> 12.04.  Welcome to open source.
>
> 2) If you want to fool around with putting /etc in version control, do
> it BEFORE you muck things up so you can use it to restore and diff. I've
> thought about this before but never done it.
>
> I'm very familiar with Subversion and mercurial, but decided on Git
> because (1) you can't go on the internet on a non-porn site for 10
> minutes before someone mentions it, and (2) It puts it's dot control
> directory in one place, instead of putting one in every directory under
> its control, so I felt it had a lower likelyhood of causing problems.
> We'll see.
>
> 3) There are several descriptions out there on how you can get kubuntu
> into text mode and only start X when you want it.  Most of them are
> wrong.  (1) There is no option to do this from the login screen.  (2)
> Removing kdm from /etc/init.d/, remarkably, does not prevent it from
> running on startup, which is a clear violation on how upstart is
> supposed to work.  (3) You can, however, let it start, then do "service
> kdm stop".  Disappointing.
>
> 4) I am in very short order, happy with KDE.  I have configured it to do
> everything that I want with no problem.  The only exception is some
> equivalent to "gnome-do".
>
> 5) Once you get your SMTP system working, restore your spam filtering
> system FAST.  About 10%  of my inbox was in Russian and Chinese, and
> another 50% was selling me drugs or women, within a few hours.
>
> 6) Keeping my systems and backups simple really paid off, especially
> twice-daily database dumps with a simple mysqldump means they can be
> easily imported onto any system.  Backups in .tgz format simply work.
>
> 7) I *really* need to get back to a regular sleep schedule.  I've gotten
> more than 3 hours sleep a night only three or four nights in the past
> week and a half trying to get things working.  And the resulting errors
> have been a big problem.
>
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-- 
Jerry Feldman <gaf at blu.org>
Boston Linux and Unix
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