My ongoing experiences with Ubuntu, and later Mythbuntu, as a media center with MythTV. I'm also using the system for a virtual machine server, a mediawiki server and a general all around home infrastructure base.

Saturday, May 2, 2009

Upgrading Mythbuntu from 8.10 to 9.04

Time to upgrade my Mythbuntu box to 9.04 from 8.10. I followed the Network Upgrade directions.

Not unsurprisingly, update-manage-core was already installed, so on to the upgrade (only showing highlights):

# do-release-upgrade
...
8 packages are going to be removed. 82 new packages are going to be
installed. 731 packages are going to be upgraded.
...
What is the password for the MySQL administrator account 'root':
Hmmm. I just enter here, I got an error about a database connection being refused and the upgrade continued. AFAICT, it worked out OK.
...
Will you be using this webserver exclusively with mythweb? Yes

Configuration file `/etc/services'
==> Modified (by you or by a script) since installation.
Y or I : install the package maintainer's version

I got asked about apt-cacher.conf - I hit "D" to get diffs and I got an error and the install went on. Fortunately I got another chance at this later...

What would you like to do about smb.conf? I kept the local version currently installed
...
Configuration file `/etc/apt-cacher/apt-cacher.conf'
N or O : keep your currently-installed version
...
The ending of the upgrade did not look good:

--2009-05-02 10:23:29-- http://switch.dl.sourceforge.net/sourceforge/corefonts/andale32.exe
Resolving localhost... 127.0.0.1
Connecting to localhost|127.0.0.1|:3142... connected.
Proxy request sent, awaiting response... 403 Sorry, not allowed to fetch that type of file: andale32.exe
2009-05-02 10:23:29 ERROR 403: Sorry, not allowed to fetch that type of file: andale32.exe.

andale32.exe: No such file or directory

All done, errors in processing 1 file(s)
dpkg: error processing ttf-mscorefonts-installer (--configure):
subprocess post-installation script returned error exit status 1
Errors were encountered while processing:
ttf-mscorefonts-installer
I'm not sure what ttf-mscorefonts is, but doesn't seem to have any major impact.

Upgrade complete.

The upgrade is completed but there were errors during the upgrade
process.
Ok, not the best message at the end, but at leat things have finished.

First thing I noticed is I started getting emails from cron:
Subject: Cron [ -x /etc/init.d/mythtv-status ] && /etc/init.d/mythtv-status reload > /dev/null
Sorry, failed to fetch http://localhost:6544/xml.
Hmmm. Well, first things first, just on principle:
#reboot
System comes up fine in MythTV. Everything seems to be working well.

Hmmm, another email from cron:

Subject: Cron [ -x /etc/init.d/mythtv-status ] && /etc/init.d/mythtv-status reload > /dev/null
mv: cannot stat `/var/run/motd.new': No such file or directory
Update: This problem was caused by two cron jobs both trying to modify /etc/motd at the same time (every 10 minutes)! The update-motd cron job moves /var/run/motd.new out from underneath the mythtv-status job. You can see the two jobs in /etc/cron.d:
# grep 10 /etc/cron.d/mythtv-status /etc/cron.d/update-motd
/etc/cron.d/mythtv-status:*/10 * * * * root [ -x /etc/init.d/mythtv-status ] && /etc/init.d/mythtv-status reload > /dev/null
/etc/cron.d/update-motd:*/10 * * * * root [ -x /usr/sbin/update-motd ] && /usr/sbin/update-motd 2>/dev/null
I believe what should really be happening is myth-status should be run by update-motd every 10 minutes instead of independently. Here is what I did to make that happen:
# rm /etc/cron.d/mythtv-status
# cd /etc/update-motd.d/
# ln -s /usr/bin/mythtv-status 50-mythtv-status
Test it out...
# /usr/sbin/update-motd
# cat /etc/motd
Linux casey 2.6.28-11-generic #42-Ubuntu SMP Fri Apr 17 01:57:59 UTC 2009 i686
...typical motd stuff...

MythTV status for localhost
===========================
...typical mythtv-status stuff...

0 packages can be updated.
0 updates are security updates.
End Update.

Checked on vmware and it wasn't running. Usual problem:
# /etc/init.d/vmware start
VMware Server is installed, but it has not been (correctly) configured
for the running kernel. To (re-)configure it, invoke the
following command: /usr/bin/vmware-config.pl.
Usual fix:
# /usr/bin/vmware-config.pl
I took all the defaults. Afterwards, don't forget to fix /etc/vmware/config.

I then checked /usr/share/apt-cacher/apt-cacher-report.pl to see if I needed to patch it and it had been fixed in the distribution - yeah!

Well, I think that's it. Will update this post if I run into any more problems.

Update: This system also acts as my apt-cacher, and when I went to upgrade the next system I got "104 Connection reset by peer" errors. Turns out I had to use the new /etc/apt-cacher/apt-acher.conf file:
# cd /etc/apt-cacher
# mv apt-cacher.conf apt-cacher.conf.8.10
# cp apt-cacher.conf.dpkg-dist apt-cacher.conf
# /etc/init.d/apt-cacher restart
Restarting Apt-Cacher: apt-cacher.
For the record, here's the diff:

# diff apt-cacher.conf.8.10 apt-cacher.conf

26c26
< # optional setting, binds the listening daemon to one specified IP. Use IP --- > # optional setting, binds the listening daemon to specified IP(s). Use IP
40c40
< allowed_hosts="192.168.1.0/24,"> allowed_hosts=*
43c43
< # And similiarly for IPv6 with allowed_hosts_6 and denied_hosts_6. --- > # And similarly for IPv6 with allowed_hosts_6 and denied_hosts_6.
49c49
< # This thing can be done by Apache but is much simplier here - limit access to --- > # This thing can be done by Apache but is much simpler here - limit access to
112a113,117
> # This sets the interface to use for the upstream connection.
> # Specify an interface name, an IP address or a host name.
> # If unset, the default route is used.
> #interface=
>
125,126c130,131
< # To enable data checksumming, install libdbd-sqlite3-perl and set this option < # to 1. Then wait untill the Packages/Sources files have been refreshed once --- > # To enable data checksumming, install libberkeleydb-perl and set this option
> # to 1. Then wait until the Packages/Sources files have been refreshed once
133c138
< # apt-cacher server is beeing relocated (via apt-get's error messages while --- > # apt-cacher server is being relocated (via apt-get's error messages while
140,143c145,147
< # also the only method to use FTP access to the target hosts. The syntax is simple, the part of the beginning to replace, followed by a list of mirror urls, all space separated. Multiple profile are separated by semicolons < # path_map = debian ftp.uni-kl.de/pub/linux/debian ftp2.de.debian.org/debian ; ubuntu archive.ubuntu.com/ubuntu ; security security.debian.org/debian-security ftp2.de.debian.org/debian-security < path_map =" debuntu"> # also the only method to use FTP access to the target hosts. The syntax is
> # simple, the part of the beginning to replace, followed by a list of mirror
> # urls, all space separated. Multiple profile are separated by semicolons
146a151,163
> # path_map = debian ftp.uni-kl.de/pub/linux/debian ftp2.de.debian.org/debian ; ubuntu archive.ubuntu.com/ubuntu ; security security.debian.org/debian-security ftp2.de.debian.org/debian-security
>
> # Permitted package files - this is a perl regular expression which matches all
> # package-type files (files that are uniquely identified by their filename).
> # The default is:
> #package_files_regexp = (?:\.deb|\.rpm|\.dsc|\.tar\.gz|\.diff\.gz|\.udeb|index\.db-.+\.gz|\.jigdo|\.template)$
>
> # Permitted Index files - this is the perl regular expression which matches all
> # index-type files (files that are uniquely identified by their full path and
> # need to be checked for freshness).
> #The default is:
> #index_files_regexp = (?:Index|Packages\.gz|Packages\.bz2|Release|Release\.gpg|Sources\.gz|Sources\.bz2|Contents-.+\.gz|pkglist.*\.bz2|release|release\..*|srclist.*\.bz2|Translation-.+\.bz2)$
>
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