Never forget to backup!

For security reasons you should add four new keys to your wp-config.php in the root directory of your WordPress installation. The easiest way to generate the keys  is to use the key generator from wordpress.org. Copy the generated keys to your wp-config.php and finally log in again to wp-admin. As a result you will recognize the update wp-admin skin.

This is the case when you have e.g. a Canon 5D Mark II or Nikon D3S. What helps is a upgrade of Adobe Camera Raw. This can be done either manual using the download from Adobe or using the upgrade function in Photoshop (Help->Upgrades).

The update from Photoshop version 11.0 to 11.0.1 should also be done, a few stability issues should be fixed.

CS3 users will have a problem because Adobe Camera Raw is no longer developed for CS3. If you really want to use RAW/NEF then a upgrade to CS4 seems to be needed.

As you know only the early bird catches the worm, I immediately decided to update one server to Lenny. Sure, sometimes the worm isn’t delicious but if you are dealing with IT stuff you will know this kind of bad tasting worms already.

Okay the good news are: The worm wasn’t bad tasting in this case. Find my upgrade report below.

Upgrade Procedure

First I started with:

apt-get update

And received the error message:

There are no public key available for the following key IDs: 4D270D06F42584E6

Which means we need to get a new public key:

gpg --recv-key --keyserver wwwkeys.eu.pgp.net 4D270D06F42584E6
gpg --export 4D270D06F42584E6 | apt-key add -

or optionally with (not tested):

apt-get install debian-archive-keyring

Fine, next apt-get update was done again and several packages have been updated. It was prompted if a new /etc/mysql/my.cnf should be installed or my old one should be kept. I decided to keep my old one.

Afterwards I upgraded the distribution with apt-get dist-upgrade and many packages have been downloaded and installed.

For several config files it is again prompted if the old one should be kept or overwritten. I decided to backup to old configuration files and overwrite them with the new ones from the current distribution. I wanted to make sure that I don’t run into conflicts. Using this way the upgrade is performed very quick.

In the next step I adapted all my changes from backuped config files into the new ones. In my case mainly the Apache2 and MySQL configurations.

Apache2

After doing this Apache2 started with the message “NameVirtualHost *:80 has no VirtualHosts” and no one of my virtual hosts was recognized. I resolved this issue by changing the file /etc/apache2/sites-enabled/000-default and /etc/apache2/ports.conf. Within both files I’ve changed declarations “*:80″ to “*”:

/etc/apache2/sites-enabled/000-default

<VirtualHost *>

/etc/apache2/ports.conf

NameVirtualHost *

Note that all your virtual host configurations also have to be defined with “<VirtualHost * >”.

APT

To receive the updates for “Lenny” edit the file /etc/apt/sources.conf and change the line:

deb http://security.debian.org/ etch/updates main contrib non-free

to

deb http://security.debian.org/ lenny/updates main contrib non-free

Grub

One special thing on my server here (Strato root server) is the Grub configuration. The server is configured with SATA RAID 1, therefore partitions are mounted on /dev/md0 and /dev/md1. After every kernel update I manually change the /boot/grub/menu.lst file. Here I copy the two parts for the latest running kernel and simply adjust the kernel versions:

title           Debian GNU/Linux, kernel (2.6.26-1-686)
root            (hd0,0)
kernel          /vmlinuz-2.6.26-1-686 root=/dev/md1 ro console=tty0 console=ttyS                   0,57600
initrd          /initrd.img-2.6.26-1-686
savedefault
boot

title           Debian GNU/Linux, kernel (2.6.26-1-686, recovery mode)
root            (hd0,0)
kernel          /vmlinuz-2.6.26-1-686 root=/dev/md1 ro console=tty0 console=ttyS                   0,57600 single
initrd          /initrd.img-2.6.26-1-686
savedefault
boot

Finally reboot and your issue will show “Debian GNU/Linux 5.0″.

• Improved performance/stability of Safari browser
• Fixed some issues with pictures attached in e-mails

Not so much news. Updated runs for me without any problems.

Users with unlock and/or jailbreak should inform themselves before updating, usually the jailbreak will no longer work after the update until there is a new jailbreak available.