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Topic: Ubuntu 10.04 LTS update

Hi, I really like until use iredmail.
Question
I have a iredmail 0.6.1
ubuntu 10.04.2 LTC
done today apgreyt system, and have not looked - I was asked to update postfix
I was frightened when postfix wanted to update - I thought I had lost all settings.
I rebooted the system and found that it works so far.
upon request
~sudo apt-get upgrade
gives
0 upgraded, 0 newly installed, 0 to remove packages and 0 not upgraded.

but monitorenge system issues
Ubuntu 10.04.2 LTS

Welcome to Ubuntu!
  * Documentation: https: / / help.ubuntu.com /

   System information as of Thu Apr 28 10:28:21

   System load: 0.03 Processes: 179
   Usage of / home: 21.0% of 13.93GB Users logged in: 0
   Memory usage: 53% IP address for eth0: 10.12.1.1
   Swap usage: 0%

   Graph this data and manage this system at https: / / landscape.canonical.com /

27 packages can be updated.
12 updates are security updates.

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here in general and the question of IREDMAIL protected from UPGRADE system, if so, how?
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2

Re: Ubuntu 10.04 LTS update

clean downloaded archives, update caches, test for upgrades

apt-get clean
apt-get update
apt-get upgrade

maybe you want to wait a few hours as the package-information provided on login is not updated on every login!

remember to always keep a backup of your /etc wink