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Re: apt-get update & upgrade

Jim Hyslop wrote:

Kent West wrote:
[...]

In short, there's too much that can go wrong if you don't pay attention,
so I personally would not go the route of automation. Others may disagree.

I was wondering if there would be any issues like that. Can you
elaborate a little on the kinds of things that might go wrong? I must
admit that when I do run apt-get update/upgrade, I don't always look
over things thoroughly.



Fer 'xample:
I just pulled an old box out of mothballs (having just had a mobo die on me in my regular box), and ran "aptitude update" on it. Here's the results: 


Get:1 http://http.us.debian.org unstable Release.gpg [189B]
Get:2 http://http.us.debian.org stable Release.gpg [378B] Get:3 http://http.us.debian.org testing Release.gpg [189B] Hit http://http.us.debian.org unstable Release Hit http://http.us.debian.org stable Release Get:4 http://security.debian.org stable/updates Release.gpg [189B] Hit http://http.us.debian.org testing Release Get:5 http://http.us.debian.org unstable Release [79.6kB] Hit http://security.debian.org stable/updates Release Err http://security.debian.org stable/updates Release Get:6 http://security.debian.org stable/updates Release [18.1kB] Ign http://security.debian.org stable/updates Release Get:7 http://http.us.debian.org stable Release [34.6kB] Ign http://http.us.debian.org unstable Release Get:8 http://http.us.debian.org testing Release [74.4kB] Ign http://security.debian.org stable/updates/main Packages Ign http://http.us.debian.org stable Release Ign http://security.debian.org stable/updates/contrib Packages 
Hit http://security.debian.org stable/updates/main Packages
Hit http://security.debian.org stable/updates/contrib Packages
Hit http://http.us.debian.org unstable/main Packages
Hit http://http.us.debian.org unstable/contrib Packages
Ign http://http.us.debian.org testing Release Ign http://http.us.debian.org stable/main Packages 
Ign http://http.us.debian.org stable/contrib Packages
Hit http://http.us.debian.org testing/main Packages
Hit http://http.us.debian.org testing/contrib Packages
Hit http://http.us.debian.org stable/main Packages
Hit http://http.us.debian.org stable/contrib Packages
Fetched 208kB in 2s (93.1kB/s)
Reading package lists... Done
W: GPG error: http://security.debian.org stable/updates Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A70DAF536070D3A1 W: GPG error: http://http.us.debian.org unstable Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A70DAF536070D3A1 W: GPG error: http://http.us.debian.org stable Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A70DAF536070D3A1 NO_PUBKEY B5D0C804ADB11277 W: GPG error: http://http.us.debian.org testing Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A70DAF536070D3A1 
W: You may want to run apt-get update to correct these problems
Granted, this particular problem would not hurt me in this case had the process been automated and continued, but the potential is there.
I've also had times when I wasn't paying attention and wound up removing all of KDE or other large subsets of functionality. I've since learned to pay a bit more attention. 

--
Kent
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