Re: Restore point needed

2012-07-08 Thread Camaleón
On Sat, 07 Jul 2012 19:49:10 +0200, Slavko wrote:

 Dňa Sat, 7 Jul 2012 14:44:53 + (UTC) Camaleón noela...@gmail.com
 napísal:
 
   I send a mail but I was'nt suscribe.
 
 There's no need to be subscribed to post to this mailing list, I
 neither am.
 
 IMO, this is notice about CC, because he will not get the ML responses.

I get replies and still not subscribed ;-)

Hint: mailing list archives and/or nntp do the trick.

Greetings,

-- 
Camaleón


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Re: Restore point needed

2012-07-08 Thread Gary Dale

On 07/07/12 11:01 PM, cletusjenkins wrote:

 On Sat, 07 Jul 2012 07:57:52 -0700 Gary Dalegaryd...@rogers.com  wrote 

  
  
  Windows needs restore points because you can't easily separate 
out user settings from system settings and trying to restore a corrupted 
system is a major pain. You can't even easily figure out which particular part 
of Windows is going wrong. Generally you end up having to search Microsoft's 
knowledge base to find out what causes which problem.
  
 With Linux, restoring is fairly quick and easy - not to mention 
rarely needed. Generally you can fix individual packages thanks to its modular 
structure, open sources and mature diagnostic tools.
  

Those advantages of linux and debian in particular I think would make this much easier to 
implement than under windows. And could make things easier for non-computer people if 
they tinker beyond their ability. It might be a good learning event for them, but so many 
people, even those who like to tinker, can easily get to the (admittedly whiny) point of 
why doesn't this just work!!
People can always complain. However the why doesn't this just work!! 
is more appropriate for Windows than for Linux. In Linux, my printers, 
even the old ones, are recognized, as are all my other devices. In 
Windows, I often have to hunt down arcane drivers to get something to be 
detected properly.


While Windows 7 is said have resolved this (indeed, an editor recently 
said so in a published reply to my e-mail on the subject), in fact it 
only properly recognizes recent devices. Linux just works with far 
more devices than Windows, in addition to being able to run on older 
hardware.


Debian stable is a masterful piece of work. It doesn't need a failsafe. 
However, I believe you have a point about some of the more frequent 
release distros. Ubuntu comes to mind as something that needs a rollback 
mechanism. Unfortunately, the ability to roll back a LTS release would 
take gigabytes of storage.


This is something that Windows doesn't allow either. Once you upgrade, 
you're stuck with the new release.


The more mundane bug-fix upgrades are invariably safe while new software 
installs can generally be undone by removing the packages.



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Re: Restore point needed

2012-07-08 Thread Camaleón
El 2012-07-07 a las 19:54 -0700, cletusjenkins escribió:

(resending to the list)

   (www.higiene.edu.uy). 
I think - if possible for developpers -, that a restore point could be 
a great step forward. 

   Uh? You man something like the Windows restore points? I've seen nothing  
   like that for Linux but yes, it would great for users having a similar  
   option although I barely have used it, in Windows, I mean. 
 
 With debian's packaging system, it could (in theory) be easy code 
 something to save copies of configuration files somewhere. If a 
 problem was found, the rolling back to the restore point could 
 basically be reinstalling the old deb for the package (or possibly 
 restoring saved copies of the original binaries along with the config 
 files) then restoring the old config files. Making this play nice with
 with dpkg with pinning or some other method might be a bit tricky 
 though. But then again I am NOT a developer.

Yes, I see no technical problem for having such option here but 
regardless the possibility on having that tool (not available yet) you 
still can make use of the snapshot repository to get an older deb 
package, for instance, when an upadate renders the new one unusable or 
simply is broken.

Anyway, using the stable version of Debian (now Squeeze) should prevent 
for that things to happen because only security patches are going 
through the update routine and that's precissely one of the reasons for 
recommending stable releases for production systems and servers: things 
break less :-)

 My job requires me to do a lot of work with windows machines and 
 although I do not use restore points it is an interesting idea. I used
 it once on a friends laptop he got infected and it wasn't nearly as 
 perfect as microsoft claims, it did get them system in a semi-working 
 situation where I could clean the virus out (prior to that the virus 
 had hijacked all major binaries so I couldn't get online, get a 
 command prompt or even browse the harddrive!!).

Yes, I also have a bunch of windows systems to administer so I also 
have faced malware situations but in my case, restore points were of no 
use becasue of the nature of the malware (viruses are eaiser to remove 
but rootkits are a real pain and you can't get rid of them by restoring 
the system to a previous state...).

 Part of my job is to push security patches to (non-virtual) windows 
 hosts, if we introduce a problem with the patches we have a Ghost 
 network that can push out a Known good image and run a script to 
 set the machines specific host info. It can be bit of hassle trying to
 get the specific apps (proprietary telco stuff) back, but it is a lot 
 faster than trying to manually fix a bunch of systems.

That's similar to what virtual machines provide by menas of the 
snapshots, which I also find really useful.

Greetings,

-- 
Camaleón 


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Re: Restore point needed

2012-07-07 Thread rjc
On Fri, Jul 06, 2012 at 11:23:23PM BST, Leo wrote:
 Hi!:
  I send a mail but I was'nt suscribe.
  I am from Uruguay, We use Linux system till a lot of years in our servers. 
 (www.higiene.edu.uy).
 I think - if possible for developpers -, that a restore point could be a 
 great step forward.
  When I make an : aptitude safe-upgrade, never I will now if I will have same 
 problems or now. If iIhave troubles, I c'ant revenir en arriere, (come 
 back).
 Thank you for pay attention at this sibject.

Use 'etckeeper' to keep your /etc configuration files in a VCS[0].

[0] git, hg, ...

Regards,
-- 
rjc


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Re: Restore point needed

2012-07-07 Thread Armin Haas
On Fri, Jul 06, 2012 at 07:23:23PM -0300, Leo wrote:
 I think - if possible for developpers -, that a restore point could be a 
 great step forward.
  When I make an : aptitude safe-upgrade, never I will now if I will have same 
 problems or now. If iIhave troubles, I c'ant revenir en arriere, (come 
 back).
 Thank you for pay attention at this sibject.

Did you already consider using LVM and its snapshot capability?

Cheers

Armin


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Re: Restore point needed

2012-07-07 Thread Camaleón
On Fri, 06 Jul 2012 19:23:23 -0300, Leo wrote:

 Hi!:

Hi Leo but please, avoid using html formatted posts. Thanks.

  I send a mail but I was'nt suscribe.

There's no need to be subscribed to post to this mailing list, I neither 
am.

  I am from Uruguay, 

Bienvenido pues :-)

There's a Spanish speaking mailing list (debian-user-spanish), you can 
also post to there, in Spanish, of course.

 We use Linux system till a lot of years in our servers. 
(www.higiene.edu.uy).
 I think - if possible for developpers -, that a restore point could be
 a great step forward.

Uh? You man something like the Windows restore points? I've seen nothing 
like that for Linux but yes, it would great for users having a similar 
option although I barely have used it, in Windows, I mean.

  When I make an : aptitude safe-upgrade, never I will now if I will have
  same problems or now. If iIhave troubles, I c'ant revenir en arriere,
  (come back).

Well, that's what virtual machines and clone testing machines are for: 
before applying an update (or dist-upgrading the production servers) you 
first try in the testing computers to see how it goes; should it fails, 
you stop and analyze what went wrong before proceeding with the rest of 
the systems :-)

Greetings,

-- 
Camaleón


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Re: Restore point needed

2012-07-07 Thread Gary Dale

On 06/07/12 06:23 PM, Leo wrote:

Hi!:
 I send a mail but I was'nt suscribe.
 I am from Uruguay, We use Linux system till a lot of years in our 
servers. (www.higiene.edu.uy http://www.higiene.edu.uy).
I think - if possible for developpers -, that a restore point could 
be a great step forward.
 When I make an : aptitude safe-upgrade, never I will now if I will 
have same problems or now. If iIhave troubles, I c'ant revenir en 
arriere, (come back).

Thank you for pay attention at this sibject.

Windows needs restore points because you can't easily separate out user 
settings from system settings and trying to restore a corrupted system 
is a major pain. You can't even easily figure out which particular part 
of Windows is going wrong. Generally you end up having to search 
Microsoft's knowledge base to find out what causes which problem.


With Linux, restoring is fairly quick and easy - not to mention rarely 
needed. Generally you can fix individual packages thanks to its modular 
structure, open sources and mature diagnostic tools.




Re: Restore point needed

2012-07-07 Thread Slavko
Hi,

Dňa Sat, 7 Jul 2012 14:44:53 + (UTC) Camaleón noela...@gmail.com
napísal:

   I send a mail but I was'nt suscribe.
 
 There's no need to be subscribed to post to this mailing list, I neither 
 am.

IMO, this is notice about CC, because he will not get the ML responses.

regards

-- 
Slavko
http://slavino.sk


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Re: Restore point needed

2012-07-07 Thread David Christensen

On 07/06/12 15:23, Leo wrote:

We use Linux system till a lot of years in our servers. (www.higiene.edu.uy).
I think - if possible for developpers -, that a restore point could be a 
great step forward.
When I make an : aptitude safe-upgrade, never I will now if I will have same problems or 
now. If iIhave troubles, I c'ant revenir en arriere, (come back).


This book explains principles and techniques for data and system backup 
and recovery:


http://shop.oreilly.com/product/9780596102463.do

One approach would be to take images of your system drive (using a live 
CD, zerofree, dd, gzip, etc.) prior to updates.



I've been using Norton Ghost 2003 for many years for Wintel machines. 
Be sure to get the 2003 version because it has key features not found in 
later versions (such as the creation of bootable floppy disks with Ghost):


http://www.amazon.com/Norton-Ghost-2003-OLD-VERSION/dp/B6FXML


An ongoing challenge with Ghost 2003 is getting the updates, as it uses 
their LiveUpdate system and is no longer supported OOTB.  Symantec used 
to have a solution here, but the page is now missing.  I have initiated 
a technical support request:



http://service1.symantec.com/Support/sharedtech.nsf/docid/2007010219171513


HTH,

David


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restore point needed

2012-07-06 Thread Leo
Hi!:
 I'am from Uruguay. I'm using Linux till. 10 years for all servers in my 
education institution (www.higiene.edu.uy).
 I think it could be un ENORMOUS contribution, if we can make all upgrades 
without care of loos all previous configuration.
 It would be a great step forward, if Linux generaitors could developpe 
something like step back, if something is not working fine when we make an: 
aptitude safe-upgrade.
Thank you very much for all your work.
Leo Matteo
lmat...@higiene.edu.uy
Los felicito a todos los que contribuyren a tener un sistema operativo 
formidable y de uso mundial y de licencia publica.
Prof. Leonardo Matteo
Facultad de Medicina
Universidad de la Republica
Montevideo - Uruguay


Restore point needed

2012-07-06 Thread Leo
Hi!:
 I send a mail but I was'nt suscribe.
 I am from Uruguay, We use Linux system till a lot of years in our servers. 
(www.higiene.edu.uy).
I think - if possible for developpers -, that a restore point could be a 
great step forward.
 When I make an : aptitude safe-upgrade, never I will now if I will have same 
problems or now. If iIhave troubles, I c'ant revenir en arriere, (come back).
Thank you for pay attention at this sibject.

Muchas gracias.
Prof. Leonardo Matteo
Facultad de Medicina
Universidad de la Republica
Montevideo - Uruguay
lmat...@higiene.edu.uy