Desktop change consequences

Submarine Deckhand mashfiend at gmx.com
Wed Apr 10 23:54:39 UTC 2013


https://help.ubuntu.com/community/RootSudoTimeout


On 10/04/13 17:43, Andrew Huys wrote:
> yes, sudo is temporary.  Usually the default for sudo timeout is 15 
> minutes.  there is a way to set it for longer/shorter, but I don't 
> exactly remember how to accomplish it...
>
> On 04/10/2013 01:35 PM, Pete Wright wrote:
>> Thanks, Ben
>> I do have 2.5 linux setups (don't have full-time access to the third, 
>> so 2.5).
>> The rub is they are not identical hardware and do not behave the same 
>> with identical software, which I gave up trying to achieve.
>> So I am now running Ubuntu 12.10 on one, Ubuntu Studio 12.10 on my 
>> main machine, and a hodge-podge mostly 12.04 on a mini laptop which 
>> is ethernetted into my main one..
>> Am I correct that SUDO gives temporary super-user status (but not root)?
>> I had what had to have been one of the rare few personally-owned Unix 
>> machines back in the early '80s, and am trying to dredge up and/or 
>> replace the old knowledge, after being mainly in the windows world 
>> from around 1984 until late last year..
>> Bizarre, I admit.
>>
>>
>>
>> On Wed, Apr 10, 2013 at 10:13 AM, Andrew Huys 
>> <musiek.sparta.nc at gmail.com <mailto:musiek.sparta.nc at gmail.com>> wrote:
>>
>>     Beware of "sudo", it gives you godlike powers...
>>
>>     the best advice I can give:  If you have the resources, set up
>>     two computers, one of them being your stable
>>     production/work/school machine, the other being your experimental
>>     setup.  Try the new commands on the experimental machine, in case
>>     they don't work out like you hope.  Once you're comfortable with
>>     them, use them on the production machine.
>>
>>     Good luck!
>>
>>     Ben
>>     On 04/10/2013 10:07 AM, Pete Wright wrote:
>>>     Thanks, Andrew.
>>>     You and Alf are elevating my self-confidence to dangerous levels.
>>>     cheers
>>>
>>>
>>>     On Wed, Apr 10, 2013 at 7:00 AM, Andrew Huys
>>>     <musiek.sparta.nc at gmail.com <mailto:musiek.sparta.nc at gmail.com>>
>>>     wrote:
>>>
>>>         "I get something from the repository I do not have to use
>>>         synaptic to keep it up to date?"  If you use update-manager
>>>         and have automatic updates turned on, no, you do not need to
>>>         use synaptic for anything.
>>>
>>>         However, Synaptic is /very/ useful when you're searching for
>>>         packages to install and maybe don't know the names (if you
>>>         dislike the software-center).  Synaptic is faster on my
>>>         older machines (IBM/Lenovo T43p, etc.) than software center,
>>>         as it does not have fancy graphics, ratings, reviews, etc. 
>>>         Also, being able to install multiple items just by checking
>>>         the boxes and clicking [apply] seems easier to me than
>>>         finding each individual software in software center.
>>>
>>>         As far as updating goes, I almost  never use the
>>>         "update-manager" (had an issue with it at one time, don't
>>>         remember what, but stopped using it then), I find it easier
>>>         to do via command-line:
>>>
>>>         sudo apt-get update
>>>         Sudo apt-get upgrade
>>>
>>>         I run these about once a week (or whenever i remember) just
>>>         to keep on top of things.
>>>
>>>         -AND Huys
>>>
>>>
>>>
>>>         On 04/10/2013 09:46 AM, Pete Wright wrote:
>>>>         Thanks, Alf.
>>>>         So, to make sure I understand you, if I get something from
>>>>         the repository I do not have to use synaptic to keep it up
>>>>         to date?
>>>>         Is Synaptic still useful in any scenario, or is it
>>>>         completely irrelevant/obsolete?
>>>>
>>>>
>>>>
>>>>         On Wed, Apr 10, 2013 at 6:39 AM, Alf Haakon Lund
>>>>         <alf at mellomrommet.no <mailto:alf at mellomrommet.no>> wrote:
>>>>
>>>>             No,
>>>>
>>>>             Nothing updates in the background, the update manager
>>>>             will always ask. It just means updates are not taken
>>>>             care of by canonical's Ubuntu team and that they may
>>>>             (or may not) be provided by the community.
>>>>
>>>>             Kind of the same way Microsoft provides updates for IE
>>>>             but not for Firefox, although the example is a bit
>>>>             flawed as Microsoft won't let you download software
>>>>             they don't own through their channels.
>>>>
>>>>             But that's the wonder of open source! Actually the
>>>>             software repositories is one of my favorites with
>>>>             Ubuntu. Finding and installing programs is so simple
>>>>             and updates automatically taken care of (if there are any).
>>>>
>>>>             Alf
>>>>
>>>>
>>>>
>>>>
>>>>             On 10. april 2013 14:52, Pete Wright wrote:
>>>>
>>>>                 Really? Updating automatic? I knew Ubuntu updates
>>>>                 automatically, but many
>>>>                 items in the Software Centre say "Updates not
>>>>                 provided by Ubuntu...may be
>>>>                 provided by community" or something like that. Are
>>>>                 these packages/programs
>>>>                 automagically updating themselves in the
>>>>                 background? Even the main Ubuntu
>>>>                 thingy asks me before updating.
>>>>
>>>>
>>>>                 On Wed, Apr 10, 2013 at 5:43 AM, Alf Haakon Lund
>>>>                 <alf at mellomrommet.no
>>>>                 <mailto:alf at mellomrommet.no>>wrote:
>>>>
>>>>                     Not sure what you mean here (updates not
>>>>                     included)? Unless it's become
>>>>                     abandonware (no more in development), updating
>>>>                     should be automatically
>>>>                     taken care of.
>>>>
>>>>                     Anyway glad to hear it was what you looked for.
>>>>
>>>>                     Alf
>>>>
>>>>
>>>>
>>>>
>>>>                     On 09. april 2013 13:54, Pete Wright wrote:
>>>>
>>>>                         Thanks again, Alf
>>>>                         Synapse aboard and seems just the ticket.
>>>>                         Also, after this morning's update, I find I
>>>>                         am now able to put my own
>>>>                         dubious artwork on the desktop.
>>>>                         I see Synapse updates are not included in
>>>>                         Ubuntu; will Synaptic do? I run
>>>>                         it periodically.
>>>>
>>>>
>>>>
>>>>                         On Tue, Apr 9, 2013 at 4:27 AM, Pete Wright
>>>>                         <pnwright at gmail.com
>>>>                         <mailto:pnwright at gmail.com>> wrote:
>>>>
>>>>                           Thanks Alf, I will try Synapse.
>>>>
>>>>                             And as to desktop pic, I think that is
>>>>                             what I did and it didn't work.
>>>>                             It's
>>>>                             my computer, I think.
>>>>
>>>>
>>>>                             On Tue, Apr 9, 2013 at 12:45 AM, Alf
>>>>                             Haakon Lund <alf at mellomrommet.no
>>>>                             <mailto:alf at mellomrommet.no>
>>>>
>>>>                                 wrote:
>>>>
>>>>
>>>>                               I don't use unity, so I might be off
>>>>                             target. But "heads up search"
>>>>
>>>>                                 sounds
>>>>                                 like what synapse is doing for me.
>>>>                                 It's a small app that finds anything,
>>>>                                 files or programs. Hit ctrl-space
>>>>                                 to launch, type a few letters (just f
>>>>                                 and
>>>>                                 first suggestion is firefox, first
>>>>                                 suggestion adapts to what is most
>>>>                                 used).
>>>>                                 Navigate through suggestions with
>>>>                                 arrows.
>>>>
>>>>                                 Synapse is available in software
>>>>                                 center and synaptic.
>>>>
>>>>                                 As for changing desktop image, for
>>>>                                 me right-click on the desktop and
>>>>                                 choosing desktop settings gets me
>>>>                                 there. Or [ctrl-space], [de] and first
>>>>                                 suggestion is desktop settings.
>>>>
>>>>                                 Good luck on ubuntu studio, and
>>>>                                 never be afraid to ask!
>>>>
>>>>                                 All the best,
>>>>                                 Alf
>>>>
>>>>
>>>
>>
>>
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