No networking and no MATE

[David Zuccaro via luv-main]

I have accidentally removed some packages from a debian system and now I 
have lost networking and MATE. Can I reinstall the removed packages from 
the install cd?

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Re: No networking and no MATE

[David Zuccaro via luv-main]

On 02/01/16 19:29, Craig Sanders via luv-main wrote:
yes. you can either install packages individually with dpkg (which 
will be tedious and annoying) or you need to configure apt to look for 
packages on the cdrom. according to the debian web page, the easiest 
way to do that is: https://wiki.debian.org/SourcesList#CD-ROM CD-ROM 
If you'd rather use your CD-ROM for installing packages or updating 
your system automatically with APT, you can put it in your 
/etc/apt/sources.list. To do so, you can use the apt-cdrom program 
like this: # apt-cdrom add with the Debian CD-ROM in the drive. You 
can use -d for the directory of the CD-ROM mount point or add a non-CD 
mount point (i.e. a USB keydrive). dunno if the CD has to be mounted 
first or not. craig 

Thanks Craig,

No the question is which packages will give me networking back?

apt says network-manager has no installation candidate.

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Re: No networking and no MATE

[Craig Sanders via luv-main]

On Sat, Jan 02, 2016 at 07:57:13PM +1100, Craig Sanders wrote:

> Optionally add '| grep -Ev "pkg1|pkg2|pkg3..."' after the sed but
> before the close-parenthesis if you want to exclude particular
> packages from being re-installed.

personally, i'd exclude at least '^lib' so that lib packages are marked
as auto-installed by apt rather than manually installed...when they are
obsoleted by future upgrades they can then be removed automatically with
'apt-get --purge autoremove'

craig

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Re: No networking and no MATE

[Craig Sanders via luv-main]

On Sat, Jan 02, 2016 at 07:35:46PM +1100, David Zuccaro wrote:

> No the question is which packages will give me networking back?
> 
> apt says network-manager has no installation candidate.

You need to find out which packages you removed.

Try:

grep remove /var/log/dpkg.log

Or if you know the packages were removed on a certain date
(e.g. 2015-12-30), you can get a list of just the package names by
printing only the 4th field of the log file.

awk '/^2015-12-30 ..:..:.. remove / {print $4}' /var/log/dpkg.log | sed -e 
's/:all//'

(the sed command strips ':all' from package names. apt-get copes with
architecture specification like :amd64 or :i386 but barfs on :all)

That list can be used directly with apt-get with:

apt-get -d -u install $(awk '/^2015-12-30 ..:..:.. remove / {print $4}' 
/var/log/dpkg.log | sed -e 's/:all//')

Run again without the '-d' (download-only) option when you are sure it's
only going to install the stuff you want.

Optionally add '| grep -Ev "pkg1|pkg2|pkg3..."' after the sed but before
the close-parenthesis if you want to exclude particular packages from being
re-installed.


NOTE: if dpkg.log has been rotated since you removed the packages, try
dpkg.log.1 or dpkg.log.2.gz etc.

craig

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Re: No networking and no MATE

[Brian May via luv-main]

Craig Sanders via luv-main  writes:

> On Sat, Jan 02, 2016 at 08:32:05PM +1100, David Zuccaro wrote:
>> None of the packages seem to be on the CD:
>
> basic stuff like networking should be on the first install CD/DVD.

Is it possible there might be debs still in /var/cache/apt/archives too;
from when the packages were first installed.

Unfortunately I don't know what packages are missing, the drop box link
doesn't work for me.
-- 
Brian May 
https://linuxpenguins.xyz/brian/
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Re: No networking and no MATE

[David Zuccaro via luv-main]

On 02/01/16 20:50, Craig Sanders via luv-main wrote:

On Sat, Jan 02, 2016 at 08:32:05PM +1100, David Zuccaro wrote:

None of the packages seem to be on the CD:

basic stuff like networking should be on the first install CD/DVD.

extra stuff like MATE might be on later CDs, or you can install from
the net once you've got networking running again.

makes sense

what kind of internet connection do you have?

optus cable

adsl? in that case, if
your linux box manages the adsl connection, you'll need the pppoe
package installed...or if your adsl modem handles the connection, just a
dhcp client.

for cable, again probably just a DHCP client, configured to use the NIC
connected to your cable modem.

I don't have an eth0 interface.

depending on your network chipset, you may also need non-free firmware
packages installed, e.g. most realtek NICs need the firmware-realtek package

apt was unable to locate firmware-realtek or pppoe

Is there a test package I could install off the cd to make sure that 
part is working?

https://www.dropbox.com/home/Camera%20Uploads?preview=2016-01-02+20.25.13.jpg

what's the dropbox url for?
I took a photo of the output from apt.It said that network manager is 
not available.

i'm not going to sign up for an account with them

Do you need to?

just to view a jpeg.  and why a jpeg? what's wrong with using text?
I can't cut and paste from the console of my desktop to my laptop where 
I am typing this message.

I think I might have to back up and do a fresh install...

leave that for a last resort.

craig


Regards,

David
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Re: Email clients [Was: No networking and no MATE]

[Andrew Pam via luv-main]

On 02/01/16 22:51, David Zuccaro via luv-main wrote:
> Sorry about the bad formatting; I usually do better with that. I'm using
> thunderbird and still trying to get my head around how it quotes. What
> you see is not what you get. Evolution had a plain text option which I
> find more straightforward to format. I might move back to that.

You can also set Thunderbird to use plain text.

Cheers,
Andrew
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Re: No networking and no MATE

[Craig Sanders via luv-main]

On Sat, Jan 02, 2016 at 07:00:57PM +1100, David Zuccaro wrote:
> I have accidentally removed some packages from a debian system and now
> I have lost networking and MATE. Can I reinstall the removed packages
> from the install cd?

yes.

you can either install packages individually with dpkg (which will be tedious 
and annoying)
or you need to configure apt to look for packages on the cdrom.

according to the debian web page, the easiest way to do that is:

https://wiki.debian.org/SourcesList#CD-ROM

CD-ROM

If you'd rather use your CD-ROM for installing packages or updating
your system automatically with APT, you can put it in your
/etc/apt/sources.list. To do so, you can use the apt-cdrom program
like this:

# apt-cdrom add

with the Debian CD-ROM in the drive.

You can use -d for the directory of the CD-ROM mount point or add a
non-CD mount point (i.e. a USB keydrive).


dunno if the CD has to be mounted first or not.


craig

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Re: No networking and no MATE

[Craig Sanders via luv-main]

On Sat, Jan 02, 2016 at 09:59:27PM +1100, David Zuccaro wrote:

> Thanks once again Craig and Brian I owe you a beer!

i can't drink beer (i only just got a kidney, transplanted on Dec 7 -
and don't want to put it at risk by re-acquiring an alcohol habit) but
if you want to repay the favour, please add a blank line before your
replies to quoted text. and another blank line before the next slab of
quoting. and break up long paragraphs into multiple short paragraphs
(where it makes sense to do so).

it's really hard to read your replies because it's hard to tell where
the quote ends and your reply starts.

blank space is free and makes things much more readable.

craig

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Email clients [Was: No networking and no MATE]

[David Zuccaro via luv-main]

On 02/01/16 22:39, Craig Sanders via luv-main wrote:

On Sat, Jan 02, 2016 at 09:59:27PM +1100, David Zuccaro wrote:


Thanks once again Craig and Brian I owe you a beer!

i can't drink beer (i only just got a kidney, transplanted on Dec 7 -
and don't want to put it at risk by re-acquiring an alcohol habit) but
if you want to repay the favour, please add a blank line before your
replies to quoted text. and another blank line before the next slab of
quoting. and break up long paragraphs into multiple short paragraphs
(where it makes sense to do so).

it's really hard to read your replies because it's hard to tell where
the quote ends and your reply starts.

blank space is free and makes things much more readable.

craig




Sorry about the bad formatting; I usually do better with that. I'm using 
thunderbird and still trying to get my head around how it quotes. What 
you see is not what you get. Evolution had a plain text option which I 
find more straightforward to format. I might move back to that.




Regards,

David


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Re: No networking and no MATE

[David Zuccaro via luv-main]

On 02/01/16 21:29, Craig Sanders via luv-main wrote:


do you have an /etc/network/interfaces file?

if not, and you have a dhcp server (e.g. on your modem), try making one like 
this:

  


 auto eth0
 iface eth0 inet dhcp

Some how these 2 lines were erased from the interfaces file??? Not sure why.

and then run 'ifup -a'
ok I got network access back and then I installed the necessary packages 
and now seem to be back where I started.


The reason I removed these packages is because I ran autoremove obsolete 
and didn't check what was going to be removed...


Thanks once again Craig and Brian I owe you a beer!
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