Re: Píndoles de DebianCat

[roger . sicart]

Bones,

Em podeu afegir al grup gitlab debiancat? El meu usuari és rsicart .

@alex he fet una proposició per la publicació del contingut al gitlab pages :

https://salsa.debian.org/debiancat-team/pindoles/-/merge_requests/5

He fet servir mkdocs amb el tema readthedocs.

Bona setmana!
-- 

R. Sicart Rams

Le 17 janvier 2021 08:04:12 GMT+01:00, "Àlex"  a écrit :
>El 14/1/21 a les 12:38, Alex Muntada ha escrit:
>> Crec que per afegir noves píndoles és més pràctic que us doneu
>> d'alta al salsa i ens indiqueu en aquesta llista el vostre nom
>> d'usuari per tal que us puguem afegir com a membres del
>> debiancat-team.⠀
>
>
>@acastan
>
>
>-- 
>https://www.btselem.org/publications/fulltext/202101_this_is_apartheid

Re: [OT] Sector laboral - Us de Debian/Software Lliure

[Narcis Garcia]

El 1/2/21 a les 1:21, Mònica Ramírez Arceda ha escrit:
> [a coneguts]
> 
> Fa molt i molt temps, era un corcó amb tothom perquè es passés a
> GNU/Linux i em vaig emportar alguna que altra decepció quan la gent o se
> t'enfavdava perquè no tenia el que volia o bé, després del gran esforç,
> al cap de dos dies tornava enrera. Ara la tàctica és diferent:
> 
>  - Mònica, m'ajudes amb temes informàtics?
> 
>  - Sí, i tant!
> 
>  - És que tnic Windows i...
> 
>  - Jo d'això no en sé. Si algun dia vols usar GNU/Liunx aquí estaré,
> encantada d'ajudar-te.

La meva ràtio d'èxit també té molt a veure amb què quasi no vaig al
darrere de ningú, sinó que faig les instal·lacions quan em demanen
solucions a un problema. Aleshores, és molt més difícil rebutjar una
solució que no pas una curiositat o utopia misteriosa.


Narcis Garcia

__
I'm using this dedicated address because personal addresses aren't
masked enough at this mail public archive. Public archive administrator
should fix this against automated addresses collectors.

Re: Relocating The Imagemagick Command Widget

[Dan Ritter]

John Hasler wrote: 
> How do I relocate the command widget for the Imagemagick "display"
> command?  It always gets mapped under my StaysOnTop widgets (clock, etc.)

Your window manager should avoid that for you, but since it
doesn't -- almost all X11 commands take

-geometry 100x100+100+100

where the 100x100 indicates size and the +100+100 indicates X
and Y coordinates.

-dsr-

Re: [OT] Sector laboral - Ús de Debian/Software Lliure

[Mònica Ramírez Arceda]

Fa segles que no escric a la llista! Però em sumo a l'enquesta:

[a casa]

Uso Debian Testing amb Gnome.


[a coneguts]

Fa molt i molt temps, era un corcó amb tothom perquè es passés a
GNU/Linux i em vaig emportar alguna que altra decepció quan la gent o se
t'enfavdava perquè no tenia el que volia o bé, després del gran esforç,
al cap de dos dies tornava enrera. Ara la tàctica és diferent:

 - Mònica, m'ajudes amb temes informàtics?

 - Sí, i tant!

 - És que tnic Windows i...

 - Jo d'això no en sé. Si algun dia vols usar GNU/Liunx aquí estaré,
encantada d'ajudar-te.


[a la feina]

Durant molts anys vaig ser professora d'FP i vaig usar Debian/Fedora
gairebé sempre.

Després vaig estar treballant uns anys a un sindicat (com a delegada
sindical, però fent fonamentalment tasques informàtiques) on també vam
migrar gairebé tots els ordinadors a Debian amb Cinnamon. Els que no vam
migrar eren aquells que els seus usuaris necessitaven algun programari
específic, tot i que volíem estudiar si en un futur podríem migrar-los
també. La web es va refer amb Django i el servidor on s'hostatjava el
mantenia conjuntament amb l'ajuda d'una empresa i era Debian també.

Ara farà uns mesos he deixat Ensenyament i estic treballant per a una
empresa. Programo amb Django i altres tecnologies lliures i com que tot
el treball és en remot doncs uso el meu ordinador personal amb el que em
va millor (o sigui la Debian Testing que he dit abans :-) )

Salut!

Relocating The Imagemagick Command Widget

[John Hasler]

How do I relocate the command widget for the Imagemagick "display"
command?  It always gets mapped under my StaysOnTop widgets (clock, etc.)
-- 
John Hasler 
jhas...@newsguy.com
Elmwood, WI USA

Re: Lenovo wireless network not work?

[Andrei POPESCU]

On Lu, 01 feb 21, 02:12:43, sebul wrote:
> Hello.
> I have a Lenovo IdeaCentre Mini 5 01IMH05. Spec is
> https://psref.lenovo.com/Detail/IdeaCentre/IdeaCentre_Mini_5_01IMH05?M=90Q70006KA
> I installed Debian 10.7 on it.

What image did you use for that (exact name and URL if possible)?

> How can I use wireless networks on Lenovo IdeaCentre Mini 5?

Please show the output of

dmesg | grep -i firmware


(needs root permissions)

and

apt list --installed network-manager*


Kind regards,
Andrei
-- 
http://wiki.debian.org/FAQsFromDebianUser


signature.asc
Description: PGP signature

Re: [OT] Sector laboral - Ús de Debian/Software Lliure

[Ernest Adrogué]

2021-01-27, 19:54 (+0100); Joan Albert escriu:
> Fa temps que tinc curiositat sobre el sector on
> treballem/investiguem/estudiem els integrants d'aquesta llista,
> i saber si allà utilitzem o no la nostra estimada distribució,
> software lliure en general o no és el cas.

Doncs, no, on jo treballo, que és al sector financer, no he vist mai
programari lliure i encara menys ningú que utilitzi GNU/Linux.  En
feines anteriors, tot i utilitzar Windows, podia fer servir programes
com Emacs, R, Python, fins i tot Latex, però en aquesta institució
financera on estic ara funciona tot a través d'un escriptori remot a on
és impossible instal·lar cap programa propi i que funcioni.  Tot està
centrat al voltant del Microsoft Office, i altres programes propietaris.
Els ordinadors centrals són mainframes de IBM que funcionen amb alguna
mena de Unix, tot i que la majoria del personal només hi accedeix a
través de interfície web.

Re: Flash Drive suddenly read only?

[David Wright]

On Sun 31 Jan 2021 at 20:30:22 (+0800), kaye n wrote:
> On Sun, Jan 31, 2021 at 5:20 PM  wrote:
> > On Sat, Jan 30, 2021 at 11:27:52PM -0700, Charles Curley wrote:
> > > On Sun, 31 Jan 2021 14:00:31 +0800 kaye n wrote:
> > >
> > > > When I plug in my usb flash drive to my desktop computer, I can edit
> > > > certain libreoffice calc files saved in that flash drive. But after I
> > > > try to copy several dbf files from the desktop computer hard drive to
> > > > the flash drive via the terminal, it says it's read only. When I open
> > > > the calc files again, they are now read only and cannot be edited.

This is written as if it has happened more than once (but that could
be your English). I'm going to assume this happened just once, and the
stick's readonly state is permanent.

> > If there's an event forcing the OS to put the file system in read-only
> > mode (e.g. write error), you will see traces of it in the system logs.

OTOH if the stick does this itself, there may be no trace at all, but
just a sudden change from rw to ro. You need to determine which.

> How long has this been going on?
> Just last night
> 
> What do the logs say? /var/log/syslog, or .../messages?
> I fail to open it

That suggests you should put yourself in the adm group so that you
can read them. (I'm assuming you "own" the machine.)

If the mount looks good for writing, and the file permissions look
good too, then I would suspect the firmware in the stick itself.
(Note—none of my sticks has a hardware switch on it. Does yours?)
Presumably you've checked it out in windows, too.

You're obviously running some sort of automounter, and I don't.
Others might need to help you with keeping the stick in an unmounted
state, which is recommended, but probably not essential, to perform
the actions below. Desktop Environments and automounters like to
get in the way, and dealing with them is above my pay-grade.

My own course of action would be:

  Physically mark the stick as suspect/ephemeral/for scratch use.

  Back up the files on the stick, BUT treat them all as suspect.
  They might already  have been corrupted by partially successful
  writes.

  Zero the drive with dd from /dev/zero, carefully, ie making
  sure you're writing to the correct device. (Needs root.)

  Unplug/reinsert/try using elsewhere, to see whether the stick
  is now unusable/has been zeroed:

If zeroing was successful, repartition and reformat the stick,
and keep it just for unimportant uses, eg if you use it to
play videos/music/slide shows on your TV. (Needs root.)

If your dbf/calc files are still present, zeroing was unsuccessful,
so perform funeral rites. The stick's continued existence may
present a security risk, like discarded papers. (Needs a hammer.)

Cheers,
David.

Re: [OT] Feedback (era Re: Algú vol col·laborar en aquest projecte?)

[Ernest Adrogué]

2021-01-30, 23:15 (+0100); Orestes Mas escriu:
> Si ho apliquem al benefici econòmic que pot rendir una inversió, ho
> veig bé. Res a dir. Però d'això els anglesos no en diuen "feedback".

La terminologia econòmica es "rendiment" i no retorn.  Per exemple, "la
llei dels rendiments decreixents".  Si dius retorn també t'entendran
però sona estrany.

Re: [OT] Sector laboral - Ús de Debian/Software Lliure

[Carles Pina i Estany]

Hola,

On Jan/27/2021, Joan Albert wrote:

> Fa temps que tinc curiositat sobre el sector on
> treballem/investiguem/estudiem els integrants d'aquesta llista,
> i saber si allà utilitzem o no la nostra estimada distribució,
> software lliure en general o no és el cas.

Ara treballo per l'Institut Polar Suïs (remotament, ja abans del COVID)
fent molt de Python i Django.

Jo tinc el meu portàtil amb Debian, el servidor que ara està a la
universitat de Lausanne amb RedHat però ho haig de moure i serà amb una
Debian segurament (tot i que gairebé tot està amb Docker). La gestora de
dades també va amb Debian. Tinc un Windows a un VirtualBox per provar
algunes coses quan cal (estic mesos sense engegar-lo).

A nivell personal: portàtil (el mateix que la feina) amb Debian, 3
raspberry-pi a diferents llocs amb Raspbian. I el meu servidor personal
amb Debian també.

Abans treballava a un altre lloc desenvolupant una aplicació C++/Qt. Un
company amb Windows, dos amb Mac, jo amb Debian (i virtualbox, etc.) i
un altre amb Ubuntu (em sembla). I un portàtil amb Windows per si
necessitava coses de l'Active Directory o històries (ja ni ho recordo).
Com que l'aplicació era multiplataforma anava bé tenir desenvolupadors
amb cada sistema. Els altres departaments gairebé tot Mac/Windows,
alguna Ubuntu veia però molt poques...

Molt interessant el fil!

-- 
Carles Pina i Estany
https://carles.pina.cat

Re: Flash Drive suddenly read only?

[David Christensen]

On 2021-01-30 22:00, kaye n wrote:

Hello Friends!

When I plug in my usb flash drive to my desktop computer, I can edit
certain libreoffice calc files saved in that flash drive. But after I try
to copy several dbf files from the desktop computer hard drive to the flash
drive via the terminal, it says it's read only. When I open the calc files
again, they are now read only and cannot be edited.

The desktop is dual boot system, windows 7 and Debian 10.

If it matters, the dbf files in the desktop hard drive are always edited in
windows, then I sometimes log in to Debian and copy the desktop hard drive
dbf files onto my usb flash drive.   I cannot do that anymore, as stated
above. Even after rebooting or powering off.


First, back up your data.


When you respond to mailing list posts, please "reply to list".


Can you create files or save files on the USB drive using Windows?


David

Re: gnome-control-center

[Gareth Evans]

On Sun, 31 Jan 2021, at 17:46, Sven Joachim wrote:
> On 2021-01-31 17:09 +, Gareth Evans wrote:
> 
> > I'm trying to install gnome-online-accounts on Debian 10.7 with Mate:
> >
> >
> > $ sudo apt install gnome-control-center gnome-online-accounts
> > [...]
> > Package gnome-control-center is not available, but is referred to by 
> > another package.
> > This may mean that the package is missing, has been obsoleted, or
> > is only available from another source
> > However the following packages replace it:
> >   gnome-control-center-data
> > E: Package 'gnome-control-center' has no installation candidate
> >
> > $ sudo apt install gnome-online-accounts
> > [...]
> > Recommended packages:
> >   gnome-control-center
> > The following NEW packages will be installed:
> >   gnome-online-accounts
> > 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
> > [...]
> >
> >
> > gnome-control-center-data doesn't seem to provide gnome-control-center
> > as the first apt install blurb seems to me to suggest (but neither
> > does it seem that it should!)
> >
> > https://tracker.debian.org/pkg/gnome-control-center
> >
> > shows gnome-control-center 1:3.38.3-1 is in testing, but also that a
> > stable version exists - 1:3.30.3-2~deb10u1 - isn't this what should be
> > installed upon request, along with dependencies?
> 
> Yes.  Possible explanations: your sources.list is broken, or you have
> assigned a negative pin priority to gnome-control-center (see
> apt_preferences(5)).
> 
> What does "apt policy" print?
> 
> Cheers,
>Sven
> 
>

Hi Sven, thanks.

$ apt policy

includes

Pinned packages:
[...]
gnome-control-center -> 1:3.30.3-2~deb10u1 with priority -3
[...]

amongst other gnome components.

I had abandoned a previous gnome desktop installation because apt-listbugs had 
complaints about multiple components.  I hadn't realised it pins packages 
rather than just abandoning the installation if told to, although it does say 
so upon closer inspection :)

I deleted /etc/apt/preferences.d/apt-listbugs and approved the installation of

gnome-control-center
gnome-online-accounts

which succeeded, but:


Issue 1:

$ gnome-control-center online-accounts
**
ERROR:../shell/cc-shell-model.c:458:cc_shell_model_set_panel_visibility: 
assertion failed: (valid)
Aborted

$ gnome-control-center gnome-online-accounts
**
ERROR:../shell/cc-shell-model.c:458:cc_shell_model_set_panel_visibility: 
assertion failed: (valid)
Aborted

sudo gives the same result.  

This doesn't seem to relate to the bugs reported by apt-listbugs, which shows:

Retrieving bug reports... Done
Parsing Found/Fixed information... Done
grave bugs of gnome-settings-daemon (→ 3.30.2-3) 
 b1 - #919914 - gnome-tweaks now equates "don't suspend on lid close" with 
"don't lock on lid close" (security issue)
grave bugs of gnome-control-center (→ 1:3.30.3-2~deb10u1) 
 b2 - #913978 - is not accessible with Orca screenreader
grave bugs of mousetweaks (→ 3.12.0-5) 
 b3 - #956523 - mousetweaks ends with segmentation fault (Fixed: 
mousetweaks/3.32.0-3)
Summary:
 gnome-settings-daemon(1 bug), gnome-control-center(1 bug), mousetweaks(1 bug)


Issue 2:

I tried to install task-gnome-desktop to see if it works with the full works 
installed, but even after deleting /etc/apt/pref*d/apt-listbugs and rebooting, 
apt-listbugs isn't offering the choice to install task-gnome-desktop but going 
straight to ("user-initiated") abort:

$ sudo apt install -y task-gnome-desktop | tee gnome.txt
[...]
Summary:
[multiple packages] pinned by adding Pin preferences in 
/etc/apt/preferences.d/apt-listbugs. Restart APT session to enable
**
** Exiting with an error in order to stop the installation. **
**
[...]
: Sub-process /usr/sbin/apt-listbugs apt returned an error code (10)
E: Failure running script /usr/sbin/apt-listbugs apt


$ man apt-listbugs 

"... if any such bug is found, apt-listbugs warns the user and asks how to 
proceed ...
EXIT STATUS [...]
10 If the program ran successfully in apt mode, but you decided to
   abort the installation/upgrade."

That is not the case here.


Fwiw...

$ cat /etc/apt/apt.conf.d/10apt-listbugs
// Before installing packages, check whether they have release-critical bugs.
// If you don't like it, comment it out.
DPkg::Pre-Install-Pkgs {"/usr/sbin/apt-listbugs apt";};
DPkg::Tools::Options::/usr/sbin/apt-listbugs "";
DPkg::Tools::Options::/usr/sbin/apt-listbugs::Version "3";
DPkg::Tools::Options::/usr/sbin/apt-listbugs::InfoFD "20";
AptListbugs::Severities "critical,grave,serious";
// AptListbugs::IgnoreRegexp "FTBFS";


Any advice on either issue much appreciated.

Many thanks,
Gareth

Re: Removing WiFi AP in Buster?

[Charles Curley]

On Sun, 31 Jan 2021 08:15:57 -0800
cono...@rahul.net (John Conover) wrote:

> > You're going to have to be more specific about what software
> > framework you're using to manage your WiFi access, and what you
> > mean by "remove." 
> 
> Under XFCE, I want to clean up/remove some of the APs that I have
> connected to in the past. I couldn't find a delete button.
> 
> Or, remove the APs from a file, (they are not in etc/wp_supplicant,
> or, etc/networks, the traditional places.)

XFCE does not manage your WiFi access. NetworkManager, one of several
programs that does, often accompanies XFCE. Assuming you have
NetworkManager:

In the notification area (upper right panel), right click on the signal
strength widget, and select "Edit Connections...". Select a connection
you wish to delete. Click on the minus sign widget at the bottom.

You can also (as root) delete files
from /etc/NetworkManager/system-connections/. I have not tried this. I
suggest you first turn NetworkManager off, and then back on when you
are done.



-- 
Does anybody read signatures any more?

https://charlescurley.com
https://charlescurley.com/blog/

Re: Problemes d'acces webs catalanes amb FF

[Carles Pina i Estany]

Hola,

On Jan/30/2021, Ermengol Bota wrote:
> El ds., 30 de gen. 2021, 8:23 p. m., Narcis Garcia 
> va escriure:
> 
> >
> > >
> > > A banda de dir-me, no usis aquesta opció, algú sap el motiu o pot
> > formular una hipòtesi plausible per explicar-ho?  No em refereixo al motiu
> > tècnic, intento comprendre el motiu "filosòfic" pel que tota
> > l'Administració s'ha posat d'acord en oferir llocs web HTTP enlloc de
> > HTTPS. Em sembla contradictori ja que és la mateixa administració la que
> > m'exigeix certificats per a tot (i especialment "l'Adobe" si vull obrir un
> > dels seus formularis PDF) per continuar interaccionant amb ells?
> >
> 
> No sé el rerefons filosòfic, però sí has d'administrar una web que
> només ofereix contingut i no hi ha formularis, ni sessions  no
> sempre té sentit emmerdar-se a gestionar certificats Els has de

Quan miro una Web de l'administració (o qualsevol cosa) m'agrada saber
que la Web és de qui diu ser. Potser tot és estàtic, no hi ha
formularis, tot públic... però m'agrada saber que el que llegeixo no ha
estat canviat per algú pel mig (com pot ser un proxy de l'operador que
posi publicitat o seguiments)

Apart de temes de privacitat: estic d'acord que és possible per algú
saber que estic mirant la Web de la Generalitat (via IPs, SNI depenent
del TLS i configuració, etc.) però potser a algú li interessa que no se
sàpiga si miro gencat.cat/divorcis o gencat.cat/covid.

> pagar, renovar, i administrar (si tens proxy's o balancejadors... no
> sempre és trivial). Sovint també es parla de consum de CPU com a
> factor limitant però no en sé el grau d'importància tot i que està
> clar que 2000 connexions https no són el mateix que 2000 sense..,

> Diria que https es va desenvolupar per protegir principalment les
> dades que els clients enviaven als servidors. Fins i tot al principi

i saber que els que llegim no ha estat modificat... (ho dius més avall)

> les grans webs (fb, gmail...) només l'utilitzaven al login, i després
> tornaven a http normal (fins que van aparèixer coses com firesheep que

però això fa anys em sembla que no passa...

> permetia robar sessions a cop de clic dins d'una lan...ja els hi val
> :-D )
> 
> Vaja, no et responc, però em poso al costat dels tècnics :-D

La meva sensació és que gairebé tot va amb https. Que si és una cosa
petita amb Letsencrypt és, normalment, fàcil avui dia... i si és una
cosa gran doncs millor montar-ho bé.

Gràcies al mail del Robert he activat ara el "Mode només HTTPS", a veure
si la meva percepció és com és o no :-)

M'agradaria saber el motiu que no és HTTPS a les webs que no ho és
(m'imagino que pot ser més de descuit o que es va fer sense i ara ningú
ho ha posat...)

> Altra cosa és que considerem que és bo utilitzar-lo sempre per evitar
> seguiments o suplantacions i similars... però sense https és molt
> senzill aixecar una web, amb https no tant (no dic que sigui
> complicat, però que no és igual de senzill tot i iniciatives com let's
> encrypt que ho han facilitat molt)

Pot no agradar però amb CloudFlare es pot posar un proxy https davant
fàcil i escala moltíssim... sé d'empreses grans que ho passen tot per
CloudFlare amb el gratis.

Fins aviat!

-- 
Carles Pina i Estany
https://carles.pina.cat

Re: gnome-control-center

[Sven Joachim]

On 2021-01-31 17:09 +, Gareth Evans wrote:

> I'm trying to install gnome-online-accounts on Debian 10.7 with Mate:
>
>
> $ sudo apt install gnome-control-center gnome-online-accounts
> [...]
> Package gnome-control-center is not available, but is referred to by another 
> package.
> This may mean that the package is missing, has been obsoleted, or
> is only available from another source
> However the following packages replace it:
>   gnome-control-center-data
> E: Package 'gnome-control-center' has no installation candidate
>
> $ sudo apt install gnome-online-accounts
> [...]
> Recommended packages:
>   gnome-control-center
> The following NEW packages will be installed:
>   gnome-online-accounts
> 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
> [...]
>
>
> gnome-control-center-data doesn't seem to provide gnome-control-center
> as the first apt install blurb seems to me to suggest (but neither
> does it seem that it should!)
>
> https://tracker.debian.org/pkg/gnome-control-center
>
> shows gnome-control-center 1:3.38.3-1 is in testing, but also that a
> stable version exists - 1:3.30.3-2~deb10u1 - isn't this what should be
> installed upon request, along with dependencies?

Yes.  Possible explanations: your sources.list is broken, or you have
assigned a negative pin priority to gnome-control-center (see
apt_preferences(5)).

What does "apt policy" print?

Cheers,
   Sven

Re: Lenovo wireless network not work?

[John Boxall]

On 2021-01-31 12:12 p.m., sebul wrote:

Hello.
I have a Lenovo IdeaCentre Mini 5 01IMH05. Spec is
https://psref.lenovo.com/Detail/IdeaCentre/IdeaCentre_Mini_5_01IMH05?M=90Q70006KA
I installed Debian 10.7 on it.
How can I use wireless networks on Lenovo IdeaCentre Mini 5?



This might help:

https://www.cyberciti.biz/faq/linux-find-wireless-driver-chipset/


--
Regards,

John Boxall

Lenovo wireless network not work?

[sebul]

Hello.
I have a Lenovo IdeaCentre Mini 5 01IMH05. Spec is
https://psref.lenovo.com/Detail/IdeaCentre/IdeaCentre_Mini_5_01IMH05?M=90Q70006KA
I installed Debian 10.7 on it.
How can I use wireless networks on Lenovo IdeaCentre Mini 5?

gnome-control-center

[Gareth Evans]

I'm trying to install gnome-online-accounts on Debian 10.7 with Mate:


$ sudo apt install gnome-control-center gnome-online-accounts
[...]
Package gnome-control-center is not available, but is referred to by another 
package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
However the following packages replace it:
  gnome-control-center-data
E: Package 'gnome-control-center' has no installation candidate

$ sudo apt install gnome-online-accounts
[...]
Recommended packages:
  gnome-control-center
The following NEW packages will be installed:
  gnome-online-accounts
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
[...]


gnome-control-center-data doesn't seem to provide gnome-control-center as the 
first apt install blurb seems to me to suggest (but neither does it seem that 
it should!)

https://tracker.debian.org/pkg/gnome-control-center

shows gnome-control-center 1:3.38.3-1 is in testing, but also that a stable 
version exists - 1:3.30.3-2~deb10u1 - isn't this what should be installed upon 
request, along with dependencies?  

Thanks,
Gareth

Richard Stallman et Bastien Sibille échangeront lors d'un Web Apéro via MobiCoop

[Sylvie Drouet]

SaluX,

Vous pouvez vous inscrire  !

> *Richard Stallman et Bastien Sibille échangeront lors d'un Web Apéro
> animé par le journaliste Fabien Benoît, le jeudi 4 février à 18H30. **
> *
> https://framaforms.org/logiciels-libres-et-plateformes-cooperatives-1609860745
> 
Bien libramicalement,

Sylvie

-- 
Chiffrons nos mails :
https://emailselfdefense.fsf.org/fr/index.html

Membre de l’April
Soutenez le logiciel libre !

"L’humour est le seul vaccin contre la connerie. Le con, lui, n’a jamais trouvé 
la pharmacie". - P Perret

Il y a deux types de personnes ; celles qui trouvent les moyens et celles qui 
trouvent des excuses !

"Ne doutez jamais qu'un petit groupe de gens réfléchis et engagés puisse 
changer le monde. En fait, 
c'est toujours comme cela que ça s'est passé". - Margaret Mead - Anthropologue

Informatique : « Quand ça tombe en marche, on ne touche plus ! » ;-)

La Philosophie pose les questions, sans donner de réponse.
La religion impose des réponses sans poser les questions.
Windows faisait les 2 à mon cerveau ; maintenant ça va mieux,
mon PC tourne sous Linux !

"La gratitude est une plénitude de cœur qui vous déplace de la limitation et de 
la peur
vers l’expansion et l’amour." - Deepak Chopra


-- 
Chiffrons nos mails :
https://emailselfdefense.fsf.org/fr/index.html

Membre de l’April
Soutenez le logiciel libre !

"L’humour est le seul vaccin contre la connerie. Le con, lui, n’a jamais trouvé 
la pharmacie". - P Perret

Il y a deux types de personnes ; celles qui trouvent les moyens et celles qui 
trouvent des excuses !

"Ne doutez jamais qu'un petit groupe de gens réfléchis et engagés puisse 
changer le monde. En fait, 
c'est toujours comme cela que ça s'est passé". - Margaret Mead - Anthropologue

Informatique : « Quand ça tombe en marche, on ne touche plus ! » ;-)

La Philosophie pose les questions, sans donner de réponse.
La religion impose des réponses sans poser les questions.
Windows faisait les 2 à mon cerveau ; maintenant ça va mieux,
mon PC tourne sous Linux !

"La gratitude est une plénitude de cœur qui vous déplace de la limitation et de 
la peur
vers l’expansion et l’amour." - Deepak Chopra



OpenPGP_0x7BA6AF71F3BAD211.asc
Description: application/pgp-keys

Re: Removing WiFi AP in Buster?

[John Conover]

Celejar writes:
> On Sun, 31 Jan 2021 07:25:45 -0800
> cono...@rahul.net (John Conover) wrote:
> 
> > How do you remove a WiFi AP in Buster?
> 
> You're going to have to be more specific about what software framework
> you're using to manage your WiFi access, and what you mean by "remove."
>

Under XFCE, I want to clean up/remove some of the APs that I have
connected to in the past. I couldn't find a delete button.

Or, remove the APs from a file, (they are not in etc/wp_supplicant,
or, etc/networks, the traditional places.)

John

-- 

John Conover, cono...@rahul.net, http://www.johncon.com/

Re: Removing WiFi AP in Buster?

[Celejar]

On Sun, 31 Jan 2021 07:25:45 -0800
cono...@rahul.net (John Conover) wrote:

> How do you remove a WiFi AP in Buster?

You're going to have to be more specific about what software framework
you're using to manage your WiFi access, and what you mean by "remove."

Celejar

Removing WiFi AP in Buster?

[John Conover]

How do you remove a WiFi AP in Buster?

Thanks,

John

-- 

John Conover, cono...@rahul.net, http://www.johncon.com/

Re: Jumbo frames

[BERTRAND Joël]

Basile Starynkevitch a écrit :
> 
> On 1/31/21 4:07 PM, BERTRAND Joël wrote:
>> Ma question est uniquement sur la LAN. Que se passe-t-il lorsqu'un
>> serveur a une MTU de 9000 par exemple et un client une MTU classique de
>> 1500 ?
>>
> 
> Pour moi, les paquets IP échangés ont une taille de 1500

De manière symétrique ? Comment les deux cartes s'accordent-elles ?
Lorsque je regarde ce qui passe sur le réseau, je ne vois pas de paquets
ethernet en IPv4 qui indique quelque chose sur la taille maximale des
paquets acceptables par l'interface distante.

Re: Jumbo frames

[Basile Starynkevitch]

On 1/31/21 4:07 PM, BERTRAND Joël wrote:

Ma question est uniquement sur la LAN. Que se passe-t-il lorsqu'un
serveur a une MTU de 9000 par exemple et un client une MTU classique de
1500 ?



Pour moi, les paquets IP échangés ont une taille de 1500


--
Basile Starynkevitch  
(only mine opinions / les opinions sont miennes uniquement)
92340 Bourg-la-Reine, France
web page: starynkevitch.net/Basile/

Re: Jumbo frames

[BERTRAND Joël]

NoSpam a écrit :
> Bonjour
> 
> Le 31/01/2021 à 11:38, BERTRAND Joël a écrit :
>> [...]
>> J'ai souvenir dans l'ancien temps que les modems ne savaient pas
>> fragmenter les paquets et qu'il valait mieux coller sur la carte réseau
>> côté modem une MTU à 1492 pour éviter les trous mais cela semble avoir
>> disparu.
>>
>> La question est donc la suivante : que se passe-t-il si un serveur a
>> une MTU de 9000 et que le client n'a que 1500 ? La MTU est-elle valable
>> pour l'émission ou aussi pour la réception ? En d'autres termes, puis-je
>> sans risque utiliser côté serveur une MTU à 9000 en ne touchant rien
>> d'autre ?
> 
> Si ta question concerne uniquement le trafic passant via modem je ne
> sais pas. Par contre, en ethernet, cela ne pose pas de problème. Perso
> j'utilise une MTU de 64000 sur un lien OpenVPN en ipv4 pour ipv6 m'étant
> rendu compte que le débit ipv6 était meilleur.

Ma question est uniquement sur la LAN. Que se passe-t-il lorsqu'un
serveur a une MTU de 9000 par exemple et un client une MTU classique de
1500 ?

Re: Flash Drive suddenly read only?

[The Wanderer]

(I've replied publicly again, as I'm not the only person who may be able
to advise you on this, and I don't see any reason for this to have been
taken off-list. If your reply being direct instead of via the list was
intentional, then I apologize.)

On 2021-01-31 at 08:28, kaye n wrote:

> On Sun, Jan 31, 2021 at 8:53 PM The Wanderer 
> wrote:
> 
>> On 2021-01-31 at 07:30, kaye n wrote:

>>> The dbf files seem to be READ WRITE EXECUTE for OWNER, GROUP,
>>> and OTHER
>> 
>> What do the following commands say (substituting in the actual
>> paths to the file and the mount directory of the USB drive)?
>>
>> $ ls -lh /path/to/file.dbf
>>
>> $ mount | grep /path/to/mount/directory

> ls -lh /media/marlon/acval/ACPAY.DBF
> -rwxrwxrwx 1 homet users 0 Jan 19 21:04 /media/marlon/acval/ACPAY.DBF

This shows that the file is read/write in all cases.

> mount | grep /media/marlon
> /dev/sdd1 on /media/marlon type vfat 
> (rw,nosuid,nodev,relatime,uid=1000,gid=100,fmask=,dmask=,allow_utime=0022,codepage=437,iocharset=ascii,shortname=mixed,utf8,errors=remount-ro,user,x-systemd.device-timeout=5s)

This shows that the partition is mounted rw, which is to say,
read/write. It also shows fmask , which corresponds to and likely
explains the file permissions seen from the other command.

It also shows 'errors=remount-ro', which is expected: that tells the
system that if there are errors involving this mount path, the mount
should be changed from read-write to read-only.

When you ran these commands, was the file being reported as read-only by
your other means of testing?

If not, then these results aren't useful; please reproduce the problem
and try the commands again while the system is in the problematic state.

If so, then we may need to dig deeper.

> dmesg
> It's too long. What should I be looking for?

Anything that:

* Mentions the device name, /dev/sdd1.

* Mentions the mount path, /media/marlon.

* Mentions the filesystem type, FAT / vfat.

* Mentions the word 'remount' (not case-sensitive).

* Has a timestamp which is around the same time as most recent point
when the "read-only" errors started to manifest. (dmesg timestamps tend
to be presented as 'seconds since boot', so reading them may not be the
easiest thing in the world.)

-- 
   The Wanderer

The reasonable man adapts himself to the world; the unreasonable one
persists in trying to adapt the world to himself. Therefore all
progress depends on the unreasonable man. -- George Bernard Shaw



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Re: Jumbo frames

[NoSpam]

Bonjour

Le 31/01/2021 à 11:38, BERTRAND Joël a écrit :

[...]
J'ai souvenir dans l'ancien temps que les modems ne savaient pas
fragmenter les paquets et qu'il valait mieux coller sur la carte réseau
côté modem une MTU à 1492 pour éviter les trous mais cela semble avoir
disparu.

La question est donc la suivante : que se passe-t-il si un serveur a
une MTU de 9000 et que le client n'a que 1500 ? La MTU est-elle valable
pour l'émission ou aussi pour la réception ? En d'autres termes, puis-je
sans risque utiliser côté serveur une MTU à 9000 en ne touchant rien
d'autre ?


Si ta question concerne uniquement le trafic passant via modem je ne 
sais pas. Par contre, en ethernet, cela ne pose pas de problème. Perso 
j'utilise une MTU de 64000 sur un lien OpenVPN en ipv4 pour ipv6 m'étant 
rendu compte que le débit ipv6 était meilleur.


--

Daniel

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Re: Flash Drive suddenly read only?

[The Wanderer]

On 2021-01-31 at 07:30, kaye n wrote:

> On Sun, Jan 31, 2021 at 5:20 PM  wrote:
> 
>> On Sat, Jan 30, 2021 at 11:27:52PM -0700, Charles Curley wrote:

>>> Are the files marked read only (ro), or is the entire flash
>>> drive mounted ro?
> 
> The dbf files seem to be READ WRITE EXECUTE for OWNER, GROUP, and
> OTHER

What do the following commands say (substituting in the actual paths to
the file and the mount directory of the USB drive)?

$ ls -lh /path/to/file.dbf

$ mount | grep /path/to/mount/directory

>>> How, exactly, are you mounting the flash drive under Linux. What 
>>> command?
> 
> I just insert the flash drive to the desktop computer and it mounts
> and is ready for use.

So any of a number of mechanisms could be handling this, and IIRC at
least some of them may not actually present the drive as mounted at all
(I believe I'm thinking of gvfs, there) - in which case the latter of
the above commands may not present any useful information.

>> What do the logs say? /var/log/syslog, or .../messages?
> 
> I fail to open it

Try doing it as root. You might also try running the command 'dmesg',
also as root; that's likely to present a lot more information, although
if you do it right after the change to read-only has happened then the
relevant part (if any) is likely to be in the final few lines.

-- 
   The Wanderer

The reasonable man adapts himself to the world; the unreasonable one
persists in trying to adapt the world to himself. Therefore all
progress depends on the unreasonable man. -- George Bernard Shaw



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Re: Mise à jour initiale sécurisée par un pare-feu

[NoSpam]

Bonjour

Le 31/01/2021 à 11:31, Jean-Michel OLTRA a écrit :

[...]

Autre question qui me vient. Si nftables est depuis buster le pare-feu par
défaut, pourquoi n'y a-t-il pas d'instructions pour une mise à jour
sécurisée par cet outil ?

Il y a moyen de passer d'un script iptables à nftables :
https://wiki.nftables.org/wiki-nftables/index.php/Moving_from_iptables_to_nftables

Sinon, je suppose que tu dois pouvoir trouver l'équivalent de ton tuto
iptables mais actualisé à nftables.
Il n'y a pas beaucoup de documentation correcte à part le wiki cité ci 
dessus. J'ai publié sfw sur framagit qui est une série de scripts basés 
sur un fichier de configuration qui permet de protéger des stations de 
travail comme des serveurs: https://framagit.org/tootai/sfw


--

Daniel

Re: Flash Drive suddenly read only?

[kaye n]

On Sun, Jan 31, 2021 at 5:20 PM  wrote:

> On Sat, Jan 30, 2021 at 11:27:52PM -0700, Charles Curley wrote:
> > On Sun, 31 Jan 2021 14:00:31 +0800
> > kaye n  wrote:
> >
> > > When I plug in my usb flash drive to my desktop computer, I can edit
> > > certain libreoffice calc files saved in that flash drive. But after I
> > > try to copy several dbf files from the desktop computer hard drive to
> > > the flash drive via the terminal, it says it's read only. When I open
> > > the calc files again, they are now read only and cannot be edited.
> >
> > What file system is on the flash drive? What does gparted or parted
> > report?
> >
> > Are the files marked read only (ro), or is the entire flash drive
> > mounted ro?
> >
> > Are you editing the calc files from Linux or Windows?
> >
> > How, exactly, are you mounting the flash drive under Linux. What
> > command?
> >
> > How long has this been going on?
>
> What do the logs say? /var/log/syslog, or .../messages? Or however
> systemd folks call that stuff these days).
>
> If there's an event forcing the OS to put the file system in read-only
> mode (e.g. write error), you will see traces of it in the system logs.
>
> Cheers
>  - t
>

What file system is on the flash drive? What does gparted or parted
report?
Gparted shows fat32 as the file system of the flash drive.

Are the files marked read only (ro), or is the entire flash drive
mounted ro?
The dbf files seem to be READ WRITE EXECUTE for OWNER, GROUP, and OTHER

Are you editing the calc files from Linux or Windows?
>From Debian 10

How, exactly, are you mounting the flash drive under Linux. What
command?
I just insert the flash drive to the desktop computer and it mounts and is
ready for use.
If it matters, here is the /etc/fstab
UUID=2E7B-BA02   /media/kaye   vfat
user,rw,noauto,uid=1000,gid=users,umask=0,dmask=0,fmask=0,users,exec,x-systemd.device-timeout=5s,
  00

How long has this been going on?
Just last night

What do the logs say? /var/log/syslog, or .../messages?
I fail to open it

Re: Mise à jour initiale sécurisée par un pare-feu

[Jean-Michel OLTRA]

Bonjour,


Le dimanche 31 janvier 2021, firenze...@orange.fr a écrit...


> # iptables -A OUTPUT -d security.debian.org --dport 80 -j ACCEPT

Ajouter '-p tcp' ou '-p udp' dans la règle ?

> Autre question qui me vient. Si nftables est depuis buster le pare-feu par
> défaut, pourquoi n'y a-t-il pas d'instructions pour une mise à jour
> sécurisée par cet outil ?

Il y a moyen de passer d'un script iptables à nftables :
https://wiki.nftables.org/wiki-nftables/index.php/Moving_from_iptables_to_nftables

Sinon, je suppose que tu dois pouvoir trouver l'équivalent de ton tuto
iptables mais actualisé à nftables.

-- 
jm

Jumbo frames

[BERTRAND Joël]

Bonjour à tous,

Je vais poser sans aucun doute une question idiote, mais je me lance.
Cette question est un peu plus large que la simple utilisation d'une
machine Debian.

J'ai un réseau hétérogène chez moi :
- serveur frontal NetBSD 9.1 servant de serveur de boot/nfs/iSCSI, de
passerelle/routeur IPv4 et IPv6 ;
- un LAN pour mon activité pro et celle de mon épouse (il y a dessus des
machines diskless debian allant de PC traditionnels à des rPI3 servant
de passerelles wifi, mais on y trouve aussi des Free/NetBSD et du Devuan
en machine virtuelle) ;
- un LAN bien filtré pour les deux appartements de vacances (nous sommes
dans la pampa et contents le jour où le téléphone 3G passe correctement) ;
- deux LAN pour les archivages, un NAS qNAP par patte, destinés
uniquement à cet usage.

Le serveur principal est muni de cartes réseau Intel, les Realtek
n'aiment vraiment pas les jumbo frames, même lorsque l'on reste dans les
limites de taille imposées par le chipset. Les RTK (plusieurs types de
cartes de fond de tiroir) occasionnent des corruptions étranges, des
resets, bref, ne sont pas fiables. Ce n'est pas cher, mais on en a pour
son argent.

Sur les LAN destinés aux archivages, j'ai une MTU de 9000 de part et
d'autre. Tout va bien.

La question que je me pose est de savoir comment peut réagir une
machine dans une configuration suivante :
- client diskless Debian (avec une MTU à 9000 pour rationaliser les
accès iSCSI et NFS) ;
- autre client du type rPI3, diskless lui aussi, avec une MTU à 1500
(attaquant le même serveur NFS) ;
- serveur avec une MTU à 9000 ;
- accès internet avec une MTU à 1500 et modem en PPPoE avec une MTU à 1492.

J'ai souvenir dans l'ancien temps que les modems ne savaient pas
fragmenter les paquets et qu'il valait mieux coller sur la carte réseau
côté modem une MTU à 1492 pour éviter les trous mais cela semble avoir
disparu.

La question est donc la suivante : que se passe-t-il si un serveur a
une MTU de 9000 et que le client n'a que 1500 ? La MTU est-elle valable
pour l'émission ou aussi pour la réception ? En d'autres termes, puis-je
sans risque utiliser côté serveur une MTU à 9000 en ne touchant rien
d'autre ?

Bien cordialement,

JKB

Die Strategie des großen Gewinns: wo und wie

[Oliver Dr . Muth]

 Lass dich grüßen. Wie geht es dir?
https://bit.ly/2NFnKvY



Oliver Dr. Muth



1/30/2021 7:47:08 PM







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Mise à jour initiale sécurisée par un pare-feu

[firenze . rt]

Bonjour à tous,

À la demande d'un proche, j'ai fait une installation de Debian. Mais 
celui-ci a voulu en plus que je fasse la mise à jour sécurisée par un 
pare-feu d'après la page suivante :


https://www.debian.org/doc/manuals/securing-debian-manual/fw-security-update.fr.html

Je me mets donc à exécuter une à une les commandes indiquées dans ladite 
page. Mais quand j'arrive à la commande


# iptables -A OUTPUT -d security.debian.org --dport 80 -j ACCEPT

Le terminal me signale que --dport est une option inconnue. Mais comment 
faire alors si on ne peut pas appliquer les instructions de Debian à la 
lettre ?


Autre question qui me vient. Si nftables est depuis buster le pare-feu 
par défaut, pourquoi n'y a-t-il pas d'instructions pour une mise à jour 
sécurisée par cet outil ?


En tant qu'utilisateur, j'installe et j'active ufw avant de finaliser la 
première mise à jour du système. Et jusque là tout c'est bien passé. 
Mais qu'en est-il pour les plus exigeants en matière de sécurité ?


Par avance, merci pour vos réponses.

--
Debian GNU/Linux n'est pas un système d'exploitation libre.
Il est ce qu'on en fait.

Re: About mouse settings

[hdv@gmail]

On 2021-01-31 00:16, Vincent Lefevre wrote:

On 2021-01-30 19:58:13 +0100, hdv@gmail wrote:

I use xinput and xbindkeys to solve issues with mice and keyboards. Had to
to get my Logitech MX Ergo Trackball and MX Keys to do what I wanted them to
do. Works remarkably well, ... if the mouse and keyboard events are
recognized that is.


At a lower level (I think), you have evtest and input-events.


The problem is that inputs like the DPI button are pure hardware 
triggers and therefore are not detected at all. Some keys on the 
keyboard are like that too. Too bad, but I can live with that.


Grx HdV

Re: Flash Drive suddenly read only?

[tomas]

On Sat, Jan 30, 2021 at 11:27:52PM -0700, Charles Curley wrote:
> On Sun, 31 Jan 2021 14:00:31 +0800
> kaye n  wrote:
> 
> > When I plug in my usb flash drive to my desktop computer, I can edit
> > certain libreoffice calc files saved in that flash drive. But after I
> > try to copy several dbf files from the desktop computer hard drive to
> > the flash drive via the terminal, it says it's read only. When I open
> > the calc files again, they are now read only and cannot be edited.
> 
> What file system is on the flash drive? What does gparted or parted
> report?
> 
> Are the files marked read only (ro), or is the entire flash drive
> mounted ro?
> 
> Are you editing the calc files from Linux or Windows?
> 
> How, exactly, are you mounting the flash drive under Linux. What
> command?
> 
> How long has this been going on?

What do the logs say? /var/log/syslog, or .../messages? Or however
systemd folks call that stuff these days).

If there's an event forcing the OS to put the file system in read-only
mode (e.g. write error), you will see traces of it in the system logs.

Cheers
 - t


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