Re: Debian 11: How to disable IPv6

2022-07-09 Thread Charles Curley
On Sun, 10 Jul 2022 06:44:46 +0200 (CEST) local10 wrote: > Jul 10, 2022, 00:51 by charlescur...@charlescurley.com: > > > I do it in part by > > using my own resolver, BIND9, and having it return only IPv4 > > addresses. > > How did you do it? I tried to start named with "-4" option to use >

Re: nft newbie

2022-07-09 Thread Gareth Evans
On Sat 9 Jul 2022, at 10:05, Roger Price wrote: > On Sat, 9 Jul 2022, Gareth Evans wrote: > >> Also for any good nft/netfilter overview articles etc. > > Have you seen "Mastering Linux Security and Hardening", 2nd Edition, Donald > A. > Tevault, chapter 4. Suitable for those of us who read

Re: Problem mounting encrypted blu-ray disc or image

2022-07-09 Thread Tim Woodall
On Sat, 9 Jul 2022, B.M. wrote: Verifying that your procdure with two UDF images is not the culprit would help even if the result is boringly ok, as we expect. (Or we are in for a surprise ...) I don't have two UDF images. Not been following this closely, but I do something very similar and

Re: Debian 11: How to disable IPv6

2022-07-09 Thread local10
Jul 10, 2022, 00:51 by charlescur...@charlescurley.com: > I do it in part by > using my own resolver, BIND9, and having it return only IPv4 addresses. > How did you do it? I tried to start named with "-4" option to use only ipv4 but it refused to start with that option, IIRC. Regards,

Re: Debian 11: How to disable IPv6

2022-07-09 Thread gene heskett
On 7/9/22 21:00, Greg Wooledge wrote: On Sat, Jul 09, 2022 at 06:51:22PM -0600, Charles Curley wrote: On Sat, 9 Jul 2022 15:59:48 -0400 gene heskett wrote: Andy, you obviously don't live in ipv4 only territory. Until n-m or whatever gets trained to auto switch to ipv4 if 6 fails, then we

Re: Debian 11: How to disable IPv6

2022-07-09 Thread Greg Wooledge
On Sat, Jul 09, 2022 at 06:51:22PM -0600, Charles Curley wrote: > On Sat, 9 Jul 2022 15:59:48 -0400 > gene heskett wrote: > > > Andy, you obviously don't live in ipv4 only territory. Until n-m or > > whatever gets trained to auto switch to ipv4 if 6 fails, then we have > > no choice but to

Re: Debian 11: How to disable IPv6

2022-07-09 Thread Charles Curley
On Sat, 9 Jul 2022 15:59:48 -0400 gene heskett wrote: > Andy, you obviously don't live in ipv4 only territory. Until n-m or > whatever gets trained to auto switch to ipv4 if 6 fails, then we have > no choice but to disable it if we want network connectivity of any > kind outside of our own home

Re: Any way to make apt ignore dpkg status file?

2022-07-09 Thread Tim Woodall
On Sat, 9 Jul 2022, Tim Woodall wrote: Hi $ APT_CONFIG=../apt/apt.conf.buster.amd64 apt-cache policy dpkg dpkg: Installed: 1.20.10 Candidate: 1.20.10 Version table: *** 1.20.10 100 100 /var/lib/dpkg/status 1.19.8 500 500 http://aptmirror17.home.woodall.me.uk/local

Re: Problem mounting encrypted blu-ray disc or image

2022-07-09 Thread David Christensen
On 7/9/22 08:41, B.M. wrote: If you want you can have a look at my script, I attached it to this mail... I have written several generations of such scripts in Bourne and Perl over the past 3+ decades. They all have obvious and inobvious limitations and bugs. What we both have are

Re: Debian 11: How to disable IPv6

2022-07-09 Thread gene heskett
On 7/9/22 11:31, Andy Smith wrote: Hello, On Sat, Jul 09, 2022 at 04:52:27PM +0200, Roger Price wrote: When I try to start fetchmail I get the error message Jul 09 10:22:57 titan fetchmail[7286]: reading message mail...@rogerprice.org@mail.gandi.net:1 of

Re: Verwisseling sda en sdb

2022-07-09 Thread Diederik de Haas
On Saturday, 9 July 2022 20:16:36 CEST Sjoerd wrote: > Nee, sda is een SSD van 256 GB, sdb een harde schijf van 1 TB. Voor de kernel zijn dat dezelfde categorie schijven, vandaar dat de schijfaanduiding bij allebei sdX is. > > Is het UEFI? > > Nee, nog altijd BIOS. > Misschien nog eens een

Re: Verwisseling sda en sdb

2022-07-09 Thread Sjoerd
Paul van der Vlis schreef: > Waarom die sda en sdb soms verwisseld zijn weet ik ook niet, misschien > een timing issue. Vertel misschien wat het voor apparaten zijn, zitten > er USB apparaten bij? Nee, sda is een SSD van 256 GB, sdb een harde schijf van 1 TB. > En wat is de bootvolgorde in het

Re: Verwisseling sda en sdb

2022-07-09 Thread Diederik de Haas
On Saturday, 9 July 2022 18:05:11 CEST Sjoerd wrote: > Het volgende vreemde verschijnsel doet zich voor. (Debian testing) > Meestal, maar niet altijd, zie ik dat sda en sdb verwisseld zijn. Je kan/mag er NIET van uit gaan dat de letters constant naar dezelfde schijf wijzen. De kernel 'probed'

Re: Verwisseling sda en sdb

2022-07-09 Thread Paul van der Vlis
Hoi Sjoerd, Op 09-07-2022 om 18:05 schreef Sjoerd: Het volgende vreemde verschijnsel doet zich voor. (Debian testing) Meestal, maar niet altijd, zie ik dat sda en sdb verwisseld zijn. Bijvoorbeeld, bij een 'df' zie ik dat '/' op sdb2 zit, terwijl ik weet dat ik op sda2 zit. In gparted zie ik

Virtualisation distribuée de machines (avec différents OS)

2022-07-09 Thread roger . tarani
Bonjour, Je vise le double objectif suivant : 1/ permettre à des utilisateurs linux (CLI ou GUI) ou autre win (ou MacOS, mais ça coince un peu apparemment) d'accéder à leur machine devenue virtualisée sur un beau serveru linux ; depuis un poste quelconque muni du client idoine (ssh, x2go,

Re: Problem mounting encrypted blu-ray disc or image

2022-07-09 Thread Thomas Schmitt
Hi, B.M. wrote: > If you want you can have a look at my script, I attached it to this mail... Will do. (There must be some rational explanation ...) > "Filesystem full" is not handled at all. Typically if this happens it's > quite late i.e. most folders are already backuped and I do the

Verwisseling sda en sdb

2022-07-09 Thread Sjoerd
Het volgende vreemde verschijnsel doet zich voor. (Debian testing) Meestal, maar niet altijd, zie ik dat sda en sdb verwisseld zijn. Bijvoorbeeld, bij een 'df' zie ik dat '/' op sdb2 zit, terwijl ik weet dat ik op sda2 zit. In gparted zie ik dat sda en sdb overal verwisseld zijn. Bij een

Re: ALSA pcm problem

2022-07-09 Thread Dan Ritter
Thomas George wrote: > > On 7/8/22 7:30 PM, Dan Ritter wrote: > > Thomas George wrote: > > > On 7/8/22 5:57 PM, Dan Ritter wrote: > > > > Thomas George wrote: > > > > > speaker-test fails > > > > Now try > > > > speaker-test -C2 -Dhw:Generic > > speaker-test -C2 -Dfront:Generic > > > > and so

Re: Problem mounting encrypted blu-ray disc or image

2022-07-09 Thread B.M.
> > > A UDF filesystem image is supposed to bear at its start 32 KiB of zeros. > > B.M. wrote: > > This is indeed the case: > > [...] > > For a readable disk, this look like you said: Only zeros. > > So it looks like at least a part of the problem is decryption. Agreed > > > If UDF does not work

Re: Debian 11: How to disable IPv6

2022-07-09 Thread Christian Britz
Am 09.07.22 um 16:14 schrieb Andy Smith: > Sounds like you have a misconfiguration that should be fixed, rather > than disabling IPv6 to work around it. > I do not know about this case, but there are still situations where applications have problems with IPv6. For example the proprietary

Re: Debian 11: How to disable IPv6

2022-07-09 Thread Christian Britz
Am 09.07.22 um 15:52 schrieb Roger Price: > because directory /proc/sys/net/ipv6 doesn't exist. What is the new way of > disabling IPv6? I did it recently just in the way you described on Debian 11. -- http://www.cb-fraggle.de

Re: Debian 11: How to disable IPv6

2022-07-09 Thread Andy Smith
Hello, On Sat, Jul 09, 2022 at 04:52:27PM +0200, Roger Price wrote: > When I try to start fetchmail I get the error message > > Jul 09 10:22:57 titan fetchmail[7286]: > reading message > mail...@rogerprice.org@mail.gandi.net:1 of 7 (8954 octets) >

Re: Debian 11: How to disable IPv6

2022-07-09 Thread Greg Wooledge
On Sat, Jul 09, 2022 at 04:52:27PM +0200, Roger Price wrote: > Jul 09 10:22:57 titan fetchmail[7286]: > Connection errors for this poll: > name 0: connection to localhost:smtp [127.0.0.1/25] failed: > Connection refused. > name

Re: Debian 11: How to disable IPv6

2022-07-09 Thread Roger Price
On Sat, 9 Jul 2022, Andy Smith wrote: On Sat, Jul 09, 2022 at 03:52:03PM +0200, Roger Price wrote: I would like to disable IPv6 adapters in order to persuade fetchmail to talk to exim4. Sounds like you have a misconfiguration that should be fixed, rather than disabling IPv6 to work around it.

Re: Debian 11: How to disable IPv6

2022-07-09 Thread Andy Smith
Hello, On Sat, Jul 09, 2022 at 03:52:03PM +0200, Roger Price wrote: > I would like to disable IPv6 adapters in order to persuade > fetchmail to talk to exim4. Sounds like you have a misconfiguration that should be fixed, rather than disabling IPv6 to work around it. >

Re: Debian 11: How to disable IPv6

2022-07-09 Thread Greg
On 7/9/22 15:52, Roger Price wrote: In a Debian 11 system, I would like to disable IPv6 adapters in order to persuade fetchmail to talk to exim4.  The advice generally given is to add a line to /etc/sysctl.conf  net.ipv6.conf.all.disable_ipv6 = 1 and run sysctl -p as root.  With Debian 11

Debian 11: How to disable IPv6

2022-07-09 Thread Roger Price
In a Debian 11 system, I would like to disable IPv6 adapters in order to persuade fetchmail to talk to exim4. The advice generally given is to add a line to /etc/sysctl.conf net.ipv6.conf.all.disable_ipv6 = 1 and run sysctl -p as root. With Debian 11 this generates the error message

Re: easy package manager for debian based distros

2022-07-09 Thread David Wright
On Sat 09 Jul 2022 at 08:58:36 (-0400), Devin Harper wrote: [reordered into some sort of logical order] > please add the most necessary and common examples of package management > with apt to the synopsis of "man apt". > the commands that should be in the synopsis are "sudo apt update", > "apt

easy package manager for debian based distros

2022-07-09 Thread Devin Harper
hi please add the most necessary and common examples of package management with apt to the synopsis of "man apt". this will act as a readme for all debian based distros to use apt as their only package manager. cli package management is way better than ubuntu's software package manager for

Re: Any way to make apt ignore dpkg status file?

2022-07-09 Thread Dan Ritter
Tim Woodall wrote: > Hi > > $ APT_CONFIG=../apt/apt.conf.buster.amd64 apt-cache policy dpkg > dpkg: > Installed: 1.20.10 > Candidate: 1.20.10 > Version table: > *** 1.20.10 100 > 100 /var/lib/dpkg/status > 1.19.8 500 > 500 http://aptmirror17.home.woodall.me.uk/local

Re: nft newbie

2022-07-09 Thread Roger Price
On Sat, 9 Jul 2022, Gareth Evans wrote: Also for any good nft/netfilter overview articles etc. Have you seen "Mastering Linux Security and Hardening", 2nd Edition, Donald A. Tevault, chapter 4. Suitable for those of us who read this newbie thread. Roger

Re: nft newbie

2022-07-09 Thread Gareth Evans
On Sat 9 Jul 2022, at 07:17, Gareth Evans wrote: [...] > If there is no drop by default, why add "policy accept" for > related/established as it does? Doesn't this happen anyway? I suppose this probably modifies behaviour for otherwise closed ports (which would make sense for a firewall!)

Re: nft newbie

2022-07-09 Thread Gareth Evans
Having found ufw suited my needs I have only dabbled with firewalld / firewall-config / firewall-applet over the years. Having noticed the recommendation for firewalld on the debian wiki re nftables https://wiki.debian.org/nftables#Use_firewalld I installed it and had a look at the default