Core dumps are instantly removed

2019-12-18 Thread Dmitry Katsubo
Dear Debian users, Hopefully you can easily help me with my confusion. I would like to collect / keep core dumps in the system. For that I use systemd-coredump package which is configured as following: === cut /etc/systemd/coredump.conf === [Coredump] Storage=external MaxUse=5G === cut === The

Re: Broken PMTUD / ICMP blackhole?

2019-12-18 Thread Curt
On 2019-12-18, Anthony DeRobertis wrote: > > Another option might be to use Network Manager, I think its connections > can set a custom MTU, but I'm not 100% sure as I've never tried it. I've used tethering successfully with Network Manager but never had occasion to alter the mtu settings. Why

Re: Broken PMTUD / ICMP blackhole?

2019-12-18 Thread Celejar
On Wed, 18 Dec 2019 02:30:01 -0500 Anthony DeRobertis wrote: > On 12/17/19 11:39 AM, Celejar wrote: > > > > Now I just have have to figure out the best place to configure this. > > I'm using dhcp via /etc/network/interfaces, but the 'dhcp' method > > doesn't seem to support manual MTU setting. I

Re: Broken PMTUD / ICMP blackhole?

2019-12-18 Thread Celejar
On Wed, 18 Dec 2019 10:59:11 - (UTC) Curt wrote: > On 2019-12-18, Anthony DeRobertis wrote: > > > > Another option might be to use Network Manager, I think its connections > > can set a custom MTU, but I'm not 100% sure as I've never tried it. > > I've used tethering successfully with Netw

Re: Broken PMTUD / ICMP blackhole?

2019-12-18 Thread John Hasler
Celejar writes: > I'm not that familiar with the internals, but basically, the phone > presents a wifi access point, the computer connects to it as it would > to any AP, and the phone apparently routes packets to and from the > cellular network. Yes, I know that. However, the packets are being en

Re: Invisible IPv6 addresses

2019-12-18 Thread John Hasler
This may be what you have: https://en.wikipedia.org/wiki/IPv6#IPv4-mapped_IPv6_addresses -- John Hasler jhas...@newsguy.com Elmwood, WI USA

Re: Broken PMTUD / ICMP blackhole?

2019-12-18 Thread John Hasler
Celejar writes: > It does work (and to automate it, I'll probably put it in e/n/i with a > post-up line) - I'm just looking for the "right" way to do it (and to > undo it on connection down, as I discussed in another message in this > thread). I wouldn't worry about doing it the *right* way. It's

Debian on raspberrypi: failed to configure wlan0

2019-12-18 Thread Franco Martelli
Hi everybody, Following the instructions reported on the Debian unofficial port home-site [1] I successful installed Debian on raspberrypi 3B 2016 all works fine for my needs but configuring the built-in wi-fi interface apparently it works but reporting errors: ~# ip addr show dev wlan0 3: wlan0:

Re: Debian on raspberrypi: failed to configure wlan0

2019-12-18 Thread Nektarios Katakis
On Wed, 18 Dec 2019 16:28:40 +0100 Franco Martelli wrote: > Hi everybody, > > Following the instructions reported on the Debian unofficial port > home-site [1] I successful installed Debian on raspberrypi 3B 2016 all > works fine for my needs but configuring the built-in wi-fi interface > appare

Home made backup system

2019-12-18 Thread rhkramer
Aside / Admission: I don't backup all that I should and as often as I should, so I'm looking for ways to improve. One thought I have is to write my own backup "system" and use it, and I've thought about that a little, and provide some of my thoughts below. A purpose of sending this to the mail

Re: Home made backup system

2019-12-18 Thread Levente
It depends what do you want to backup. If that is code, or text files, use git. If they are photos videos or mostly binary, use some script and magnetic tapes. Levente On Wed, Dec 18, 2019, 18:03 wrote: > Aside / Admission: I don't backup all that I should and as often as I > should, > so I'm

Re: Home made backup system

2019-12-18 Thread billium
On 18/12/2019 17:02, rhkra...@gmail.com wrote: Aside / Admission: I don't backup all that I should and as often as I should, so I'm looking for ways to improve. One thought I have is to write my own backup "system" and use it, and I've thought about that a little, and provide some of my thoughts

Re: Home made backup system

2019-12-18 Thread tomas
On Wed, Dec 18, 2019 at 12:02:56PM -0500, rhkra...@gmail.com wrote: > Aside / Admission: I don't backup all that I should and as often as I should, > so I'm looking for ways to improve [...] > Part of the reason for doing my own is that I don't want to be trapped into > using a system that might

Re: Debian on raspberrypi: failed to configure wlan0

2019-12-18 Thread Franco Martelli
On 18/12/19 at 17:32, Nektarios Katakis wrote: > > You should try to associate the wireless nic with your wifi by running > only wpa_supplicant to see if that succeeds (the link state should > change - the mode in the `iwconfig` command should be managed). > > For example this is how my config lo

[Solved] Re: Invisible IPv6 addresses

2019-12-18 Thread Celejar
On Wed, 18 Dec 2019 10:27:51 +0300 Reco wrote: > Hi. > > On Tue, Dec 17, 2019 at 04:54:17PM -0500, Celejar wrote: > > But the IPv6 address e:f:g:h:i:j:k:l is not actually configured > > anywhere on the router (as shown by 'ip a' and other tools)! > > Either there's some IPv6 - IPv4 conver

Re: Invisible IPv6 addresses

2019-12-18 Thread Celejar
On Wed, 18 Dec 2019 07:41:21 -0600 John Hasler wrote: > This may be what you have: > https://en.wikipedia.org/wiki/IPv6#IPv4-mapped_IPv6_addresses Thank you. As per my other mail, it turns out that it's apparently this: https://en.wikipedia.org/wiki/IPv6_transition_mechanisms#NAT64 https://en.w

Re: Broken PMTUD / ICMP blackhole?

2019-12-18 Thread Celejar
On Wed, 18 Dec 2019 07:47:18 -0600 John Hasler wrote: > Celejar writes: > > It does work (and to automate it, I'll probably put it in e/n/i with a > > post-up line) - I'm just looking for the "right" way to do it (and to > > undo it on connection down, as I discussed in another message in this >

Re: Broken PMTUD / ICMP blackhole?

2019-12-18 Thread Celejar
On Wed, 18 Dec 2019 07:29:08 -0600 John Hasler wrote: > Celejar writes: > > I'm not that familiar with the internals, but basically, the phone > > presents a wifi access point, the computer connects to it as it would > > to any AP, and the phone apparently routes packets to and from the > > cellu

Re: Broken PMTUD / ICMP blackhole?

2019-12-18 Thread John Hasler
Celejar writes: > I assume the phone first just routes them from wifi to cellular. I'm > not familiar with how it then transmits them over the cellular link. It has to encapsulate them in some way for the cellular protocol. > Yes, but that happens with virtually all this machine's network > conne

Re: Home made backup system

2019-12-18 Thread elvis
If you don't to reinvent the wheel, and have more than one computer to backup... try Bacula  www.bacula.org does everything you want On 19/12/19 3:02 am, rhkra...@gmail.com wrote: Aside / Admission: I don't backup all that I should and as often as I should, so I'm looking for ways to improve

Re: Broken PMTUD / ICMP blackhole?

2019-12-18 Thread Celejar
On Wed, 18 Dec 2019 13:58:38 -0600 John Hasler wrote: > Celejar writes: > > I assume the phone first just routes them from wifi to cellular. I'm > > not familiar with how it then transmits them over the cellular link. > > It has to encapsulate them in some way for the cellular protocol. > > > Y

Re: Home made backup system

2019-12-18 Thread rhkramer
Thanks to all who replied! This script (or elements of it) looks useful to me, but I don't fully understand it -- I plan to work my way through it -- I have a few questions now, I'm sure I will have more after I get past the first 3 (or more encouraging to me, first 6) lines. Questions below:

Re: Home made backup system

2019-12-18 Thread Charles Curley
On Wed, 18 Dec 2019 12:02:56 -0500 rhkra...@gmail.com wrote: > Aside / Admission: I don't backup all that I should and as often as I > should, so I'm looking for ways to improve. One thought I have is to > write my own backup "system" and use it, and I've thought about that > a little, and provid

Re: Home made backup system

2019-12-18 Thread songbird
rhkra...@gmail.com wrote: ... >> if test -z "$home" -o \! -d "$home" ; then > > What does the -o \! do -- hmm, I guess \! is a bash "refeence" to the owner > -- no, -o is logical or in that context. the backslash is just protecting the ! operator which is the not operator on what follows.

Re: Broken PMTUD / ICMP blackhole?

2019-12-18 Thread John Hasler
Celejar writes: > ...the problem only occurs when tethering. Which is the only time the cellular encapsulation is being done. -- John Hasler jhas...@newsguy.com Elmwood, WI USA

Re: Home made backup system

2019-12-18 Thread David Christensen
On 2019-12-18 09:02, rhkra...@gmail.com wrote: Aside / Admission: I don't backup all that I should and as often as I should, so I'm looking for ways to improve. One thought I have is to write my own backup "system" and use it, and I've thought about that a little, and provide some of my thoughts

Re: Debian on raspberrypi: failed to configure wlan0

2019-12-18 Thread Andrei POPESCU
On Mi, 18 dec 19, 18:34:03, Franco Martelli wrote: > > Thanks for your answer I've just solved thank reading this link [1] it > was the gateway line once commented all work fine. Now the wlan0 > configuration file is: Apparently with ifupdown[2] you can't have the same default gateway for severa