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I need an E-Mail expert to help me solve this
by Chris Green 19 Feb '17

19 Feb '17

I have an E-Mail requirement/problem that I've wasted several hours on over the past few days to little effect. Maybe someone here can help. My home (linux) machine runs all the time and hosts the domain zbmc.eu which is registered at gandi.net. The zone file there is configured to point at my home machine and the MX record is set up too:- chris@cheddar$ host zbmc.eu zbmc.eu has address 84.92.49.234 zbmc.eu mail is handled by 10 zbmc.eu. chris@cheddar$ 84.92.49.234 is my PlusNet ADSL connection. I have several domains hosted at TsoHost with associated E-Mail addresses (e.g. chris(a)isbd.co.uk, chris(a)isbd.net, cl(a)isbd.net). These all eventually forward their E-Mail from the TsoHost servers to chris(a)zbmc.eu. I run a postfix server on my home machine which receives these E-Mails and puts them in my mail spool. This has been working fine for several years. However I now want to send E-Mail from the 'outside world' to chris(a)zbmc.eu. The specific requirement is to send errors from cron on various SBCs to me and I originally thought it was a misconfiguration at the sending end was the problem but it's more general. No mail sent from outside to chris(a)zbmc.eu arrives on my home machine, it just disappears, no errors, no bounces, nothing. Bit it works from the TsoHost cloud servers, why can they send E-Mail successfully to chris(a)zbmc.eu whereas no one else can? I have done lots of tests and experiments so far:- I've tried sending from three different sites (PlusNet, Gandi and a Linux box) to chris(a)zbmc.eu, mail just disappears. Identical E-Mail sent to chris(a)isbd.net arrives OK. I have a postfix server set up on my Beaglebone black in France (to send the cron messages). If I monitor the mail.log file when connecting to the SMTP server at TsoHost (mail3.gridhost.co.uk) the logging is exactly the same for mails sent to chris(a)zbmc.eu as for mails sent to chris(a)isbd.net. Wierdly (and this is what confused me somewhat at the start) I have an identical postfix setup on a Raspberry Pi on my home LAN, also for sending cron errors. It connects directly to the same SMTP server at TsoHost as the Beaglebone does. However E-Mail to chris(a)zbmc.eu from the Pi works! So it would seem that there's something 'out there' that's routing mail for zbmc.eu to the wrong place (or nowhere), but it doesn't get at the mail sent from within TsoHost for some reason. I.e. TsoHost seems to do what I hoped/expected with E-Mail for chris(a)zbmc.eu but no one else does. Help! :-) -- Chris Green

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Re: [ALUG] Managing cron and similar E-Mails from headless systems
by mark fernandes 17 Feb '17

17 Feb '17

Looks live reverse alias are what you need... https://linux.die.net/man/8/ssmtp

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[ALUG Announce] ALUG Norwich Pub Meet Thursday 9th February
by Viperfang 06 Feb '17

06 Feb '17

ALUG Announce Please send announcements to Announce(a)lists.alug.org.uk Unsub, change settings via https://lists.alug.org.uk/mailman/listinfo/announce ----- Hello Norwich Aluggers, Our monthly ALUG Norwich social meeting will be held this Thursday, 9th February at The Coach and Horses (82 Thorpe Road, Norwich, NR1 1BA). The meeting officially starts at 8pm, although some people may arrive earlier. More information on those people can be found on the list and the IRC channel. If you are unsure if you will recognise us then make yourself and your intent to attend known by either posting on list or visiting us on IRC so we can look out for you rather than hiding in the corner. Optionally you could ask at the bar if they know where the geeky computer weirdos are and they'll point you in the right direction (seriously!). Another possibility is look for heaps of electronics on a table that may possibly look like movie props that would used for detonating explosives. Feel free to bring electronics/laptops/gadgets to the meet, you will by no means be alone. Ben Bewick aka Viperfang NB: This mail is automated, please refer to the usual sources for more information. ALUG Contact Details: Website : http://www.alug.org.uk/ IRC : #alug on irc.alug.org.uk List : http://lists.alug.org.uk/mailman/listinfo Twitter : http://twitter.com/anglianlug Identica: TBA Facebook: http://www.facebook.com/group.php?gid=2381613902 ----- Send discussion replies to main(a)lists.alug.org.uk (Reply-To set) Unsub, change settings via https://lists.alug.org.uk/mailman/listinfo/announce

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2600 meeting at 18:00 on Friday the 3rd February.
by Viperfang 31 Jan '17

31 Jan '17

Quick heads up about this months Norwich 2600 meeting, more info at http://www.norwich2600.co.uk

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How to get rid of these corrupted files?
by Chris Green 28 Jan '17

28 Jan '17

I have some files/directories which have obviously become corrupted. The disk checks out OK with fsck though and I don't want to reformat it. One of the directories in question is as follows:- total 40 d-wxr-S-wT 2 3775186858 3662599049 4096 Sep 11 1991 18039.dat ---xr-srwT 30 3023870906 1270584165 45056 Mar 1 1938 18591.dat -r-x-wxr-T 30 2743781339 1057221377 28672 Jun 6 1929 18684.dat Even as root I can't seem to do anything with this, both rm and chmod fail with 'permission denied'. So, how do I do anything with these? -- Chris Green

2 6

Wanted - plain, simple, GUI address book
by Chris Green 28 Jan '17

28 Jan '17

I use mutt for E-Mail but I'm looking for a GUI address book because my address book requirements extend well beyond (but include) E-Mail addresses for mutt. I have been using the Contacts app in Owncloud with pycardsyncer keeping a local address list in sync with the Owncloud Contacts for mutt to use. However I'd like to make things simpler and better, the existing set-up has some disadvantages (for me) :- The Owncloud Contacts app is not very good, in particular you can't sort by Last Name which really bugs me. I'd really prefer to keep addresses wholly locally rather than on the cloud (even though it's my own cloud). Apart from anything else I'm quite often not able to access the internet and I still want my addresses and to be able to update them. The pycardsyncer (plus pc_query) application is 'deprecated', it's being superseded by vcardsyncer and some other bits and pieces. They're not in the Ubuntu repositories though and I prefer not to go 'ex repository'. The current set up is a fairly complicated way to fulfil a simple requirement. So I'm after a nice, simple, GUI address book program for my Linux desktop and laptop. I'm happy to use a mail program whose address book is easily accessible without navigating past the mail bit (e.g. like Thunderbird, but Thunderbird is overkill). I either want a mutt accessibility option or for the data to be kept in something sensible like a sqlite database that I can quickly write a simple script for to feed mutt. It must support postal addresses, phone numbers, etc. and preferably have some notes/comments ability too. I'd prefer something in the Ubuntu repositories though something in Python that I can maintain myself is also OK. Any suggestions anyone? -- Chris Green

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How to unmount an ext4 file system, journalling makes it permanently busy
by Chris Green 13 Jan '17

13 Jan '17

Is there any way to unmount an ext4 filesystem without shutting down? I can do it easily by going to single-user mode or removing the filesystem from /etc/fstab and rebooting but both of these require the system to be shut down. However it seems to be impossible otherwise because the journalling process makes the filesystem busy. Is this right? -- Chris Green

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Re: [ALUG] How to get rid of these corrupted files?
by Srdjan Todorovic 11 Jan '17

11 Jan '17

On 11 Jan 2017 09:58, "Chris Green" <cl(a)isbd.net> wrote: On Tue, Jan 10, 2017 at 10:10:42AM +0000, Chris Green wrote: > > Otherwise, I'm out of ideas. > > > So am I, I'm copy all the files of the drive and I'm going to re-make > the file systems. > ... and now, 16 hours later I'm seeing some errors. I've run 'mkfs.ext4 -c -c /dev/sdb1 and on the *second* pass I'm seeing some errors. The first 0xAA pass got no errors but the pass that's running now, writing 0x55, is getting some errors. So, presumably, that's what the problem is. However it's strange that nothing else was showing any errors, SMART reported nothing at all and Did smart long test complete at all? Im under the impression it only works when disk is idle, so if you were fscking then it wouldnt have been idle. Thats certainly been my experience recently. Regards Srdj

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[ALUG Announce] ALUG Norwich Pub Meet Thursday 12th January
by Viperfang 09 Jan '17

09 Jan '17

ALUG Announce Please send announcements to Announce(a)lists.alug.org.uk Unsub, change settings via https://lists.alug.org.uk/mailman/listinfo/announce ----- Hello Norwich Aluggers, Our monthly ALUG Norwich social meeting will be held this Thursday, 12th January at The Coach and Horses (82 Thorpe Road, Norwich, NR1 1BA). The meeting officially starts at 8pm, although some people may arrive earlier. More information on those people can be found on the list and the IRC channel. If you are unsure if you will recognise us then make yourself and your intent to attend known by either posting on list or visiting us on IRC so we can look out for you rather than hiding in the corner. Optionally you could ask at the bar if they know where the geeky computer weirdos are and they'll point you in the right direction (seriously!). Another possibility is look for heaps of electronics on a table that may possibly look like movie props that would used for detonating explosives. Feel free to bring electronics/laptops/gadgets to the meet, you will by no means be alone. Ben Bewick aka Viperfang NB: This mail is automated, please refer to the usual sources for more information. ALUG Contact Details: Website : http://www.alug.org.uk/ IRC : #alug on irc.alug.org.uk List : http://lists.alug.org.uk/mailman/listinfo Twitter : http://twitter.com/anglianlug Identica: TBA Facebook: http://www.facebook.com/group.php?gid=2381613902 ----- Send discussion replies to main(a)lists.alug.org.uk (Reply-To set) Unsub, change settings via https://lists.alug.org.uk/mailman/listinfo/announce

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2600 meeting at 18:00 on Friday the 6th January.
by Viperfang 03 Jan '17

03 Jan '17

Quick heads up about this months Norwich 2600 meeting, more info at http://www.norwich2600.co.uk

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