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SPF Record problem
by steve-ALUG＠hst.me.uk 17 Feb '23

17 Feb '23

Hi all I have just seen a message saying that Gmail is going to reject all emails without an SPF set up, so I thought I'd try for my mail server. Of course I have immediately run into trouble. My email gets sent via a virgin media server, currently smtp.ntlworld.com but I may update to smtp.virginmedia.com in future I used an SPF Wizard https://www.spfwizard.net It generated v=spf1 mx a a:smtp.ntlworld.com a:smtp.virginmedia.com ~all which if I read it right, accepts my domain, or smtp.ntlworld.com or smtp.virginmedia.com as valid email handlers for my email, with a "soft fail". [I used a soft fail for debugging - I want to swap to hard fail, but can't until I get this right] I've sent a couple of emails to test, and here's the snag. By the time they get to google, they're coming from 212.54.57.96 212.54.57.97 If I do a whois on that, I get back ziggo.nl (VODAFONEZIGGO) I expect email to smtp.ntlworld.com gets redirected to another server, or group of servers, inside virgin media, no doubt with a name like */MAILSERVER./*virginmedia.com (for some value of MAILSERVER), and that's handled by a range of IP addresses. How can I craft a valid SPF record, if I don't know which IP addresses or name to put in the spf? Why is virgin media mail ending up on a server in NL, or is that just an out-of-date or wrong whois lookup? Any ideas????? I'm struggling! Steve

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JOB | Engineer (London, UK)
by James Tobin 03 Feb '23

03 Feb '23

Hello, I'm working with an employer that is looking to hire someone to run a team of system engineers responsible for all on prem servers and related tools. Consequently, I hoped that some members of this list may like to discuss with me further. I can be reached using "JamesBTobin (at) Gmail (dot) Com". Kind regards, James

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Mouse trouble
by Bev Nicolson 09 Jan '23

09 Jan '23

So the light comes on under my optical (wired) mouse but the cursor doesn't move. I've just tried the usb slot with a usb stick and it's fine. Ideas? Other than get a new mouse which I am doing? lsusb brings: Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 004: ID 0c45:648b Microdia Integrated Webcam Bus 001 Device 003: ID 413c:8197 Dell Computer Corp. Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bev

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Looking for E-Mail hosting as opposed to web hosting, recommendations wanted
by Chris Green 24 Nov '22

24 Nov '22

I am having trouble with my E-Mail at the moment. Since the move from 'Cloud' hosting to their cPanel services my E-Mail at TsoHost hasn't run very well. So I'm wondering if I might move my two, basically E-Mail only, domains away from TsoHost. There's basically four users with lots of forwarding and other such things. I need to host two domains, have the ability to create IMAP/POP3 mailboxes, multiple forwarding, etc. So it's not *big* but does need to be flexible (and cheap!). Does anyone have any recommendations? -- Chris Green

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A remaining puzzle with AMD
by Peter 18 Nov '22

18 Nov '22

This is about my new AMD installation. After finally figuring out how to upgrade just the kernel so as to be able to make pm-suspend work properly, there is one remaining issue I can't seem to figure out, and that is the temperature sensors. I have lm-sensors installed and this is what it shows: k10temp-pci-00c3 Adapter: PCI adapter Tctl: +31.5°C amdgpu-pci-0b00 Adapter: PCI adapter vddgfx: 856.00 mV vddnb: 737.00 mV edge: +30.0°C PPT: 0.00 W nct6792-isa-0290 Adapter: ISA adapter in0: 864.00 mV (min = +0.00 V, max = +1.74 V) in1: 0.00 V (min = +0.00 V, max = +0.00 V) in2: 3.34 V (min = +0.00 V, max = +0.00 V) ALARM in3: 3.34 V (min = +0.00 V, max = +0.00 V) ALARM in4: 0.00 V (min = +0.00 V, max = +0.00 V) in5: 0.00 V (min = +0.00 V, max = +0.00 V) in6: 808.00 mV (min = +0.00 V, max = +0.00 V) ALARM in7: 3.41 V (min = +0.00 V, max = +0.00 V) ALARM in8: 3.25 V (min = +0.00 V, max = +0.00 V) ALARM in9: 1.83 V (min = +0.00 V, max = +0.00 V) ALARM in10: 176.00 mV (min = +0.00 V, max = +0.00 V) ALARM in11: 128.00 mV (min = +0.00 V, max = +0.00 V) ALARM in12: 1.84 V (min = +0.00 V, max = +0.00 V) ALARM in13: 1.68 V (min = +0.00 V, max = +0.00 V) ALARM in14: 0.00 V (min = +0.00 V, max = +0.00 V) fan1: 384 RPM (min = 0 RPM) fan2: 1023 RPM (min = 0 RPM) fan3: 0 RPM (min = 0 RPM) fan4: 0 RPM (min = 0 RPM) fan5: 0 RPM (min = 0 RPM) SYSTIN: +119.0°C (high = +0.0°C, hyst = +0.0°C) sensor = thermistor CPUTIN: +30.5°C (high = +80.0°C, hyst = +75.0°C) sensor = thermistor AUXTIN0: +37.0°C (high = +0.0°C, hyst = +0.0°C) ALARM sensor = thermistor AUXTIN1: +108.0°C sensor = thermistor AUXTIN2: +109.0°C sensor = thermistor AUXTIN3: -128.0°C sensor = thermistor SMBUSMASTER 0: +31.5°C PCH_CHIP_CPU_MAX_TEMP: +0.0°C PCH_CHIP_TEMP: +0.0°C PCH_CPU_TEMP: +0.0°C TSI0_TEMP: +31.5°C intrusion0: OK [small snip...] I don't get it. First, its impossible there can be 100C+ temps. The case fan is silent, the psu fan is not moving, the system works fine and feels cool in fact cold to the touch. Second, how can it possibly be -128.0C on one of the readings? The system itself seems to be running quite fast and perfectly silently. I have a Noctua low profile CPU cooler which should be more than equal to the cpu installed, the psu is a Corsair SFF, Gold 450, and it all seems fine. You hear the fans for a few seconds at startup, after that, silence. I am running Debian stable but as in the earlier post when trying to get suspend to work, have the testing kernel installed. Was hoping that would clear up the temp problem but no luck. By the way, acpi -t returns nothing. Any suggestions? Or should I just stop worrying? Peter

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Re: A remaining puzzle with AMD
by Peter 18 Nov '22

18 Nov '22

The only thing I could think of, as an alternate source of temp information, was to restart the system after it had been on for a few hours and go immediately into bios and look at the temps provided in the HW Monitor tab. Well, fans were reported as doing roughly the same speeds as reported by lm-sensors, and the cpu temperature is reported as 43C. So I guess its a matter of not worrying about it, and maybe in some update at some point it will get fixed. Thanks. Its good to know that others get similarly erratic results from lm-sensors, so its not just me doing something stupid! Peter

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Re: A remaining puzzle with AMD
by peter 17 Nov '22

17 Nov '22

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Handling Twitter data file
by Bev Nicolson 16 Nov '22

16 Nov '22

So, I downloaded my Twitter data to be on the safe side and found this which offers a way of making that info readable/useable offline. https://github.com/timhutton/twitter-archive-parser But I'm not at all clear how to do 3 and 4. I didn't think it was possible run a command within a folder? Help, please. Bev

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Two things I have learned...
by Peter 06 Nov '22

06 Nov '22

I suppose to many this may be childishly obvious, but in case it helps anyone, here are two things I have learned. The first is to do with the Kobo e-reader. I find the Plato reader much nicer than the regular one it comes with, and the way to install it is given here https://www.mobileread.com/forums/showthread.php?t=314220 The simplest is to use the install script provided here: https://www.mobileread.com/forums/showpost.php?p=3797096&postcount=2 I first tried installing KOReader, which a lot of people seem to like, and you can install both of them from the install script, but it led to a very messy layout, so I reset it to factory and then installed just Plato. This is on the Kobo Aura One, which I find perfect. Its small enough to handle, but it has a 7.8 inch screen which is big enough to read comfortably on for a long time. You can control the amount of blue light, as well as brightness. The other thing about the Kobo is the registration procedure, and there is a very simple way of avoiding having to do this. During the activation you choose 'no wifi'. You can then access the files on the device from terminal or file manager. So you open a terminal, enter the folder containing KoboReader.sqlite, and run the following: sqlite3 KoboReader.sqlite "INSERT INTO user(UserID,UserKey) VALUES('1','');" Restart and you have activated. Wonderfully simple, private, and it avoids having to mess with the sqlite database. The second thing I learned was about AMD and suspend. Having put together a new machine with an AMD processor I was expecting to be able to use xautolock, with pm-suspend as the lock program. But the result was that it did indeed suspend, and when a key is hit, it seems to wake, but the screen remained black. I did two things after which it works flawlessly, but I am not sure which of them was effective, or whether you need to do both. I installed the AMD and RTL non-free firmware. And I also took the kernel to the testing branch of Debian, and the way you do this, without taking the whole installation to testing, is to modify /etc/apt/preferences as follows (I had to create since not already there): Package: * Pin: release a=bullseye Pin-Priority: 500 Package: linux-image-amd64 Pin: release a=testing Pin-Priority: 1000 Package: * Pin: release a=testing Pin-Priority: 100 So the idea is that it only takes the kernel updates from testing. And amazingly enough this has worked, its now on 5.19 whereas bullseye came with 5.10, and xautolock loads at startup and works perfectly! Two small victories. Peter

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How to get a dumb WiFi only device to use a proxied connection?
by Chris Green 03 Nov '22

03 Nov '22

I need to provide 'proxied' WiFi when I'm on my boat in France so that, among other things, I can log on to my doctor's web site to order repeat prescriptions and to allow my Kobo Forma (reader, like a Kindle) to access my public library. Both of these fail when tried directly from abroad. So I thought a VPN might be the way to do this but every time I look into doing it I seem to hit a problem. The Kobo Forma has little flexibility, all it can do is connect to WiFi, you can't tell it any more than the SSID and password. Thus I need to somehow provide a 'proxied' WiFi connection that makes the Kobo look as if it's connecting from a UK IP address. The router on the boat is a TP-Link Archer MR200 and it does have VPN ability, however on looking into it it seems to be a VPN server which is little use. I want it to be a VPN client and connect to a VPN server in the UK (don't I?). I can easily enough set up a router here at home in the UK that runs a VPN server, but again I fail to see how that helps as I can't get the Kobo to log in to the VPN. Everyone tells me that VPNs are the solution to everything but I still fail to see how they can help me at all! :-) Can anyone here help me to a solution of my problem? I'm fairly techie, I'm familiar with proxying using ssh and reverse tunnels and all sorts of things like that but this still has me stumped. -- Chris Green

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