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Author Topic: Problematic Update (SOLVED)  (Read 238 times)

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Offline PCNetSpec

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Re: Problematic Update
« Reply #15 on: September 09, 2019, 03:15:57 pm »
Are you running any kind of anti-virus ?
WARNING: You are logged into reality as 'root' .. logging in as 'insane' is the only safe option.

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Offline Brianrh

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Re: Problematic Update
« Reply #16 on: September 09, 2019, 03:21:32 pm »
Ah I am running Sophos AV. Do you think that's the problem?

I will remove it to prove it was the cause or eliminate it from the problem.

What stage of what we've tried do I need to carry out after to check things are ok now please.

Thanks again.

Offline PCNetSpec

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Re: Problematic Update
« Reply #17 on: September 09, 2019, 03:22:38 pm »
Yes, (whilst booted to 5.0.0-25) disable sophos, then try running this command again:
Code: [Select]
sudo apt-get install --reinstall linux-headers-generic-hwe-18.04 linux-headers-5.0.0-27 linux-headers-5.0.0-27-generic linux-image-generic-hwe-18.04 linux-image-5.0.0-27-generic linux-modules-5.0.0-27-generic linux-modules-extra-5.0.0-27-generic
If the command now completes without error, reboot (into 5.0.0-27) and wireless should now work.

[EDIT]

Apparently Sophos is well known for interfering with the installation of linux-modules-extra:
https://bugs.launchpad.net/ubuntu/+source/dpkg/+bug/1739991
« Last Edit: September 09, 2019, 03:37:04 pm by PCNetSpec »
WARNING: You are logged into reality as 'root' .. logging in as 'insane' is the only safe option.

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Offline Brianrh

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Re: Problematic Update
« Reply #18 on: September 09, 2019, 03:39:42 pm »
Yeah we now have everything up to date and working thanks.

Sorry to cause all this hassle for something so simple. :-[

What is the general thought on AV these days on a distro such as Peppermint? I thought it would only be a matter of time before Ubuntu based distros would be affected (or is that infected :D). To soon yet to consider AV on Linux?

Thanks again to everyone, especially PCNetSpec for your help and patience.

Offline PCNetSpec

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Re: Problematic Update
« Reply #19 on: September 09, 2019, 03:48:37 pm »
What is the general thought on AV these days on a distro such as Peppermint?

If it helps you decide, I don't run ANY AV on ANY of my Linux machines .. in fact because AV is required to run with elevated privileges (so has root access to your entire system), I'd consider it a security risk (and attack vector) in its own right.

Unless you're running something like a file or mail server which services Windows clients and you want to run AV solely to protect those windows clients (from Windows viruses), IMHO there is no point in AV on Linux.

Anyone that tries to convince you that it's only a matter of time until Linux gets viruses because it's not as big as windows yet, obviously doesn't understand the entire corporate/banking/internet/financial services/government servers/universities/supercomputers/etc. space runs on Linux .. so don't you think it ALREADY has a bigger target on its back than Windows ? .. and yet there are NO unpatched viruses for Linux active in the wild.

If you're interested, read this
http://linuxmafia.com/~rick/faq/?page=virus
it's old and quite long but still applies and is about the best write-up I've ever seen why AV on Linux is not (and likely never will be) necessary.
« Last Edit: September 09, 2019, 04:57:35 pm by PCNetSpec »
WARNING: You are logged into reality as 'root' .. logging in as 'insane' is the only safe option.

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Offline zebedeeboss

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Re: Problematic Update (SOLVED)
« Reply #20 on: September 10, 2019, 04:48:03 am »
To add to the anti-virus side of things - I do not run any anti-virus on any of the multiple distributions I run and two of them share a drive with Windows.

I have, to my knowledge, never been effected by a virus and all the OS's share common USB drives.

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Offline Brianrh

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Re: Problematic Update (SOLVED)
« Reply #21 on: September 10, 2019, 05:36:51 am »
Sorry to carry this post further after solved but do your comments on AV apply to Rootkit scanning apps as well?

Offline zebedeeboss

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Re: Problematic Update (SOLVED)
« Reply #22 on: September 10, 2019, 06:18:55 am »
I honestly don't think I have EV ER ran one of those ? Even when on windows unless it was built into Avast back in the day and then Sophos in later years

but definitely NEVER on Linux

Regards Zeb...
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Offline PCNetSpec

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Re: Problematic Update (SOLVED)
« Reply #23 on: September 10, 2019, 09:00:14 am »
My position is It can't hurt to manually run a well know rootkit scanner every now and again .. in fact I haven't really a problem with manual AV scanning every now and again as long as it's not a 'real time' daemon running automatically in the background with elevated privileges (where it becomes an attack vector in its own right).

Just be aware rootkit scanners are also well known for false positives, so do your homework on any positives before simply accepting and deleting .. eg. check the files checkums against those in the repos, etc.



I'm absolutely NOT saying Linux viruses are impossible, there have been a few (mainly proof-of-concept viruses created in labs), but NON have been able to spread .. Linux just puts too many barriers in their way.

Also be aware Linux will not prevent a user blowing his own foot off (if he chooses to be stupid and install software from untrusted sources without some kind of verification/mitigation planning) .. in fact Linux will give him a magnum with which to do it, and won't ask "are you sure ?" before allowing him to pull the trigger. All Linux will do is make sure his stupidity will not affect others around him.. for example nothing he does will traverse the network arriving at another Linux machine with it's execute bit enabled.

Linux (along with the centralised repo system) is in itself proof against virus propagation (and any virus that cannot spread is doomed from the get-go to only hurt isolated systems, then quickly die), but as with ANY OS your own system relies at least to some extent on YOU not being stupid .. but then if you CHOOSE to shoot yourself in the foot in Windows AV on it's own isn't going to help you.
« Last Edit: September 10, 2019, 09:53:31 am by PCNetSpec »
WARNING: You are logged into reality as 'root' .. logging in as 'insane' is the only safe option.

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Offline Brianrh

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Re: Problematic Update (SOLVED)
« Reply #24 on: September 10, 2019, 09:46:01 am »
Thanks PCNetSpec.

With all sorts of opinions floating around out there, it's good to have advice from someone you can respect and trust.

A few lessons have been learnt by myself and hopefully others, from this thread.

I think this thread can now die peacefully, it's work done. :)