HELP: avg 7.5 for linux

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HELP: avg 7.5 for linux

Postby radioman on Fri Jul 04, 2008 2:01 pm

Hi all
I have just gone over to linuxmint 5, and have installed AVG 7.5 and am
trying to update but i get this msg:

Update process failed.
Reason: Sorry, you do not have permission to execute avgupdate


Can someone please try to explane to me how to get this permission thing
sorted ?

Thanks in advance for any help given

Radioman
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Re: HELP: avg 7.5 for linux

Postby 900i on Fri Jul 04, 2008 2:13 pm

Please explain why you deem it necessary to run Anti-Virus on a Linux box!
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Re: HELP: avg 7.5 for linux

Postby Phosgene on Fri Jul 04, 2008 2:27 pm

No real need for Anti-Virus on Linux, 90% of viruses were written for Windows machines, there are very few viruses for Linux, somewhere around 15 that are circulating I think at the moment. Also, please do not try and run .exe (Executables) on Linux unless stated.

I use AV software made for Linux, however I do not trust it particularly. I check the code of everything that enters my box for anything malicious or potentially dangerous. But that's because I care about my computer and I like doing it.
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Re: HELP: avg 7.5 for linux

Postby radioman on Fri Jul 04, 2008 2:47 pm

Hi
Thanks for the info on avg
the file i used was not an .exe

So are you saying that an anti virus checker
is not reqd on a linux box ?

Also these 15 or so virus's that are about for linux
are they bad for linux ?

Thanks
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Re: HELP: avg 7.5 for linux

Postby Phosgene on Fri Jul 04, 2008 3:03 pm

All viruses were made with the intention of being bad, so yes they are bad. But when you consider that there are hundreds of thousands of viruses for Windows and that it is not that common to get one on Windows. There are just 15ish for Linux (I think 11 is the exact number at the moment) so it would be VERY rare to stumble across one.

In short, no, Anti Virus is not required or even necessary on Linux. If you are unsure/paranoid or just want to know more about this, linux.com has a nice article here regarding Anti Virus on Linux: http://www.linux.com/feature/60208
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Re: HELP: avg 7.5 for linux

Postby radioman on Fri Jul 04, 2008 3:39 pm

Hi
Thank you for the link
I will have a look and try to learn a bit more on the subject

Radioman
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Re: HELP: avg 7.5 for linux

Postby 900i on Fri Jul 04, 2008 4:11 pm

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Re: HELP: avg 7.5 for linux

Postby linuxviolin on Fri Jul 04, 2008 4:33 pm

radioman, there are indeed some threats to Unix systems but they are few and a home user really very little chance to see one (at least for now). But if you have a server that is another story... :wink:
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Re: HELP: avg 7.5 for linux

Postby Katzedecimal on Fri Jul 04, 2008 6:14 pm

While it is true that Linux systems are less vulnerable, there are still some Linux malware in existance (currently none in the wild but the more that information circulates, the more likely some yob is to try to change that :-P ) But there is also the "Typhoid Mary" aspect to consider, if you do a lot of file trading with Windows users. Or maybe old habits die hard and one just wants to feel 'better safe than sorry' (seen that happen too...)

At any rate, here is a tutorial that answers your question and it addresses your specific issue on the second page:

http://www.howtoforge.com/avg_antivirus_ubuntu_feisty

Although it's written for Feisty Fawn Ubuntu, it works in Mint (I tried it while I was putzing around with my first Mint installation) Be aware though, that AVG has discontinued support for AVG 7.5 in favour of bloatware-loaded AVG 8, and AVG's effectiveness has apparently been dropping rapidly.
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Re: HELP: avg 7.5 for linux

Postby Phosgene on Fri Jul 04, 2008 7:24 pm

It's a shame really, most viruses written for Linux were written by those clever enough to avoid most Anti-Virus, through Hex Packing or otherwise.
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Re: HELP: avg 7.5 for linux

Postby wesley on Sat Jul 05, 2008 3:40 am

not just that, anyone can send you a zip file with virus to you via msn without knowning, then you send the same file to someone else (windows) then you'll get the blame
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Re: HELP: avg 7.5 for linux

Postby nick on Sat Jul 05, 2008 4:03 am

Hi

Warning on AVG (not sure if this applies to LInux)

Early last month, webmasters here at The Reg noticed an unexpected spike in our site traffic. Suddenly, we had far more readers than ever before, and they were reading at a record clip. Visits actually doubled on certain landing pages, and more than a few ho-hum stories attracted an audience worthy of a Pulitzer Prize winner. Or so it seemed.
As it turns out, much of this traffic was driven by the new malware scanner from AVG Technologies.
Six months ago, AVG acquired Exploit Prevention Labs and its LinkScanner, a tool that automatically scans search engine results before you click on them. If you search Google, for instance, and ten results turn up, it visits all ten links to ensure they're malware free.
Then, in February, AVG paired LinkScanner with its anti-virus engine, which has about 70 million active users worldwide. The company estimates that 20 million machines have upgraded to its new security suite, AVG version 8, and this has already cooked up enough ghost clicks to skew traffic not only on The Reg but any number of other sites as well.
Adam Beale, who runs a UK-based internet consultancy, says that across his small stable of clients, traffic has spiked as much as 80 per cent on some sites. And this is more than just an inconvenience. After all, sites live and die by their traffic numbers. And net resources aren't free.
"Although [the AVG LinkScanner] might be good for the security of users, it's a real pain for website owners and webmasters," Beale tells us, having blogged about this growing problem. "It's causing people to think their traffic is increasing, costing those who pay for bandwidth, and wasting disk space with large amounts of unnecessary lines in log files."

i.e. it is using large amount of YOUR bandwidth

http://www.theregister.co.uk/2008/06/13 ... page2.html

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Re: HELP: avg 7.5 for linux

Postby oliverjames on Tue Jul 08, 2008 3:21 am

Having had an annoying virus experience under Linux (see my post "Thunderbird unusable under Linux", I found this thread on searching for anti-virus information.

As much as I like the Linux OS, it is careless to assume that virus protection is not needed under Linux.

In my case I received a virus via Thunderbird under Linux that was sent to my email message store (fat32 partition). While I have email scanners when accessing mail under WinXP, I have nothing in Linux. Result, the Win32 Faker-M trojan was able to sneek in via the backdoor and was faking my incoming email messages via Tbird under both Windows and Linux.

Adaware and SPybot scans in Windows restored the situation with Tbird WinXP but for a bout 4 weeks I was unable to access e-mails via Tbird in Mint Linux.

In these days of Java script it seems highly likely, particularly given the rise in the number of Linux users, that viruses will become cross-platform.

I welcome any advice regarding good AV setup for my Mint Elyssa and DarynaXFCE installations. I need a good email scanner.
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Re: HELP: avg 7.5 for linux

Postby iironjade on Tue Jul 08, 2008 4:57 am

I too, would like to know how to update AVG for Linux when "permission denied" appears. AVG has always been ok for Windows although I admit version 8 was a bit cantankerous. As Avg have designed a Linux version it does seem odd that Linux refuses to cooperate with it.
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Re: HELP: avg 7.5 for linux

Postby oliverjames on Tue Jul 08, 2008 5:03 am

Hello iironjade,

Just installed Avast under Mint. If your interested you can get it from the Avast site. Install using Debi. Then open terminal and paste in your registration code (free for non-com use)

Then create launcher - point it at avastgui. Follow instructions for update and scan.

Avast found the trojan that had crippled my email under windows and linux.

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Re: HELP: avg 7.5 for linux

Postby JohnH on Tue Jul 08, 2008 5:54 am

To update AVG you have to be "root". (There is plenty of info on Linux sites about how to be 'root' but in you need to know that Mint uses the sudo command in the Terminal to do this. Do a Google on sudo or check out the Ubuntu/Mint sites for info.)

Funny thing though: I just went to do an update so I could give a small How To when I realised I haven't installed it on Elyssa......

I guess that tells the story. No real panic to get it up and going under Linux.

My recollection is that the instructions that come with AVG Linux tells you have to be 'root' to do the updates.

You can go into the "terminal" and do sudo AVG whatever. Look for the instructions that come with AVG and it should tell you.

Meanwhile I'' download it again and try to update as before.

Regards
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Re: HELP: avg 7.5 for linux

Postby iironjade on Tue Jul 08, 2008 7:08 am

oliverjames wrote:Hello iironjade,

Just installed Avast under Mint. If your interested you can get it from the Avast site. Install using Debi. Then open terminal and paste in your registration code (free for non-com use)

Then create launcher - point it at avastgui. Follow instructions for update and scan.

Avast found the trojan that had crippled my email under windows and linux.

Oliverjames


Thanks, I'll have a look.
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Re: HELP: avg 7.5 for linux

Postby JohnH on Tue Jul 08, 2008 9:38 am

Okay, further to AVG7.5,

I've loaded it and now I can speak more authoritatively about what to do.

1) Yep, you need to update from root.
2) the easiest way to get to the file that makes it happen is to open the file manager as root. To do this, open the Terminal and type s
Code: Select all
udo nautilus

3) Once you have it open, navigate you way to usr directory then open the bin subdirectory.
4) Scroll down until you come across avggui
5) click on this and you will be asked what to do with it: Run in Terminal or Display or Cancel or Run. Hit the "run". This opens the gui and from there you can do an update.
6) There is a short cut to doing all this whereby you can set this up to work without all this but I have never committed it to memory. This works for me unless someone can tell me how to get the other working more simply.

Regards
John
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Re: HELP: avg 7.5 for linux

Postby 900i on Tue Jul 08, 2008 9:59 am

The correct way to open a GTK app is to press F2 to open the run command and type "gksu nautilus"
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Re: HELP: avg 7.5 for linux

Postby JohnH on Tue Jul 08, 2008 10:07 am

Thanks 900i. I knew the ALT F2 but I can never remember the other. I will make a note..

So the really neat way to do this is:

Press ALT F2 keys and then the Run menu pops up. Then type gksu avggui, press Run and there you have it.

Cheers
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