By using ChatGPT I was able to determine SSH was not installed on my
desktop. I did the install and now it works.
On 2024-07-09 15:30, Keith Smith via PLUG-discuss wrote:
> Rusty,
>
> I was unable to SSH into my desktop from a new Ubuntu VirtualBox guest
> this morning. Was able to ping. Have not had the time to resolve.
>
> My response is to your mentioning AI. I use the free version of
> ChatGPT. It is version 3.5 It responds to normal language. Ask it a
> question like you would ask me. Then refine your question based on what
> it's response is.
>
> I just went to https://chatgpt.com/ and did not sign in and asked "Why
> do I get an error when trying to SSH into my kubuntu desktop from a
> ubuntu 24.04 server running on VirtualBox. I an ping." Notice I
> misspelled can at the very end.
>
> These questions are called prompts. And are regular English.
>
> I got a ton of information... And I can continue to refine my question.
> In this case it looks like this is all I might need.
>
> I created a YouTube video on using AI to create PHP programs :
> https://youtu.be/k7CNqcKxKTg
>
> Keith
>
>
>
>
>
>
> On 2024-07-09 15:07, Rusty Carruth via PLUG-discuss wrote:
>> Hopefully the answer isn't that *I'm* the insane one! ;-)
>>
>> So, my laptop, which is running Linux Mint 20.2 Uma, and my file
>> server have suddenly had a falling-out. They used to talk to each
>> other just fine, but now the file server, running Linux Mint 19.3
>> Tricia, slams my laptop into the deny list as soon as I try to SSH in
>> to it. And I don't (believe I have) automatic update enabled on
>> either computer, and I certainly don't remember doing anything to the
>> laptop or the server related to networking. The laptop has an NFS
>> connection to the file server - or it HAD before the blocking!
>>
>>
>> The file server has no problem ssh-ing to the laptop (no surprise
>> there, of course).
>>
>>
>> Initially I thought it was some problem with port 161, but I added
>> that (and the laptop IP address!) in to the portsenty ignore file, and
>> it still got flagged.
>>
>>
>> It isn't in hosts.deny, nor is it in the portsentry bad guys list.
>>
>>
>> I looked (find /etc -type f -print0|xargs -0 egrep <laptopIPaddr>') on
>> the file server:
>>
>> Tue Jul 09 14:02:30 RustyC ~ $ cat /tmp/finding.laptop
>> /etc/portsentry/portsentry.ignore.static:myLaptopIP
>> /etc/portsentry/portsentry.ignore:myLaptopIP
>> /etc/portsentry/portsentry.ignore.static~:myLaptopIP
>> Tue Jul 09 14:05:59 RustyC ~ $
>>
>> (I hacked the local IP to the string 'myLaptopIP'. What is actually
>> there is the actual IP addr).
>>
>>
>> So, I removed (uninstalled) portsentry from the file server, rebooted,
>> and tried again. Still blocked! Waited about a day, still blocked.
>> So, I changed the IP address of the laptop - the server blocks the
>> laptop!
>>
>> Just for fun, I changed my laptop's IP again and tried mounting the
>> file server via NFS, without doing anything else (no attempt to ssh,
>> etc) - blocked, as far as I can tell. BUT! I can still ping the file
>> server from the laptop!
>>
>> Checked iptables - NOTHING in any table on the server. I'm totally
>> stumped, and about to re-install Linux on both the Laptop and the file
>> server. (One of these days I hope to get time to fool with AI for
>> this kind of thing, but haven't yet had the time...)
>>
>> Does anyone have any ideas? Thanks!
>>
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