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 ') 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! >> >> --------------------------------------------------- >> PLUG-discuss mailing list: PLUG-discuss@lists.phxlinux.org >> To subscribe, unsubscribe, or to change your mail settings: >> https://lists.phxlinux.org/mailman/listinfo/plug-discuss > --------------------------------------------------- > PLUG-discuss mailing list: PLUG-discuss@lists.phxlinux.org > To subscribe, unsubscribe, or to change your mail settings: > https://lists.phxlinux.org/mailman/listinfo/plug-discuss --------------------------------------------------- PLUG-discuss mailing list: PLUG-discuss@lists.phxlinux.org To subscribe, unsubscribe, or to change your mail settings: https://lists.phxlinux.org/mailman/listinfo/plug-discuss