On 2/15/23 02:30, Michel Verdier wrote:
Le 15 février 2023 gene heskett a écrit :
gene@bpi54:~$ grep -i bpi54 /etc/hosts
192.168.71.12 bpi54.coyote.den bpi54
gene@bpi54:~$ getent hosts bpi54
fe80::4765:bca4:565d:3c6 bpi54
gene@bpi54:~$ ping -c1 coyote (this machines alias in /etc/hosts)
ping: coyote: Name or service not known
If coyote is really an alias and not part of domain name give us
grep -i coyote /etc/hosts
gene@bpi54:~$ grep -i coyote /etc/hosts
192.168.71.1 router.coyote.den router
192.168.71.4 sixty40.coyote.den sixty40
192.168.71.7 vna.coyote.deb vna
192.168.71.8 rock64v2.coyote.den rocj64v2 ender5plus
192.168.71.9 bpi51.coyote.den bpi51
192.168.71.10 go704.coyote.den go704
192.168.71.11 bpi53.coyote.den bpi53
192.168.71.12 bpi54.coyote.den bpi54
192.168.71.13 rpi4.coyote.den rpi4
192.168.71.21 scanner.coyote.den scanner
192.168.71.22 rock64.coyote.den rock64
192.168.71.23 bpi52.coyote.den bpi52
192.168.71.25 tlm.coyote.den tlm
192.168.71.50 dddprint.coyote.den dddprint
And this disclosed that I had not properly added coyote.coyote.den to
the /etc/hosts file on that machine. That mistake, fixed, now makes the
local net pingable. The rest of it, whats powered up, was/is all
pingable. It just wasn't tried. This machine is generally the master,
and when I couldn't ping it, I assumed none of the local stuff worked.
Checking that on some of my other machines disclosed that something
besides me is mucking with the /etc/hosts on some, but not all, of the
other machines. And its something I'll have to fix from the machines own
keyboard because my /sshnet/localname network doesn't allow root logins.
The /etc/hosts file on go704 has been stripped to just itself! Fixed and
chattr +i added to it now.
So, I've some repair work to do, and some sudo chattr +i's to apply to
/etc/hosts. The real question is who, besides me as sudo, has rights to
edit /etc/hosts?
For what you show bpi54 is the short hostname so you need to do
ping -c1 bpi54
which worked
and not
ping -c1 coyote
which didn't because it was missing from the hosts file!
And I'm pretty sure I put it in there correctly when I installed armbian
on it.
I'll own the mistake, my apologies to all. I thank you for the impetus
to check, assuming it was as I put it when installing the machine.
Take care and stay well all.
.
Cheers, Gene Heskett.
--
"There are four boxes to be used in defense of liberty:
soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author, 1940)
If we desire respect for the law, we must first make the law respectable.
- Louis D. Brandeis
Genes Web page <http://geneslinuxbox.net:6309/>
