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Unable to set the right FQDN


#1

Hi,
I’ve fallowed this guide https://docs.ovh.com/gb/en/public-cloud/changing_the_hostname_of_an_instance/ but doesn’t work.
The file /etc/hosts will be always modified. I can disable this behavior only if I remove the line

  • update_etc_hosts
    from the cloud_init_modules

Here is now my /etc/hosts file
127.0.0.1 localhost

::1     localhost       ip6-localhost   ip6-loopback
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters

127.0.1.1       myhostname.mydomain.it    myhostname

But this is what I get
$ hostname --fqdn
myhostname.mydomain.it

$ hostname --all-fqdns
vps-xxxxx.vps.ovh.net

A tool that I’ve installed in this VPS finds this as FQDN myhostname.openstacklocal
Why I can’t get always myhostname.mydomain.it?


Hostname is not changed after rebooting
#2

I’ve tried to follow also this guide https://docs.ovh.com/gb/en/public-cloud/change-instance-dns-servers/ but it doesn’t work. The /etc/resolv.conf was not modified by this guide.

I’ve edited this file /etc/network/interfaces.d/50-cloud-init

auto lo
iface lo inet loopback
     dns-nameservers 8.8.8.8 8.8.4.4
     dns-search my-domain.it
#  dns-nameservers 213.186.33.99

Now my /etc/resolv.conf look like this

# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
#     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
    nameserver 8.8.8.8
    nameserver 8.8.4.4
    nameserver 213.186.33.99
    search my-domain.it openstacklocal

Now Sentinel Admin License Manager say that my FQDN is my-hostname.my-domain.it

hostname --all-fqdns is unchaged.