Setting hostname and ip address with esxcli

ssh root@ESXI-host

# config data:
myhost="HOSTNAME"
basedomain="example-domain1.com"
myfqdn="${myhost}.${basedomain}"
mysearch="$basedomain example-domain2.com"
mydns="1.1.1.1 8.8.8.8"
olddomains="example1.com example2.com"

# set basic infos ...
esxcli system hostname set --host=$myhost
esxcli system hostname set --fqdn=$myfqdn
esxcli system hostname get

# remove old dns servers ...
esxcli network ip dns server remove --all

# add new dns servers ...
for n in $mydns ; do
  esxcli network ip dns server add -s $n
done
esxcli network ip dns server list

# remove old domains ...
for d in $olddomains ; do
  esxcli network ip dns search remove -d $d
done

# add new search domains ...
for s in $mysearch ; do
  esxcli network ip dns search add -d $s
done
esxcli network ip dns search list

reboot