Bionic (modified per comment 4 to replace netplan with ifupdown):
ubuntu@lp1806777-bionic:~$ dpkg -l | grep open-iscsi
ii open-iscsi 2.0.874-5ubuntu2.4 amd64 iSCSI initiator tools
ubuntu@lp1806777-bionic:~$ cat /etc/resolv.conf
# 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
# 127.0.0.53 is the systemd-resolved stub resolver.
# run "systemd-resolve --status" to see details about the actual nameservers.
nameserver 169.254.169.254
nameserver 127.0.0.53
...
(upgrade open-iscsi and reboot)
...
ubuntu@lp1806777-bionic:~$ dpkg -l | grep open-iscsi
ii open-iscsi 2.0.874-5ubuntu2.5 amd64 iSCSI initiator tools
ubuntu@lp1806777-bionic:~$ cat /etc/resolv.conf
# 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
# 127.0.0.53 is the systemd-resolved stub resolver.
# run "systemd-resolve --status" to see details about the actual nameservers.
Bionic (modified per comment 4 to replace netplan with ifupdown):
ubuntu@ lp1806777- bionic: ~$ dpkg -l | grep open-iscsi lp1806777- bionic: ~$ cat /etc/resolv.conf
ii open-iscsi 2.0.874-5ubuntu2.4 amd64 iSCSI initiator tools
ubuntu@
# 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
# 127.0.0.53 is the systemd-resolved stub resolver.
# run "systemd-resolve --status" to see details about the actual nameservers.
nameserver 169.254.169.254
nameserver 127.0.0.53
...
(upgrade open-iscsi and reboot)
...
ubuntu@ lp1806777- bionic: ~$ dpkg -l | grep open-iscsi lp1806777- bionic: ~$ cat /etc/resolv.conf
ii open-iscsi 2.0.874-5ubuntu2.5 amd64 iSCSI initiator tools
ubuntu@
# 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
# 127.0.0.53 is the systemd-resolved stub resolver.
# run "systemd-resolve --status" to see details about the actual nameservers.
nameserver 169.254.169.254 oraclevcn. com
nameserver 127.0.0.53
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