[SFS] Ubuntu server with 2 IP addresses
Corey
skiabq@gmail.com
Thu, 12 Oct 2017 07:53:35 -0600
Not sure what you mean by "network script".
I was not able to figure this out, so I had to restore back to before
the upgrade.
On 10/11/17, Zachary Mance <zachary.mance@gmail.com> wrote:
> What does your network script look like?
>
> On Wed, Oct 11, 2017 at 2:58 PM, Zack Coffey <clickwir@gmail.com> wrote:
>
>> Looks like someone with a Raspberry Pi had a similar sounding issue.
>> https://raspberrypi.stackexchange.com/questions/
>> 13359/where-does-my-secondary-ip-come-from
>>
>> Here's the solution they posted:
>>
>> # The issue was caused by a separate dhcp@network laying in
>> /etc/systemd/system/
>> # No clue where it came from, but deleting it solved my problem :)
>>
>> On Wed, Oct 11, 2017 at 2:32 PM, Corey <skiabq@gmail.com> wrote:
>>
>>> Hi Mr. Willson -
>>>
>>> Yes, it is persistant thru a reboot.
>>>
>>> Ip address delete removes both of them (even if I just specify the
>>> dynamic IP), but a reboot restores them both.
>>>
>>> I have joined MatterMost as "n3rDy".
>>>
>>> Thanks
>>>
>>> Corey
>>>
>>> On 10/11/17, David L. Willson <DLWillson@thegeek.nu> wrote:
>>> > Does it persist through a reboot?
>>> >
>>> > Does the undesired address come off, and stay off (for a long time),
>>> > if
>>> you
>>> > 'ip address delete (it)'?
>>> >
>>> > It seems like this might take a few rounds of Q & T & A ... Maybe you
>>> should
>>> > come hang out with us in MatterMost:
>>> > https://mattermost.sofree.us/signup_user_complete/?id=brmczf
>>> xbrjr15ggn7rwtpwgthy
>>> >
>>> > --
>>> > David L. Willson
>>> > Teacher, Engineer, Evangelist
>>> > COA LFCS CCAH RHCE CLP
>>> > Mobile 720-333-LANS(5267)
>>> > http://sofree.us
>>> >
>>> > This is a good time for a r3VOLution.
>>> >
>>> > ----- Original Message -----
>>> >> Hopefully this message will get to everybody, I think I sent it to
>>> >> the
>>> >> right address . . . if not would somebody forward it to the brain
>>> >> trust for me?
>>> >>
>>> >> Thanks in advance for any advice and or sarcasm offered ;-)
>>> >>
>>> >> I have an issue with an Ubuntu server that I just upgraded from 14.04
>>> >> to 16.04 using the do-release-upgrade command. I know it is not
>>> >> ideal,
>>> >> but this was preferred over a clean install. Everything seemed to go
>>> >> well, but now eth0 has 2 IP addresses, 1 dynamic (I don't need or
>>> >> want) and 1 static, which is the actual one that I want. They are
>>> >> both
>>> >> working fine and I can SSH to the server on either address. How can I
>>> >> turn off the 1 dynamic address?
>>> >>
>>> >> Here is my interfaces file:
>>> >>
>>> >> # The loopback network interface
>>> >> auto lo
>>> >> iface lo inet loopback
>>> >>
>>> >> # The primary network interface
>>> >> auto eth0
>>> >> iface eth0 inet static
>>> >> address 10.0.1.211
>>> >> netmask 255.255.255.0
>>> >> network 10.0.1.0
>>> >> broadcast 10.0.1.255
>>> >> gateway 10.0.1.254
>>> >> dns-nameservers 10.0.1.2 10.0.1.22
>>> >>
>>> >> Here is the result of "ip a", notice it shows both addresses, but
>>> >> "ifconfig" that follows it only shows the dynamic one:
>>> >>
>>> >> srv:~$ ip a
>>> >> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
>>> >> group default
>>> >> link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
>>> >> inet 127.0.0.1/8 scope host lo
>>> >> valid_lft forever preferred_lft forever
>>> >> inet6 ::1/128 scope host
>>> >> valid_lft forever preferred_lft forever
>>> >> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP
>>> >> group default qlen 1000
>>> >> link/ether 00:50:56:85:7a:60 brd ff:ff:ff:ff:ff:ff
>>> >> inet 10.0.1.64/24 brd 10.0.1.255 scope global dynamic eth0
>>> >> valid_lft 258240sec preferred_lft 258240sec
>>> >> inet 10.0.1.211/24 brd 10.0.1.255 scope global secondary eth0
>>> >> valid_lft forever preferred_lft forever
>>> >> inet6 fe80::250:56ff:fe85:7a60/64 scope link
>>> >> valid_lft forever preferred_lft forever
>>> >>
>>> >>
>>> >> srv:~$ ifconfig
>>> >> eth0 Link encap:Ethernet HWaddr 00:50:56:85:7a:60
>>> >> inet addr:10.0.1.64 Bcast:10.0.1.255 Mask:255.255.255.0
>>> >> inet6 addr: fe80::250:56ff:fe85:7a60/64 Scope:Link
>>> >> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
>>> >> RX packets:4454 errors:0 dropped:0 overruns:0 frame:0
>>> >> TX packets:348 errors:0 dropped:0 overruns:0 carrier:0
>>> >> collisions:0 txqueuelen:1000
>>> >> RX bytes:415570 (415.5 KB) TX bytes:63700 (63.7 KB)
>>> >>
>>> >> lo Link encap:Local Loopback
>>> >> inet addr:127.0.0.1 Mask:255.0.0.0
>>> >> inet6 addr: ::1/128 Scope:Host
>>> >> UP LOOPBACK RUNNING MTU:65536 Metric:1
>>> >> RX packets:333 errors:0 dropped:0 overruns:0 frame:0
>>> >> TX packets:333 errors:0 dropped:0 overruns:0 carrier:0
>>> >> collisions:0 txqueuelen:0
>>> >> RX bytes:55712 (55.7 KB) TX bytes:55712 (55.7 KB)
>>> >> _______________________________________________
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>>> >>
>>> >
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>>
>>
>