Ubuntu Server DNS Problem with Static IP
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I am running an Ubuntu Server on my VMBox and need to set static IP. By following the steps described in https://www.techrepublic.com/article/how-to-configure-a-static-ip-address-in-ubuntu-server-18-04/, I created the configuration file 01-netcfg.yaml as follows.
network:
version: 2
renderer: networkd
ethernets:
enp0s3:
dhcp4: no
addresses: [10.10.21.8/24]
gateway4: 10.10.21.100
nameservers:
addresses: [8.8.8.8, 8.8.4.4]
Running sudo netplan apply --debugresults in:
Which I'm not sure if the process is succesful or not since it mentions a merged config but gives no error at the end. However, I can not connect to Internet. sudo ping www.facebook.com returns "Temporary failure in name resolution". ping 64.233.169.104 results in "Destination Host Unreachable". sudo apt-get update fails as well.
sudo lshw -C network:
cat /etc/netplan/*
After trying the answer.
cat /etc/resolv.conf
ls -al /etc/resolv.conf
ls -al /etc/netplan
sudo netplan generate --debug
sudo netplan apply
No output.
systemd-resolve --status
server dns netplan
asked yesterday
codemonkeycodemonkey
356
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show 4 more comments
I am running an Ubuntu Server on my VMBox and need to set static IP. By following the steps described in https://www.techrepublic.com/article/how-to-configure-a-static-ip-address-in-ubuntu-server-18-04/, I created the configuration file 01-netcfg.yaml as follows.
network:
version: 2
renderer: networkd
ethernets:
enp0s3:
dhcp4: no
addresses: [10.10.21.8/24]
gateway4: 10.10.21.100
nameservers:
addresses: [8.8.8.8, 8.8.4.4]
Running sudo netplan apply --debugresults in:
Which I'm not sure if the process is succesful or not since it mentions a merged config but gives no error at the end. However, I can not connect to Internet. sudo ping www.facebook.com returns "Temporary failure in name resolution". ping 64.233.169.104 results in "Destination Host Unreachable". sudo apt-get update fails as well.
sudo lshw -C network:
cat /etc/netplan/*
After trying the answer.
cat /etc/resolv.conf
ls -al /etc/resolv.conf
ls -al /etc/netplan
sudo netplan generate --debug
sudo netplan apply
No output.
systemd-resolve --status
server dns netplan
asked yesterday
codemonkeycodemonkey
356
New contributor
codemonkey is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Do you actually have aenp0s3interface? what is the output ofls /sys/class/net?
– steeldriver
yesterday
1
Do you have more than one .yaml file in /etc/netplan? Edit your question and show mesudo lshw -C network. Amongst other things, I want to see the name of your ethernet device. You should be usingsudo netplan --debug generatefirst, and thensudo netplan apply, thenrebootto confirm operation.
– heynnema
yesterday
@steeldriver the output is "enp0s3" and "lo"
– codemonkey
19 hours ago
@heynnema there is also 50-cloud-init.yaml and 99-disable-network-config.cfg files, and i updated the question with "sudo lshw -C "
– codemonkey
19 hours ago
Ah! Edit your question and show mecat /etc/netplan/*. Then do you have 3 files in /etc/netplan? 2 .yaml and 1 .cfg?
– heynnema
16 hours ago
|
show 4 more comments
I am running an Ubuntu Server on my VMBox and need to set static IP. By following the steps described in https://www.techrepublic.com/article/how-to-configure-a-static-ip-address-in-ubuntu-server-18-04/, I created the configuration file 01-netcfg.yaml as follows.
network:
version: 2
renderer: networkd
ethernets:
enp0s3:
dhcp4: no
addresses: [10.10.21.8/24]
gateway4: 10.10.21.100
nameservers:
addresses: [8.8.8.8, 8.8.4.4]
Running sudo netplan apply --debugresults in:
Which I'm not sure if the process is succesful or not since it mentions a merged config but gives no error at the end. However, I can not connect to Internet. sudo ping www.facebook.com returns "Temporary failure in name resolution". ping 64.233.169.104 results in "Destination Host Unreachable". sudo apt-get update fails as well.
sudo lshw -C network:
cat /etc/netplan/*
After trying the answer.
cat /etc/resolv.conf
ls -al /etc/resolv.conf
ls -al /etc/netplan
sudo netplan generate --debug
sudo netplan apply
No output.
systemd-resolve --status
server dns netplan
asked yesterday
codemonkeycodemonkey
356
New contributor
codemonkey is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
I am running an Ubuntu Server on my VMBox and need to set static IP. By following the steps described in https://www.techrepublic.com/article/how-to-configure-a-static-ip-address-in-ubuntu-server-18-04/, I created the configuration file 01-netcfg.yaml as follows.
network:
version: 2
renderer: networkd
ethernets:
enp0s3:
dhcp4: no
addresses: [10.10.21.8/24]
gateway4: 10.10.21.100
nameservers:
addresses: [8.8.8.8, 8.8.4.4]
Running sudo netplan apply --debugresults in:
Which I'm not sure if the process is succesful or not since it mentions a merged config but gives no error at the end. However, I can not connect to Internet. sudo ping www.facebook.com returns "Temporary failure in name resolution". ping 64.233.169.104 results in "Destination Host Unreachable". sudo apt-get update fails as well.
sudo lshw -C network:
cat /etc/netplan/*
After trying the answer.
cat /etc/resolv.conf
ls -al /etc/resolv.conf
ls -al /etc/netplan
sudo netplan generate --debug
sudo netplan apply
No output.
systemd-resolve --status
server dns netplan
server dns netplan
asked yesterday
codemonkeycodemonkey
356
New contributor
codemonkey is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked yesterday
codemonkeycodemonkey
356
New contributor
codemonkey is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 14 hours ago
codemonkey
asked yesterday
codemonkeycodemonkey
356
New contributor
codemonkey is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked yesterday
codemonkeycodemonkey
356
asked yesterday
codemonkeycodemonkey
356
356
New contributor
codemonkey is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
codemonkey is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
codemonkey is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Do you actually have aenp0s3interface? what is the output ofls /sys/class/net?
– steeldriver
yesterday
1
Do you have more than one .yaml file in /etc/netplan? Edit your question and show mesudo lshw -C network. Amongst other things, I want to see the name of your ethernet device. You should be usingsudo netplan --debug generatefirst, and thensudo netplan apply, thenrebootto confirm operation.
– heynnema
yesterday
@steeldriver the output is "enp0s3" and "lo"
– codemonkey
19 hours ago
@heynnema there is also 50-cloud-init.yaml and 99-disable-network-config.cfg files, and i updated the question with "sudo lshw -C "
– codemonkey
19 hours ago
Ah! Edit your question and show mecat /etc/netplan/*. Then do you have 3 files in /etc/netplan? 2 .yaml and 1 .cfg?
– heynnema
16 hours ago
|
show 4 more comments
Do you actually have aenp0s3interface? what is the output ofls /sys/class/net?
– steeldriver
yesterday
1
Do you have more than one .yaml file in /etc/netplan? Edit your question and show mesudo lshw -C network. Amongst other things, I want to see the name of your ethernet device. You should be usingsudo netplan --debug generatefirst, and thensudo netplan apply, thenrebootto confirm operation.
– heynnema
yesterday
@steeldriver the output is "enp0s3" and "lo"
– codemonkey
19 hours ago
@heynnema there is also 50-cloud-init.yaml and 99-disable-network-config.cfg files, and i updated the question with "sudo lshw -C "
– codemonkey
19 hours ago
Ah! Edit your question and show mecat /etc/netplan/*. Then do you have 3 files in /etc/netplan? 2 .yaml and 1 .cfg?
– heynnema
16 hours ago
Do you actually have a
enp0s3 interface? what is the output of ls /sys/class/net?– steeldriver
yesterday
Do you actually have a
enp0s3 interface? what is the output of ls /sys/class/net?– steeldriver
yesterday
1
1
Do you have more than one .yaml file in /etc/netplan? Edit your question and show me
sudo lshw -C network. Amongst other things, I want to see the name of your ethernet device. You should be using sudo netplan --debug generate first, and then sudo netplan apply, then reboot to confirm operation.– heynnema
yesterday
Do you have more than one .yaml file in /etc/netplan? Edit your question and show me
sudo lshw -C network. Amongst other things, I want to see the name of your ethernet device. You should be using sudo netplan --debug generate first, and then sudo netplan apply, then reboot to confirm operation.– heynnema
yesterday
@steeldriver the output is "enp0s3" and "lo"
– codemonkey
19 hours ago
@steeldriver the output is "enp0s3" and "lo"
– codemonkey
19 hours ago
@heynnema there is also 50-cloud-init.yaml and 99-disable-network-config.cfg files, and i updated the question with "sudo lshw -C "
– codemonkey
19 hours ago
@heynnema there is also 50-cloud-init.yaml and 99-disable-network-config.cfg files, and i updated the question with "sudo lshw -C "
– codemonkey
19 hours ago
Ah! Edit your question and show me
cat /etc/netplan/*. Then do you have 3 files in /etc/netplan? 2 .yaml and 1 .cfg?– heynnema
16 hours ago
Ah! Edit your question and show me
cat /etc/netplan/*. Then do you have 3 files in /etc/netplan? 2 .yaml and 1 .cfg?– heynnema
16 hours ago
|
show 4 more comments
1 Answer
1
active
oldest
votes
Partial answer...
From the comments...
In /etc/netplan we have three files...
01-network-card.yaml # the file that you created
50-cloud-init.yaml # the file that was already there
99-disable-network-config.cfg # who knows where this file came from
cd /etc/netplan # change directories
sudo mv 50-cloud-init.yaml 50-cloud-init.yaml.HOLD # rename file
sudo mv 99-disable-network-config.cfg 99-disable-network-config.cfg.HOLD # rename file
sudo netplan --debug generate # generate config files
sudo netplan apply # apply new configuration
Note: The new configuration may already work at this point.
reboot # confirm operation
Update #1:
The 10.10.21.8 and 10.10.21.100 addresses are not correct. Go back to your instructor and get valid addresses, and then it should all work now. This all works when using dhcp4: true instead of static IP's.
answered 15 hours ago
heynnemaheynnema
21.3k32360
Unfortunately, i can't connect the internet after these steps. BTW, I created the 99-disable-network-config.cfg as well.
– codemonkey
15 hours ago
But your ping commands failed before, so you were not able to connect to the Internet then either, correct? Edit your question and show mels -al /etc/netplanand the output of the twosudo netplan...commands... andresolvectl.
– heynnema
15 hours ago
And alsols -al /etc/resolv.confandcat /etc/resolv.conf.
– heynnema
15 hours ago
I edited the question. resolvectl command is not found.
– codemonkey
14 hours ago
1
Ah again! Those IP's are wrong. Unless they've setup those specific IP's somewhere on the network, your .yaml file, although syntactically correct, will never work, and pings and Internet will fail. So this situation is not in a production environment, but rather a college/university environment? I think that with the exception of your symlink for /etc/resolv.conf, I think we've gone as far as we can. Temporarily usedhcp4: trueuntil you get the correct IP's. Please do come back later and update me, and accept my answer when it's all working, ok?
– heynnema
14 hours ago
|
show 8 more comments
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Partial answer...
From the comments...
In /etc/netplan we have three files...
01-network-card.yaml # the file that you created
50-cloud-init.yaml # the file that was already there
99-disable-network-config.cfg # who knows where this file came from
cd /etc/netplan # change directories
sudo mv 50-cloud-init.yaml 50-cloud-init.yaml.HOLD # rename file
sudo mv 99-disable-network-config.cfg 99-disable-network-config.cfg.HOLD # rename file
sudo netplan --debug generate # generate config files
sudo netplan apply # apply new configuration
Note: The new configuration may already work at this point.
reboot # confirm operation
Update #1:
The 10.10.21.8 and 10.10.21.100 addresses are not correct. Go back to your instructor and get valid addresses, and then it should all work now. This all works when using dhcp4: true instead of static IP's.
answered 15 hours ago
heynnemaheynnema
21.3k32360
Unfortunately, i can't connect the internet after these steps. BTW, I created the 99-disable-network-config.cfg as well.
– codemonkey
15 hours ago
But your ping commands failed before, so you were not able to connect to the Internet then either, correct? Edit your question and show mels -al /etc/netplanand the output of the twosudo netplan...commands... andresolvectl.
– heynnema
15 hours ago
And alsols -al /etc/resolv.confandcat /etc/resolv.conf.
– heynnema
15 hours ago
I edited the question. resolvectl command is not found.
– codemonkey
14 hours ago
1
Ah again! Those IP's are wrong. Unless they've setup those specific IP's somewhere on the network, your .yaml file, although syntactically correct, will never work, and pings and Internet will fail. So this situation is not in a production environment, but rather a college/university environment? I think that with the exception of your symlink for /etc/resolv.conf, I think we've gone as far as we can. Temporarily usedhcp4: trueuntil you get the correct IP's. Please do come back later and update me, and accept my answer when it's all working, ok?
– heynnema
14 hours ago
|
show 8 more comments
Partial answer...
From the comments...
In /etc/netplan we have three files...
01-network-card.yaml # the file that you created
50-cloud-init.yaml # the file that was already there
99-disable-network-config.cfg # who knows where this file came from
cd /etc/netplan # change directories
sudo mv 50-cloud-init.yaml 50-cloud-init.yaml.HOLD # rename file
sudo mv 99-disable-network-config.cfg 99-disable-network-config.cfg.HOLD # rename file
sudo netplan --debug generate # generate config files
sudo netplan apply # apply new configuration
Note: The new configuration may already work at this point.
reboot # confirm operation
Update #1:
The 10.10.21.8 and 10.10.21.100 addresses are not correct. Go back to your instructor and get valid addresses, and then it should all work now. This all works when using dhcp4: true instead of static IP's.
answered 15 hours ago
heynnemaheynnema
21.3k32360
Unfortunately, i can't connect the internet after these steps. BTW, I created the 99-disable-network-config.cfg as well.
– codemonkey
15 hours ago
But your ping commands failed before, so you were not able to connect to the Internet then either, correct? Edit your question and show mels -al /etc/netplanand the output of the twosudo netplan...commands... andresolvectl.
– heynnema
15 hours ago
And alsols -al /etc/resolv.confandcat /etc/resolv.conf.
– heynnema
15 hours ago
I edited the question. resolvectl command is not found.
– codemonkey
14 hours ago
1
Ah again! Those IP's are wrong. Unless they've setup those specific IP's somewhere on the network, your .yaml file, although syntactically correct, will never work, and pings and Internet will fail. So this situation is not in a production environment, but rather a college/university environment? I think that with the exception of your symlink for /etc/resolv.conf, I think we've gone as far as we can. Temporarily usedhcp4: trueuntil you get the correct IP's. Please do come back later and update me, and accept my answer when it's all working, ok?
– heynnema
14 hours ago
|
show 8 more comments
Partial answer...
From the comments...
In /etc/netplan we have three files...
01-network-card.yaml # the file that you created
50-cloud-init.yaml # the file that was already there
99-disable-network-config.cfg # who knows where this file came from
cd /etc/netplan # change directories
sudo mv 50-cloud-init.yaml 50-cloud-init.yaml.HOLD # rename file
sudo mv 99-disable-network-config.cfg 99-disable-network-config.cfg.HOLD # rename file
sudo netplan --debug generate # generate config files
sudo netplan apply # apply new configuration
Note: The new configuration may already work at this point.
reboot # confirm operation
Update #1:
The 10.10.21.8 and 10.10.21.100 addresses are not correct. Go back to your instructor and get valid addresses, and then it should all work now. This all works when using dhcp4: true instead of static IP's.
answered 15 hours ago
heynnemaheynnema
21.3k32360
Partial answer...
From the comments...
In /etc/netplan we have three files...
01-network-card.yaml # the file that you created
50-cloud-init.yaml # the file that was already there
99-disable-network-config.cfg # who knows where this file came from
cd /etc/netplan # change directories
sudo mv 50-cloud-init.yaml 50-cloud-init.yaml.HOLD # rename file
sudo mv 99-disable-network-config.cfg 99-disable-network-config.cfg.HOLD # rename file
sudo netplan --debug generate # generate config files
sudo netplan apply # apply new configuration
Note: The new configuration may already work at this point.
reboot # confirm operation
Update #1:
The 10.10.21.8 and 10.10.21.100 addresses are not correct. Go back to your instructor and get valid addresses, and then it should all work now. This all works when using dhcp4: true instead of static IP's.
answered 15 hours ago
heynnemaheynnema
21.3k32360
edited 8 hours ago
answered 15 hours ago
heynnemaheynnema
21.3k32360
answered 15 hours ago
heynnemaheynnema
21.3k32360
answered 15 hours ago
heynnemaheynnema
21.3k32360
21.3k32360
Unfortunately, i can't connect the internet after these steps. BTW, I created the 99-disable-network-config.cfg as well.
– codemonkey
15 hours ago
But your ping commands failed before, so you were not able to connect to the Internet then either, correct? Edit your question and show mels -al /etc/netplanand the output of the twosudo netplan...commands... andresolvectl.
– heynnema
15 hours ago
And alsols -al /etc/resolv.confandcat /etc/resolv.conf.
– heynnema
15 hours ago
I edited the question. resolvectl command is not found.
– codemonkey
14 hours ago
1
Ah again! Those IP's are wrong. Unless they've setup those specific IP's somewhere on the network, your .yaml file, although syntactically correct, will never work, and pings and Internet will fail. So this situation is not in a production environment, but rather a college/university environment? I think that with the exception of your symlink for /etc/resolv.conf, I think we've gone as far as we can. Temporarily usedhcp4: trueuntil you get the correct IP's. Please do come back later and update me, and accept my answer when it's all working, ok?
– heynnema
14 hours ago
|
show 8 more comments
Unfortunately, i can't connect the internet after these steps. BTW, I created the 99-disable-network-config.cfg as well.
– codemonkey
15 hours ago
But your ping commands failed before, so you were not able to connect to the Internet then either, correct? Edit your question and show mels -al /etc/netplanand the output of the twosudo netplan...commands... andresolvectl.
– heynnema
15 hours ago
And alsols -al /etc/resolv.confandcat /etc/resolv.conf.
– heynnema
15 hours ago
I edited the question. resolvectl command is not found.
– codemonkey
14 hours ago
1
Ah again! Those IP's are wrong. Unless they've setup those specific IP's somewhere on the network, your .yaml file, although syntactically correct, will never work, and pings and Internet will fail. So this situation is not in a production environment, but rather a college/university environment? I think that with the exception of your symlink for /etc/resolv.conf, I think we've gone as far as we can. Temporarily usedhcp4: trueuntil you get the correct IP's. Please do come back later and update me, and accept my answer when it's all working, ok?
– heynnema
14 hours ago
Unfortunately, i can't connect the internet after these steps. BTW, I created the 99-disable-network-config.cfg as well.
– codemonkey
15 hours ago
Unfortunately, i can't connect the internet after these steps. BTW, I created the 99-disable-network-config.cfg as well.
– codemonkey
15 hours ago
But your ping commands failed before, so you were not able to connect to the Internet then either, correct? Edit your question and show me
ls -al /etc/netplan and the output of the two sudo netplan... commands... and resolvectl.– heynnema
15 hours ago
But your ping commands failed before, so you were not able to connect to the Internet then either, correct? Edit your question and show me
ls -al /etc/netplan and the output of the two sudo netplan... commands... and resolvectl.– heynnema
15 hours ago
And also
ls -al /etc/resolv.conf and cat /etc/resolv.conf.– heynnema
15 hours ago
And also
ls -al /etc/resolv.conf and cat /etc/resolv.conf.– heynnema
15 hours ago
I edited the question. resolvectl command is not found.
– codemonkey
14 hours ago
I edited the question. resolvectl command is not found.
– codemonkey
14 hours ago
1
1
Ah again! Those IP's are wrong. Unless they've setup those specific IP's somewhere on the network, your .yaml file, although syntactically correct, will never work, and pings and Internet will fail. So this situation is not in a production environment, but rather a college/university environment? I think that with the exception of your symlink for /etc/resolv.conf, I think we've gone as far as we can. Temporarily use
dhcp4: true until you get the correct IP's. Please do come back later and update me, and accept my answer when it's all working, ok?– heynnema
14 hours ago
Ah again! Those IP's are wrong. Unless they've setup those specific IP's somewhere on the network, your .yaml file, although syntactically correct, will never work, and pings and Internet will fail. So this situation is not in a production environment, but rather a college/university environment? I think that with the exception of your symlink for /etc/resolv.conf, I think we've gone as far as we can. Temporarily use
dhcp4: true until you get the correct IP's. Please do come back later and update me, and accept my answer when it's all working, ok?– heynnema
14 hours ago
|
show 8 more comments
codemonkey is a new contributor. Be nice, and check out our Code of Conduct.
codemonkey is a new contributor. Be nice, and check out our Code of Conduct.
codemonkey is a new contributor. Be nice, and check out our Code of Conduct.
codemonkey is a new contributor. Be nice, and check out our Code of Conduct.
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Do you actually have a
enp0s3interface? what is the output ofls /sys/class/net?– steeldriver
yesterday
1
Do you have more than one .yaml file in /etc/netplan? Edit your question and show me
sudo lshw -C network. Amongst other things, I want to see the name of your ethernet device. You should be usingsudo netplan --debug generatefirst, and thensudo netplan apply, thenrebootto confirm operation.– heynnema
yesterday
@steeldriver the output is "enp0s3" and "lo"
– codemonkey
19 hours ago
@heynnema there is also 50-cloud-init.yaml and 99-disable-network-config.cfg files, and i updated the question with "sudo lshw -C "
– codemonkey
19 hours ago
Ah! Edit your question and show me
cat /etc/netplan/*. Then do you have 3 files in /etc/netplan? 2 .yaml and 1 .cfg?– heynnema
16 hours ago