Virtualbox kubernetes network access internet issue The 2019 Stack Overflow Developer Survey Results Are InNot able to connect to local networkUbuntu server can access internet but cannot ping systems in the LANConflict between two network interfaces eth0 and eth114.04 no internet connection when I up the bridge interface (for LXC container)I can't connect to internet through wired connectionUbuntu 14.04 Ethernet Connectivity Issue on startupDual NIC not workingNo access to Internet after uninstalling TorVPN connects but no remote LAN accessI've managed to completely bork my network connection in 18.04
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Virtualbox kubernetes network access internet issue
The 2019 Stack Overflow Developer Survey Results Are InNot able to connect to local networkUbuntu server can access internet but cannot ping systems in the LANConflict between two network interfaces eth0 and eth114.04 no internet connection when I up the bridge interface (for LXC container)I can't connect to internet through wired connectionUbuntu 14.04 Ethernet Connectivity Issue on startupDual NIC not workingNo access to Internet after uninstalling TorVPN connects but no remote LAN accessI've managed to completely bork my network connection in 18.04
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;
I am new to kubernetes I setup two nodes using virtualbox node for master and another for worker.
I had to restart the master node to extend the size of the virtual machine disk size
but after restarting I noticed network interface didn't notice before docker0
and I no longer can connect to the internet
root@kmaster:/home/master# ifconfig -a
docker0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
inet 172.17.0.1 netmask 255.255.0.0 broadcast 172.17.255.255
ether 02:42:c0:68:28:15 txqueuelen 0 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
enp0s3: flags=4098<BROADCAST,MULTICAST> mtu 1500
inet 10.0.2.15 netmask 255.255.255.255 broadcast 0.0.0.0
ether 08:00:27:d8:7b:e3 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 115563 bytes 23918431 (23.9 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 115563 bytes 23918431 (23.9 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
from /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
autp enp0s3
iface enp0s3 inet static
address 10.0.2.15
and when I am running I face this error
root@kmaster:/home/master# sudo ip route add default via 10.0.2.1
Error: Nexthop has invalid gateway.
Note: I run root@kmaster:/home/master# ip route flush dev enp0s3
before running sudo ip route add default via 10.0.2.1
and when trying to run kubeadm init --apiserver-advertise-address=10.0.2.15 --pod-network-cidr=10.0.2.0/24
I face this error
I0409 16:04:10.994564 9270 version.go:96] could not fetch a Kubernetes version from the internet: unable to get URL "https://dl.k8s.io/release/stable-1.txt": Get https://dl.k8s.io/release/stable-1.txt: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)
I0409 16:04:10.994714 9270 version.go:97] falling back to the local client version: v1.14.0
[init] Using Kubernetes version: v1.14.0
[preflight] Running pre-flight checks
[WARNING Service-Docker]: docker service is not enabled, please run 'systemctl enable docker.service'
[WARNING IsDockerSystemdCheck]: detected "cgroupfs" as the Docker cgroup driver. The recommended driver is "systemd". Please follow the guide at https://kubernetes.io/docs/setup/cri/
error execution phase preflight: [preflight] Some fatal errors occurred:
[ERROR Port-6443]: Port 6443 is in use
[ERROR Port-10251]: Port 10251 is in use
[ERROR Port-10252]: Port 10252 is in use
[ERROR FileAvailable--etc-kubernetes-manifests-kube-apiserver.yaml]: /etc/kubernetes/manifests/kube-apiserver.yaml already exists
[ERROR FileAvailable--etc-kubernetes-manifests-kube-controller-manager.yaml]: /etc/kubernetes/manifests/kube-controller-manager.yaml already exists
[ERROR FileAvailable--etc-kubernetes-manifests-kube-scheduler.yaml]: /etc/kubernetes/manifests/kube-scheduler.yaml already exists
[ERROR FileAvailable--etc-kubernetes-manifests-etcd.yaml]: /etc/kubernetes/manifests/etcd.yaml already exists
[ERROR Port-10250]: Port 10250 is in use
[ERROR Port-2379]: Port 2379 is in use
[ERROR Port-2380]: Port 2380 is in use
[ERROR DirAvailable--var-lib-etcd]: /var/lib/etcd is not empty
[preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`
from /etc/resolv.conf
nameserver 8.8.8.8
options edns0
networking 18.04 virtualbox internet kubernetes
New contributor
add a comment |
I am new to kubernetes I setup two nodes using virtualbox node for master and another for worker.
I had to restart the master node to extend the size of the virtual machine disk size
but after restarting I noticed network interface didn't notice before docker0
and I no longer can connect to the internet
root@kmaster:/home/master# ifconfig -a
docker0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
inet 172.17.0.1 netmask 255.255.0.0 broadcast 172.17.255.255
ether 02:42:c0:68:28:15 txqueuelen 0 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
enp0s3: flags=4098<BROADCAST,MULTICAST> mtu 1500
inet 10.0.2.15 netmask 255.255.255.255 broadcast 0.0.0.0
ether 08:00:27:d8:7b:e3 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 115563 bytes 23918431 (23.9 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 115563 bytes 23918431 (23.9 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
from /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
autp enp0s3
iface enp0s3 inet static
address 10.0.2.15
and when I am running I face this error
root@kmaster:/home/master# sudo ip route add default via 10.0.2.1
Error: Nexthop has invalid gateway.
Note: I run root@kmaster:/home/master# ip route flush dev enp0s3
before running sudo ip route add default via 10.0.2.1
and when trying to run kubeadm init --apiserver-advertise-address=10.0.2.15 --pod-network-cidr=10.0.2.0/24
I face this error
I0409 16:04:10.994564 9270 version.go:96] could not fetch a Kubernetes version from the internet: unable to get URL "https://dl.k8s.io/release/stable-1.txt": Get https://dl.k8s.io/release/stable-1.txt: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)
I0409 16:04:10.994714 9270 version.go:97] falling back to the local client version: v1.14.0
[init] Using Kubernetes version: v1.14.0
[preflight] Running pre-flight checks
[WARNING Service-Docker]: docker service is not enabled, please run 'systemctl enable docker.service'
[WARNING IsDockerSystemdCheck]: detected "cgroupfs" as the Docker cgroup driver. The recommended driver is "systemd". Please follow the guide at https://kubernetes.io/docs/setup/cri/
error execution phase preflight: [preflight] Some fatal errors occurred:
[ERROR Port-6443]: Port 6443 is in use
[ERROR Port-10251]: Port 10251 is in use
[ERROR Port-10252]: Port 10252 is in use
[ERROR FileAvailable--etc-kubernetes-manifests-kube-apiserver.yaml]: /etc/kubernetes/manifests/kube-apiserver.yaml already exists
[ERROR FileAvailable--etc-kubernetes-manifests-kube-controller-manager.yaml]: /etc/kubernetes/manifests/kube-controller-manager.yaml already exists
[ERROR FileAvailable--etc-kubernetes-manifests-kube-scheduler.yaml]: /etc/kubernetes/manifests/kube-scheduler.yaml already exists
[ERROR FileAvailable--etc-kubernetes-manifests-etcd.yaml]: /etc/kubernetes/manifests/etcd.yaml already exists
[ERROR Port-10250]: Port 10250 is in use
[ERROR Port-2379]: Port 2379 is in use
[ERROR Port-2380]: Port 2380 is in use
[ERROR DirAvailable--var-lib-etcd]: /var/lib/etcd is not empty
[preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`
from /etc/resolv.conf
nameserver 8.8.8.8
options edns0
networking 18.04 virtualbox internet kubernetes
New contributor
add a comment |
I am new to kubernetes I setup two nodes using virtualbox node for master and another for worker.
I had to restart the master node to extend the size of the virtual machine disk size
but after restarting I noticed network interface didn't notice before docker0
and I no longer can connect to the internet
root@kmaster:/home/master# ifconfig -a
docker0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
inet 172.17.0.1 netmask 255.255.0.0 broadcast 172.17.255.255
ether 02:42:c0:68:28:15 txqueuelen 0 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
enp0s3: flags=4098<BROADCAST,MULTICAST> mtu 1500
inet 10.0.2.15 netmask 255.255.255.255 broadcast 0.0.0.0
ether 08:00:27:d8:7b:e3 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 115563 bytes 23918431 (23.9 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 115563 bytes 23918431 (23.9 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
from /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
autp enp0s3
iface enp0s3 inet static
address 10.0.2.15
and when I am running I face this error
root@kmaster:/home/master# sudo ip route add default via 10.0.2.1
Error: Nexthop has invalid gateway.
Note: I run root@kmaster:/home/master# ip route flush dev enp0s3
before running sudo ip route add default via 10.0.2.1
and when trying to run kubeadm init --apiserver-advertise-address=10.0.2.15 --pod-network-cidr=10.0.2.0/24
I face this error
I0409 16:04:10.994564 9270 version.go:96] could not fetch a Kubernetes version from the internet: unable to get URL "https://dl.k8s.io/release/stable-1.txt": Get https://dl.k8s.io/release/stable-1.txt: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)
I0409 16:04:10.994714 9270 version.go:97] falling back to the local client version: v1.14.0
[init] Using Kubernetes version: v1.14.0
[preflight] Running pre-flight checks
[WARNING Service-Docker]: docker service is not enabled, please run 'systemctl enable docker.service'
[WARNING IsDockerSystemdCheck]: detected "cgroupfs" as the Docker cgroup driver. The recommended driver is "systemd". Please follow the guide at https://kubernetes.io/docs/setup/cri/
error execution phase preflight: [preflight] Some fatal errors occurred:
[ERROR Port-6443]: Port 6443 is in use
[ERROR Port-10251]: Port 10251 is in use
[ERROR Port-10252]: Port 10252 is in use
[ERROR FileAvailable--etc-kubernetes-manifests-kube-apiserver.yaml]: /etc/kubernetes/manifests/kube-apiserver.yaml already exists
[ERROR FileAvailable--etc-kubernetes-manifests-kube-controller-manager.yaml]: /etc/kubernetes/manifests/kube-controller-manager.yaml already exists
[ERROR FileAvailable--etc-kubernetes-manifests-kube-scheduler.yaml]: /etc/kubernetes/manifests/kube-scheduler.yaml already exists
[ERROR FileAvailable--etc-kubernetes-manifests-etcd.yaml]: /etc/kubernetes/manifests/etcd.yaml already exists
[ERROR Port-10250]: Port 10250 is in use
[ERROR Port-2379]: Port 2379 is in use
[ERROR Port-2380]: Port 2380 is in use
[ERROR DirAvailable--var-lib-etcd]: /var/lib/etcd is not empty
[preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`
from /etc/resolv.conf
nameserver 8.8.8.8
options edns0
networking 18.04 virtualbox internet kubernetes
New contributor
I am new to kubernetes I setup two nodes using virtualbox node for master and another for worker.
I had to restart the master node to extend the size of the virtual machine disk size
but after restarting I noticed network interface didn't notice before docker0
and I no longer can connect to the internet
root@kmaster:/home/master# ifconfig -a
docker0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
inet 172.17.0.1 netmask 255.255.0.0 broadcast 172.17.255.255
ether 02:42:c0:68:28:15 txqueuelen 0 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
enp0s3: flags=4098<BROADCAST,MULTICAST> mtu 1500
inet 10.0.2.15 netmask 255.255.255.255 broadcast 0.0.0.0
ether 08:00:27:d8:7b:e3 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 115563 bytes 23918431 (23.9 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 115563 bytes 23918431 (23.9 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
from /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
autp enp0s3
iface enp0s3 inet static
address 10.0.2.15
and when I am running I face this error
root@kmaster:/home/master# sudo ip route add default via 10.0.2.1
Error: Nexthop has invalid gateway.
Note: I run root@kmaster:/home/master# ip route flush dev enp0s3
before running sudo ip route add default via 10.0.2.1
and when trying to run kubeadm init --apiserver-advertise-address=10.0.2.15 --pod-network-cidr=10.0.2.0/24
I face this error
I0409 16:04:10.994564 9270 version.go:96] could not fetch a Kubernetes version from the internet: unable to get URL "https://dl.k8s.io/release/stable-1.txt": Get https://dl.k8s.io/release/stable-1.txt: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)
I0409 16:04:10.994714 9270 version.go:97] falling back to the local client version: v1.14.0
[init] Using Kubernetes version: v1.14.0
[preflight] Running pre-flight checks
[WARNING Service-Docker]: docker service is not enabled, please run 'systemctl enable docker.service'
[WARNING IsDockerSystemdCheck]: detected "cgroupfs" as the Docker cgroup driver. The recommended driver is "systemd". Please follow the guide at https://kubernetes.io/docs/setup/cri/
error execution phase preflight: [preflight] Some fatal errors occurred:
[ERROR Port-6443]: Port 6443 is in use
[ERROR Port-10251]: Port 10251 is in use
[ERROR Port-10252]: Port 10252 is in use
[ERROR FileAvailable--etc-kubernetes-manifests-kube-apiserver.yaml]: /etc/kubernetes/manifests/kube-apiserver.yaml already exists
[ERROR FileAvailable--etc-kubernetes-manifests-kube-controller-manager.yaml]: /etc/kubernetes/manifests/kube-controller-manager.yaml already exists
[ERROR FileAvailable--etc-kubernetes-manifests-kube-scheduler.yaml]: /etc/kubernetes/manifests/kube-scheduler.yaml already exists
[ERROR FileAvailable--etc-kubernetes-manifests-etcd.yaml]: /etc/kubernetes/manifests/etcd.yaml already exists
[ERROR Port-10250]: Port 10250 is in use
[ERROR Port-2379]: Port 2379 is in use
[ERROR Port-2380]: Port 2380 is in use
[ERROR DirAvailable--var-lib-etcd]: /var/lib/etcd is not empty
[preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`
from /etc/resolv.conf
nameserver 8.8.8.8
options edns0
networking 18.04 virtualbox internet kubernetes
networking 18.04 virtualbox internet kubernetes
New contributor
New contributor
New contributor
asked 2 days ago
Hassan MalaabehHassan Malaabeh
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Hassan Malaabeh is a new contributor. Be nice, and check out our Code of Conduct.
Hassan Malaabeh is a new contributor. Be nice, and check out our Code of Conduct.
Hassan Malaabeh is a new contributor. Be nice, and check out our Code of Conduct.
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