Microk8s 공부하면서 대충 필요한 것들 마구마구

Dashboard Token 확인

kubectl -n kube-system describe secret $(kubectl -n kube-system get secret | grep default | awk '{print $1}')

 

Dashboard 외부에서 접근가능하게 처리

kubectl port-forward -n kube-system svc/kubernetes-dashboard 10443:443 --address 0.0.0.0 &

 

kubectl alias 

snap alias microk8s.kubectl kubectl

 

port-forward 찾아서 지우기

root@ubuntu-master:~# ps -ef|grep port-forward
root       35872    3925  0 16:32 pts/1    00:00:00 /bin/bash /snap/microk8s/2036/microk8s-kubectl.wrapper port-forward -n kube-system svc/kubernetes-dashboard 10443:443 --address 0.0.0.0
root       35901   35872  0 16:32 pts/1    00:00:00 /snap/microk8s/2036/kubectl port-forward -n kube-system svc/kubernetes-dashboard 10443:443 --address 0.0.0.0
root       39913    3925  0 16:36 pts/1    00:00:00 grep --color=auto port-forward

root@ubuntu-master:~# kill -9 35901

 

apt install net-tools 설치시 
Waiting for cache lock: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process
에러 발생 대처

root@ubuntu:~# killall apt apt-get
root@ubuntu:~# rm /var/lib/apt/lists/lock
root@ubuntu:~# rm /var/cache/apt/archives/lock
root@ubuntu:~# rm /var/lib/dpkg/lock*
root@ubuntu:~# dpkg --configure -a
root@ubuntu:~# apt update

위와 같이 했는데 안되면 reboot~

microk8s status 실행 시 
The memory cgroup is not enabled. 
메시지 발생 처리
/boot/firmware/cmdline.txt 파일 제일 앞에 cgroup_enable=memory cgroup_memory=1 추가

cgroup_enable=memory cgroup_memory=1 net.ifnames=0 dwc_otg.lpm_enable=0 console=ttyAMA0,115200 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 elevator=deadline rootwait