Ayad knowledge base

curl -o /dev/null -s -w "%{http_code}\n" http://localhost

ip a |grep “inet 10” |awk ‘NR==1{print $2}’ |sed -r ‘s/\/24/ /g’

oc adm top pods

oc adm top nodes

oc get nodes -o wide |awk ‘{print $6 ”  “$3}’

oc adm policy add-cluster-role-to-user cluster-admin ayahmad

ansible groupname -i hosts -u user -m service -a “name=httpd state=started” -b

-a stand for arguments, -m stand for module, -b stand for become a root

ansible groupname -i hosts -u user -m yum -a “name=httpd state=latest” -b

note: -a stand for arguments, -b stand for become a root, because need to be a root in order to install service

kubectl create namespace default-mem-example

kubectl get deployments.apps blue -o yaml > blue.yaml

kubectl get pods -o wide