SELECT table_name as “Table”, ROUND(((data_length +index_length) / 1024 / 1024), 2) AS “Size in (MB)” FROM information_schema.TABLES WHERE table_schema = “ayaddb” ORDER BY (data_length + index_length) DESC;
note: ayaddb is the database name that you want to check the table disk size for it
docker rm $(docker ps -a -q -f status=exited)
curl -o /dev/null -s -w "%{http_code}\n" http://localhostip 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