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Hugo list all the pages under sub directories
(1) Background Normally, we feel intuitive to put files under different nested sub directory, each directory could represents as file's category it belongs to or with specific…
Docker Cheatsheet
Delete all images $ for i in `docker images | awk 'NR>1{print $1":"$2}'`;do docker rmi $i;done Aliyun docker accelerator(/etc/docker/daemon.json) {"registry-mirrors": ["ht…
kubernetes cheatsheet
Obtain node join token$ kubeadm token list | awk 'NR==2{print $1}' Get master hostname$ kubectl get nodes -l node-role.kubernetes.io/master -o jsonpath="{.items[*].metadata.na…
How to use crash to analyze vmcore
It is very important to check the vmcore file when the server gets hang there or crash for unknown reason, following tips give some help on how to check the vmcore, hope it he…