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# System prepended metadata

title: Johnny's Note

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Johnny's Note
===

Openshift
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- [登入Openshift出現，error: x509: certificate signed by unknown authority](/MEoBUl-gTpKGePjr2KU3Lw)
- [Harbor 重開機後出現 core service is not available](/IdgeVGQGSryvXnSnHWi9XA)

Linux
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- [man -k : nothing appropriate](/_ntmdxPZSDelYxbcfp22Gw)
- [常用的協定及預設的埠號](https://hackmd.io/@johnnymhpu/Skmdrs5B9)

Kubernets 
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- [Install Kubernetes Cluster on Ubuntu 20.04 with Kubeadm and Crio](/H1foBMaI9)
- [iptables v1.8.4 legacy: can't initialize iptables table `nat': Table does not exist do you need to insmod?
](/rJ5lik389)
- 