When I was working at IBM, I applied a dedicated cluster for Ansible learning. After I left, I decide to use Vagrant to create loc ...

Reference Reuse existing Persistent Volume Background Prod env upgrade failed, rolled back leads to historical monitoring data los ...

最近一周在on-call，这里整理一下Linkedin Learn: Linux performance的内容. 这里主要关注4个方面: CPU, Memory, Disk and FileSystem IO, Network. 其实很多时候，alerts o ...

Kind helps you bring up local k8s cluster for testing and POC. Seamlessly working with kubectl and others: such as prometheus, ope ...

//TODO This is the follow up of <<Terraform Quick Start>>. github repo Working with Existing Resources # Configure an ...

刚看完第一版，第二版就出来了, hmmm… -_-||| This book doesn’t offer instructions in using specific scripting languages or tools. There are code e ...

最近在学习Linux storage的过程中，研究了一下几个创建大文件的命令，特别是它们的区别. 可以参考这个提问Quickly create a large file on a Linux system. cd /tmp# slowdd if=/dev/ze ...

最近项目codebase 迁移到了GoB/Gerrit 的体系中，提交代码后CI 会做code linting 操作并且提示错误信息，最好是在提交前在本地先自检，但目前似乎没有集成本地linting 的功能, 经过观察，可以自己搭建linting 的环境去对任 ...

[x] ordinary file can also be formatted and mounted [x] terraform mount disk /dev/sdb, why this name? [x] do experiment, using vag ...

这个课程的收获就是boot stages, kernel的升级以及linux logging的种类，使用。特别是journald，来自systemd。我从其他文章中补充了一些内容，包括loginctl. Boot Linux booting process: ...