Occasionally VM instance reboot in an unplanned way and triggers alert, usually this is due to hardware or software issue on physi ...

This kind of operation is useful when the initiator is off-line or the changes are straightforward so no need to wait until initia ...

对于理解，排查，解决系统性能问题有非常大的助益, 这本书简直就是 oncall saver, 我对这方面非常感兴趣，很幸运目前能遇到它而不是在几年之后。 此外我还有一篇博客总结了一下系统性能调优: <<Linux Performance Tunin ...

yum versionlock, to restrict a package to a fixed version against yum update/upgrade. The plugin stores a package list in /etc/yum ...

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 ...