Starting with kernel 2.2, Linux divides the privileges traditionally associated with superuser into distinct units, known as capab ...
Special Permission Bits
I have seen something like this in permission bits, What do these s/S and t/T stand for? # s bit-r-sr-sr-x 1 root db2iadm1 1 ...
Source vs Execute Script
Understand the difference between source and execute a script is important, otherwise you will be confused why something doesn’t r ...
Kubernetes sysctl
Kubernetes version 1.13.2 In my article <<Linux IPC>>, I mentioned that there is a workaround to set IPC kernel parame ...
Non-Root Docker Update Summary
I haven’t got time to learn Docker systematically so far, but I still gain a lot from daily tasks. This post is a brief summary fo ...
Linux Kernel Parameters
Prequel Recently I was dealing with Linux kernel parameters, which are new to me and in my case they are the key to performance of ...
Career Growth
Experience and good learnings from past. Be familiar with the product, ask for quota/env to use it like the customer, learn the ...
How Linux Works, 2nd Edition
Great book for all Linux developers and administrators! Just note for future quick revisit! Chapter1. The Big picture The most eff ...
Symbolic Link Operations
首先了解softlink 解决了hardlink什么问题: Hard links cannot span physical devices or partitions. Hard links cannot reference directories, onl ...
Daily Talk
Daily Pushback Pattern: common ground -> issue -> alternative Create pushback When the advice is not right to you: I definit ...