Monasca installation and configuration guide
In this tutorial, i will describe how to setup monasca components in detail. Before we start, something needs to be…
Manila share create failed with glusterfs backend
if you got an error when you create a share. and the error message is Exception during message handling: Xpath…
import Ubuntu 16.04 image into cobbler
if you got this error when you import Ubuntu 16.04 server image into cobbler using cobbler import command, received on…
Determine whether a directory is empty or not for ext2 file system
How do we determine whether a directory is empty or not for ext2 file system? first,let’s take a look at…
Openstack 性能优化之MySQL(MariaDB)
对于openstack的性能…
Deploy VPNaaS in openstack liberty
Clarifying about the VPN agent and L3 agent for the reference implementations… There is a hierarchy for the agents. At…
Sahara tutorial for openstack Liberty and Mitaka
Sahara tutorial for openstack liberty and mitaka This tutorial includes following parts: sahara installation cluster configuration job configuration run map…
Ansible error “failed to resolve remote temporary directory from”
ansible ssh error,”failed to resolve remote temporary directory from” diff -r 572,575c572 < if in_data: < cmd =…
Writing gui for Shaun OS
I haven’t updated Shaun OS for a long time because lots of things need to be done for my new…
A deep look into the kernel design of Shaun OS
The advanced design of kernel has made Shaun OS much more stable, attractive. How does it work? I will give…
UEFI GUI App
This is a UEFI gui demo app i wrote for my job project. I have implemented some basic UI components,edit…
getrusage()
I just wrote one system call getrusage() today. paste it up.
Happy New Year!
Happy Chinese New Year!
Screenshots of Shaun os
1, GUI test
book list
Understanding the Linux kernel I bought this book from amazon.This book illustrates how and why kernel components are implemented, but…
About binary file
Shaun OS support elf binary file loading, both static or dynamic linked. Loading static linked elf binary is quite easy,we do not…
About Filesystem
Shaun os uses ext2 file system by default. Based on ext2 spec, Shaun made a basic implementation of that, and…
About process and threads
The following picture illustrates how the kernel manage a process which has four threads.
About Memory
The following picture illustrates physical memory usage and layout of Shaun os.