Tcpdump Container Network Traffic
Get pod host IP and container ID SSH to host where pod is running. Get container interface id On the…
OVS调试排查指南
一、查看网卡状态:n…
Mysql 8 CheatSheet
Database Operation Table Operation User Operation Backup/Restore
Mysql 8.0 Allow Root Remote Login
When setting up mysql with mysql_secure_installation, Disallow root login remotely set to no, but login with root user from remote…
Angular Application Witch Ace Editor Error
In HyperKuber Web Project which is using angular 13 with ace editor for yaml/json display, an error occured in browser…
ShaunOS Open Sourced
Havent updated this site for a long time. this is a normal update. I have decided to opensource shaunos which…
openshift origin multi-master manually deployment part-5
8,deply route and docker registry service. deploy a router, running on three master nodes oadm policy add-scc-to-user hostnetwork -z router…
openshift origin multi-master manually deployment part-4
7, setup node service, we install node service on all nodes, including master nodes. yum install -y centos-release-openshift-origin yum install…
openshift origin multi-master manually deployment part-3
6, install and cofigure etcd cluster, on all master nodes yum install -y etcd configure etcd, comment out all default…
openshift origin multi-master manually deployment part-2
5, install origin master service, on all master yum install -y centos-release-openshift-origin yum install -y origin-master bash-completion create origin-master-api systemd…
openshift origin multi-master manually deployment part-1
i have deployed an openshift origin muliti-master cluster successfully on centos and suse enterprise server. Since the deployment is done…
Happy New Year
The Chinese new year is coming soon!In the year of rooster,I wish you all be rich and live a life…
Rabbitmq Server cluster docker images for openshift origin platform
Build rabbitmq cluster docker images for openshift origin platform. Down load docker file tarball rabbitmq.tar, and cd rabbitmq, run docker…
Openshift origin multi-node installation guide
in this tutorial, i will describe how to deploy an openshift multi-node cluster manually. before we start, let’s clarify some basic…
Adjust total file descriptors of rabbitmq
The total file descriptors number of rabbitmq is 1024 by default. This value is not big enough obviously when your…
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 =…