Sometimes I need to know IP of specified network interface, for example eth0. There are several ways to do it: ifconfig command, ...
Specify Kubernetes API Server IP
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Kubernetes
Kubernetes version 1.13.2 When I was working on softlayer cluster, after installing kubernetes the kubectl command get stuck and r ...
Java equals Method
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Java
This is the first Java post in my blog, actually I have lots of summaries about Java in recently years, they just get accumulated ...
Setup SSH Pub Key Authentication
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Linux
More information about ssh and scp can refer this post. This is about how to set up SSH public key authentication, after that you ...
Git Rename Limit
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Git
I encounter a git issue when I run these commands, they are used to sync up with origin/master: git_clean() { git reset --ha ...
Kubernetes Ingress
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Kubernetes
Kubernetes version 1.13.2 First understand basis: Ingress vs Load Balancer Kubernetes NodePort vs LoadBalancer vs Ingress? When s ...
Docker Commit
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Docker
When build docker images, sometimes we need to use some files to install some packages inside container, for example when build re ...
Python for Devops
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Book
Good description for daily use: One time I was in the ocean and a wave crashed on top of me and took my breath away as it pulled m ...
Double Level Softlink
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Linux
This blog shows how double level softlink can be a good workaround for some situations. We need to link persistent data to a direc ...