Sunday, June 9, 2019

How to automatically setup a python3 virtualenv on CentOS 7

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CentOS7 comes with Python 2 by default, but pip is going to stop supporting Python 2 from 2019. This document shows you how to install pyth...

How to directly ssh into a server through jump servers using ssh configs

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Host {nickname for the server}     HostName {real hostname for the server}     ProxyCommand ssh {jump.server.com} nc %h %p     gssapidele...
Friday, September 15, 2017

Tensorflow learning notes

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This page would show you a good path to learn Tensorflow from its tutorials online: 1. To install Tensorflow, you can follow: https://www...
Friday, March 3, 2017

How to mount NFS on Ubuntu 12.04 with caching support

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1 Install packages sudo apt-get install nfs-common sudo apt-get install cachefilesd 2 File system setup Your filesystem ...
Thursday, January 12, 2017

increasing latency using Google RE2 regex library

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Recently after building a text processing service using Google RE2 regex library which is assumed to be thread friendly, we benched it with ...
Monday, January 9, 2017

The magic 40 milliseconds deplay in TCP socket programming

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Recently we have programmed a protocol based on TCP socket programming, and then built a service based on the protocol. During the benchma...
Friday, October 7, 2016

How to install latest tmux on Ubuntu 12.04

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(1) Install add-apt-repository sudo apt-get install python-software-properties (2) Install tmux sudo add-apt-repository ppa:pi-rho/d...