In the previous chapters, we have been familiar with the basic operations of creating, reading and writing data in leveldb. Now we should take a closer look at the structure of data storage. At the beginning, we have seen the implementation of skiplist. In fact, MemTable is basically implemented by skip ...
Posted on Sun, 27 Oct 2019 03:40:19 -0400 by llangres
When a project is encountered, you need to install the python project in the Intranet environment, so you write a script to automatically deploy the python environment and the python project in your spare time. Because the project is classified, only the shell script to automatically deploy the python environment is provided here, including the ...
Posted on Fri, 25 Oct 2019 16:06:43 -0400 by Karpathos
Operating System Interface
The os module provides many functions that interact with the operating system:
>>> import os
>>> os.getcwd() # Return the current working directory
>>> os.chdir('/server/accesslogs') # Change current working directory
>>> os.system(' ...
Posted on Thu, 10 Oct 2019 04:55:31 -0400 by macmonkey
Server 1: Recommend Aliyun Server https://www.aliyun.com/product/ecsBasic System: CentOS 7
yum -y install gcc gcc-c++ autoconf automake make
yum -y install zlib zlib-devel openssl openssl-devel pcre pcre-devel
1. Download keepalived
yum -y install keepalived
Download the binary source package: ...
Posted on Wed, 02 Oct 2019 07:04:48 -0400 by megaalf
Links to the original text: https://my.oschina.net/mohaiyong/blog/221262
We get archived compressed files through tar, which actually contains them.
Compression of two ope ...
Posted on Mon, 09 Sep 2019 00:52:15 -0400 by jazzydog
Most of the tutorials in this article refer to other tutorials on the web, which are a few summaries that I've come back to after the actual operation. I hope you can help with the project you're deploying.
Basic environment: Centos7, tomcat8, jdk8, MySQL 5.6, nginx
yum install java-1.8.0-openjdk* -y
With yum installati ...
Posted on Sun, 08 Sep 2019 21:41:58 -0400 by KoA
Installation steps of php in nginx environment
CentOS 6.5 / 7.0 x86_64
Fedora 20 x86_64
I. yum Installation Dependency Package
yum install zlib libxml libjpeg freetype libpng gd curl libiconv zlib-devel libxml2-devel libjpeg-devel freetype-devel libpng-devel gd-devel curl-devel openssl openssl-devel libxslt-devel
Posted on Thu, 04 Jul 2019 19:44:17 -0400 by Gregg
nginx is a lightweight web server and a reverse proxy server (domain name forwarding is the function of reverse proxy)
1.nginx can directly support rails and php programs
2. Can act as a reverse proxy server for HTTP
3. As a load balancing server
4. As a mail proxy server
5. Help front-end achieve dynamic a ...
Posted on Sat, 29 Jun 2019 22:23:54 -0400 by HSM
- Introduction to Nginx
Introduction to Nginx
Nginx is a high performance HTTP and reverse proxy server, which has the following advantages
Supporting high concurrency
Less resources occupied
nginx as a proxy server is mainly used to achieve reverse proxy and load balancing.
To understand the reflection proxy, we f ...
Posted on Thu, 20 Jun 2019 21:29:40 -0400 by Victorm
1. Upgrade of green software requires three directories:1) The directory of the main version file mainVersionDir Primarily store complete compressed packages2) subVersionDir, the directory where the subversion files are located Primarily stores a single file or multiple files to be upgraded, usually in zip form3) latestVersionDir, the directory ...
Posted on Sun, 09 Jun 2019 14:32:16 -0400 by SnakeO