I. Preliminary Analysis of Cluster Technology
1. tomcat cluster multi-application servers, sharing pressure and ensuring high availability of services, using tomcat cluster to achieve cluster environment, Manager is responsible for managing session sharing.
2. The web server adopts Apache, which is responsible for load balancing between appl ...
Posted by msandersen on Sat, 22 Dec 2018 10:18:06 -0800
Upgrade environment: Tomcat works
1. Get Let's Encrypt Free SSL Certificate
# Create a new ssl directory under the current directory
$ mkdir ssl
$ cd ssl
# Download letsencrypt from github
$ git clone https://github.com/letsencrypt/letsencrypt
# Enter the letsencrypt directory
$ cd letsencry ...
Posted by hogleg on Thu, 20 Dec 2018 09:03:05 -0800
Message: This paper uses IDEA to develop, and suggests to build the project first according to the article order. As long as the directory structure is built first, it is the problem of copy and paste. Inside the code also has comments, first build up, slowly looking at the code thinking, want to ask what to do? Even if you are a beginner, you ...
Posted by Kieran Huggins on Thu, 20 Dec 2018 03:54:05 -0800
hibernate comes with a simple logging framework. Here we introduce a powerful logging framework log4j. Baidu Encyclopedia's introduction to log4j is very good. Most of the content below is copied from Baidu Encyclopedia.
Introduction to log4j (Baidu Encyclopedia)
Log4j is Apache An open source project, using Log4j, we can control the destinat ...
Posted by xt3mp0r~ on Wed, 19 Dec 2018 17:30:04 -0800
Summary of Java IO Stream Learning VII: Commons IO 2.5-FileUtils
For reprinting, please indicate the source: http://blog.csdn.net/zhaoyanjun6/article/details/54972773
This article is from [Zhao Yanjun's blog]
In the previous articles, I introduced the common use of IO, and today I introduce the use of the Commons IO framework.
Brief Introduct ...
Posted by Greg_BigPhpAmat on Wed, 19 Dec 2018 16:33:05 -0800
Introduction to Jinja2
Jinja2 is a python-based template engine with functions similar to smarty in PHP, Freemarker and velocity in J2ee. It can fully support unicode, and has an integrated sandbox execution environment, which is widely used. Jinja2 uses BSD authorization
The syntax of Jinja2 is composed of variables and stat ...
Posted by mutedgirl on Tue, 18 Dec 2018 21:27:04 -0800
Principle and Process Analysis of Android OTA Upgrade (VIII) - Execution Process of Upgrade Program update_binary
1. Analysis of the execution process of update_binary
The program binary executed by the child process in the previous article is actually update-binary in the update.zip package. As we mentioned above, Recovery services do ...
Posted by brax23 on Tue, 18 Dec 2018 18:36:04 -0800
The full name of SLF4J is Simple Logging Facade for Java, which is a simple log facade. SLF4J is not a specific logging framework, but serves as a simple facade for various logging frameworks, such as java.util.logging, logback and log4j.
SLF4J provides a unified logging interface, which abstracts the specific implementation of dif ...
Posted by jdlev on Tue, 18 Dec 2018 10:12:03 -0800
Deploying PHP project environment under linux can be divided into two kinds, one is using Apache, php, mysql package installation, and the other is using yum command to install.
To install with compressed packages of three kinds of software, it is necessary to configure the relationship between them manually. The configuration between apache an ...
Posted by cyberdwarf on Tue, 18 Dec 2018 01:51:04 -0800
The spring cloud components we touched on earlier are all based on Netflix components. This time, let's look at a brand new project created by the spring cloud team itself: Spring Cloud Config.It is used to provide centralized external configuration support for infrastructure and micro services in distributed systems. It is divided into two par ...
Posted by hayson1991 on Mon, 17 Dec 2018 15:54:04 -0800