The following is the Apache Log4net official website Technical document to be translated by GoogleHttp://logging.apache.org/log4net/release/features.htmlOverviewThe following examples can only be downloaded from the source of log4net, not on-line. To get the sample download Log4net source code version.Building an example building an exampleA simple example can be
Recently in the study of the construction of the site structure, with 4 virtual machines to build a simple site architecture, very simple, suitable for getting started.The following example uses BIND9 to do DNS server, Nginx load balancer, background server is Apache. Installation process will not say, direct placement configuration, so that beginners to the site structure has a preliminary understanding.Th
Installation Environment: This article is used in the Debian7 32-bit.
First, install and configure the Apache Web server
Run the upgrade command to ensure that all aspects of our system components are up to date.
The code is as follows
Copy Code
Apt-get Update
Apt-get Upgrade--show-upgraded
Install the current version of the
Apache Camel is an open source project under the Apache Foundation, which is a rule-based Routing and mediation engine that provides the implementation of a Java object in Enterprise integration mode that configures routing and mediation rules through an application interface (or a declarative Java domain-specific language (DSL)). Domain-specific language means that Apa
Write a script named: autostart.sh, placed in the/etc/init.d/directory, give permission chmod +x/etc/init.d/autostart.shThe code is as follows#!/bin/sh#chkconfig:2345 #description: Autostart server Daemon#shell script Body Custom # ..... start ..... stop, ..... ..... ..... restart .... ....In this case, the service command can be used to see if CHKCONFG can be usedEnter/etc/rc.d/init.d/chkconfig--list autostart//If the service Autostart supports ....---add autostart ')PerformChkconfig autostart
Apache Commons VFS is also known as Apache Commons Virtual FileSystem. is a powerful set of access to a variety of resources, the JAR package has been completely new refactoring, the latest version is 2.2. If we need to get some information of different format files in our normal work, such as file size, path, file last change time, etc., or we need to do some regular operation on the file, such as deleting
Apache camel is an open-source project under the Apache Foundation. It is a rule-based routing and processing engine that provides Java object implementation in the enterprise integration mode, configure routing and processing rules through application interfaces or declarative Java domain-specific language (DSL. Its core idea is to get data from a from source, process it through processor, and then send it
Apache rewrite example setForward one domain name to another in httpdThe VM domain name has recently changed. The new domain name isWww.wbhw.comTo make it easier to remember. In this case, you need to direct the original domain name webhosting-world.com, and the address of the Forum webhosting-world.com/forums/ to the new domain name, so that the user can find, and make the original Forum URL continue to be
Org. apache. commons. beanutils. BeanMap simple example, commonsbeanutils1. org. apache. commons. beanutils. BeanMap; a java bean can be called through the map api,
Several supported Operation interfaces:
Object get (Object key)
Object put (Object key, Object value)
Void putAll (Map t)
Set entrySet ()
Collection values ()
Boolean containsKey (Object key)
Example of pseudo-static rules in apacheCopy the following code and save it as. htaccess to the root directory of the site. (Make sure that your space/server is installed with apache. If it is iis, please refer to the pseudo-static rule example of ecshop under iis in proxy Ruibo) The code is as follows:Copy code Order deny, allowDeny from allRewriteEngine OnR
Copy codeThe Code is as follows: fivetrees extra # cat httpd-vhosts.conf_bak
#
# Virtual Hosts
#
# If you want to maintain multiple domains/hostnames on your
# Machine you can setup VirtualHost containers for them. Most deployments
# Use only name-based virtual hosts so the server doesn't need to worry about
# IP addresses. This is indicated by the asterisks in the directives below.
#
# Please see the documentation
# # For further details before you try to setup virtual hosts.
#
# You may use th
Pseudo-static only changes the display of the URL, in fact, the Site page or dynamic page. A pseudo-static page suffix can be html, HTM, or a directory format. So why use pseudo-static?Two points reason: 1 is SEO optimization, pseudo-static is conducive to search engine collection, can increase the site optimization effect; 2 is the URL looks simple, the site URL to the professional.We still implement pseudo-static through the. htaccess file. Specific. htaccess settings See the two
/ghost_err.log12345678910 Supervisor Common CommandsSupervisorctl start ggyun//Start process 1supervisorctl Restart ggyun//Restart process 1supervisorctl Reload//Restart SUPERVISORCTL1Supervisor problems that may occur after installation
Supervisorctl Start Ggyun error Unix:///var/run/supervisor.sock no such file
Solve
sudo touch/var/run/supervisor.sock1sudo chmod 777/var/run/supervisor.sock1sudo service Supervisor Restart1Connecting to a remote server
Windo
A small example of how to record a pig string interception:The requirement is as follows to extract the value of column 2nd (after the colon) from the following string: Java code 1 2 3 4a:ab#c#da:c#c#da:dd#c#da:zz#c#d If it is in Java, the method may have many kinds, such as substring, or split several times, and so on in pig, you can use the substring built-in functions to complete, but it is recommended to use the following way, this method is more
The apache rewrite rule has two common tags: [L] and [QSA]. After obtaining pseudo-static data with $ _ GET? The following parameter values must be marked with [QSA.The differences between [L] and [QSA] are as follows:1) 'Last | L' (last rule last) immediately stops the rewrite operation and does not apply other rewrite rules.2) 'qsappend | qsa' (append request string append)This flag forces the rewrite engine to append a request strin
In this example, Apache Shiro is used to implement identity authentication in a Web application, integrating Shiro with spring and storing user information using an embedded Derby database.
The persistent layer is hibernate, and the database connection pool is Alibaba druid. 2. Preparation
Create an inline Derby database, this example uses db-derby-10.10.1.1. 2.1
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.