MYSQL + MHA + keepalive + VIP installation configuration (2) -- MHA configuration 1. Overview
1. MHA introduction
MHA (Master High Availability) is a software package for automatic master failover and Slave upgrade. it is based on standard MySQL replication (asynchronous/semi-synchronous ).MHA consists of two parts: MHA Manager (management Node) and MHA Node (data Node ).MHA Manager can be separately deplo
Setting set wrap in. vimrc is ineffective today. Later we found that gvim's configuration file is different from Vim's! No culture is terrible ......
First, the current user directory contains three files and folders.. VIM: this is the place to save the plug-in colors related to VIM. Of course, this is a personal location.. Vimrc Vim configuration file. Gvimrc gvim
The configuration file 'd:/wwwroot/SC-tnb/data/config. cache. inc. php' does not support writing and cannot modify system configuration parameters when modifying basic system parameters in Zhimeng 5.5! The server permission has been opened, but I don't know why when I change the basic system parameters, I will prompt the configuration file 'd:/Zhimeng 5.5 to chan
Apache configuration multisite, Apache configuration site
In the httpd.conf file, the following configuration is available (note: The comment content of the httpd.conf file is removed)
Listen 80ServerName localhost
allowoverride None Require all Denieddocumentroot "E:"
Options Indexes followsymlinks allowoverride None Require all
Annotations are configured in much the same way as XML:The first is the need to add 4 jar packages: Hibernate-commons-annotations.jar, Hibernate-annotations.jar, Ejb3-persistence.jar, Hibernate-jpa-2.0-api-1.0.1.final.jarUsing annotations and XML configuration, the method to get the session is the same after the hibernate4.0 version, as follows:1 Configuration c
Apply the configuration device to development and apply the configuration device
To run an application on a device,
First, set the device to allow it to run non-Google Play Store applications:
For devices of Android 4.1 or earlier versions, select "Settings"> "application items" and select "Unknown Source.
For Android 4.2 devices, select "Settings"> "security", and select "Unknown Source.
Second, you also
Spring learning journey (7) Comparison of AOP Programming Based on XML configuration and AspectJ annotation configuration, aspectjaop
This blog post compares XML-based configuration with AOP Programming Based on AspectJ annotation configuration with a case with a slightly more complex point.
For more information about
JAVA environment variable and TomCat server configuration, tomcat server configuration
The Tomcat server is a free open-source Web application server, which is a lightweight application server. It is widely used in small and medium systems and concurrent users, is the first choice for developing and debugging JSP programs. For a beginner, it can be thought that when an Apache server is configured on a machi
Self-made instant chat backend-write a configuration, read the configuration, instant chat backend
I am ashamed to say that I have never studied well since I have been working for more than half a year. Half a year ago, I thought about how to create a game chat module? Although I have some ideas, I just want to think about it. Now, we can use our spare time to implement it.
Affected by work, I also want to
Reset Oracle configuration and oracle configuration
ORACLE is often pitfall. As a programmer who only needs to connect to ORACLE during development, he decided to write down these trivial things after having gone through time and time.
ORACLE is often used in virtual machines, and some changes to the network configuration of ORACLE will go down. I am also con
Build a cache Domain Name Server
Check the Domain Name Service Package
Attach the disc and install the service package
Need to install bind-9.3.6-4.P1.el5
Bind-chroot-9.3.6-4.P1.el5
Bind-libs-9.3.6-4.P1.el5
Bind-utils-9.3.6-4.P1.el5
Caching-nameserver-9.3.6-4.P1.el5.i386.rpm
Configure network information, host name, search domain, DNS should point to yourself
Modify the configuration file vi/var/named/chroot/etc/named. conf
Start
Apache Configuration Managementone, based on the port, that is, based on the different ports, the same IP virtual host virtual hosts with different ports based on the same IP 1) vi/etc/http/conf/httpd.conf2) Change the Listen field toListen 80Listen 8888(the above setting means using 80 and 8888 Ports) 3) Change the virtual host section To: Documentroot/var/www/html/website1ServerName www.website1.com Documentroot/var/www/html/website2ServerName ww
C # program configuration file, the most used is appsettings under the Requirements: The program Super Administrator in this way, configured in App. config, you can configure multiple. After successful login, read config to see if I am super admin.(Of course, the demand is very lame, because I'm trying to give an example, I made it up, whoa, ha) 1. Download configurationsectiondesigner_2.0.1.7.vsix, install; 2. Re-open vs, new test engineering Windo
Today, I'm going to hand over the time machine backup to the NAS, which was placed on an external hard drive, albeit faster than the NAS, but it's a bit cumbersome to plug in and pull out. And the NAS also has the function of real-time online and timed shutdown. With time machine, maximum data backup can be achieved.In fact, this configuration note is one side of the writing, I do not know what will be stepping on the Thunder, so the
Today I'm going to hand over the time machine backup to the NAS, once on an external hard drive. Even faster than NAS. But every time I plug and unplug the external is a bit troublesome. And the NAS also has the function of real-time online and timed shutdown. With time machine, maximum data backup can be achieved.In fact, this configuration note is one side of the writing, I do not know I will step on what thunder. So the process of
the hint that Tomcat has been installed:Note: Each line in this should clearly show the value of each environment variable setting, if there is no value, only the double quotation mark "", is an error,In this case, although the Tomcat8w.exe can be turned on, clicking the Start button does not start the service (that is, you cannot switch to the state that the Stop button can press).You can also use CMD type services.msc call up service to see if there is Apache Tomcat8 (default is manual start,
(All CentOS system commands in this article are represented by Italic bold, so you can read it)Attention! I use LNMP script mode installation of Nginx 1.8.0 stable version, if it is downloaded from the official website version, nginx.conf configuration file a little different, but the skeleton is identical, do not delay reading.Cache SettingsNginx server caching capability is still worth certain, the server cache means that the Web cache is located be
Label:The phpMyAdmin configuration file config.inc.php content as follows, adding relevant comments where it needs to be set. Ideal for database administrators who are unfamiliar with database operations commands, here's how to install the tool:1. First to download onlinephpMyAdmin, and then extracted to the Web directory can be accessed (if it is virtual space, can be extracted via FTP and so upload to the web directory), of course, you can modify th
/software/programming/pcre/pcre-8.13.tar.gztar -zxvf pcre-8.13.tar.gzcd pcre-8.13.tar.gz./configuresudo makesudo make installThen install the nginx-1.0.11.tar.gz we just downloadedtar -zxvf nginx-1.0.11.tar.gzcd nginx-1.0.11./configuresudo makesudo make install3. Primary interpretation Nginx configuration fileIn accordance with the above operation, Nginx has been installed. Because we are using the default configure, it is installed in the /usr/local/
About the introduction of HTTPS online a lot, it is not verbose.Configuring HTTPS-enabled access requires an SSL module installed in Nginx. The second is to prepare the SSL certificate, the Nginx version of the certificate contains CRT files and key files, this SSL certificate is generally requested from the certification service provider. Assuming that the Nginx service is ready, you now need to increase the support for HTTPS access, just modify the Nginx virtual host
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