Programmer Group

I. KVM overview KVM is the abbreviation of Kernel Virtual Machine. At present, Linux distribution must run KVM in 64 bit system environment, and the hardware needs to support VT technology. 1. Case pre knowledge points KVM has been directly integrated into Linux kernel since Linux version 2.6.20. It relies on CPU virtualization instruction set ...

After learning Groovy's core grammar, I'll move on to Gradle. Gradle is a system building tool whose DSL is based on Groovy. Most of its functionality is achieved through plug-ins. If built-in plug-ins do not meet your needs, you can customize your own plug-ins. Gradle Getting Started and Exploring Life Cycles We can Reference Documents Get sta ...

  1) environmental description   1. A total of 7 hosts are required, and their roles are as follows: A. 192.168.36.6(OS6): test B. 192.168.36.7(OS7): localdns C. 192.168.36.17(OS7): rootdns D. 192.168.36.27(OS7): comdns E. 192.168.36.37(OS7): master F. 192.168.36.47(OS7): slave G. 192.168.36.57(OS7): www 2. ...

Preface When learning a language, it's hard to avoid learning from the simplest program structure. When mastering another development language (such as the famous java), these things will look like a fish in water. I'll share some simple examples below. Basic program structure Quickly assign values to some variables const ( NUM1 = 1 + iota ...

Nginx web page optimization (2) Change Number of Nginx Running Processes In high concurrency scenarios, more Nginx processes need to be started to ensure fast response to handle user requests and avoid blocking You can use the ps aux command to see the number of Nginx running processes Change the configuration method for the number of proces ...

Docker Compose is a docker tool used to define and run complex applications Using Docker Compose eliminates the need for shell scripts to start containers. (configured through docker-compose.yml) Installation of Docker Compose Github source sudo curl -L https://github.com/docker/compose/releases/download/1.22.0/docker-compose-`uname -s`-`uname ...

Installation and Configuration of Nginx 0 Installation Slightly, download it on the official website.Note that Nginx is written in C and is not cross-platform. Different operating systems need to download different Nginx. Nginx Basic Commands under 1 Windows start-up start nginx Close ./nginx -s quit ./nginx -s stop see information ./nginx -V ...

Preface: We've seen a lot of articles analyzing the use or principles of Redis, but the introduction to a complete set of independent redis cluster environments is not much or not detailed enough. Then, this paper will take you hand to set up a Redis cluster environment, Redis cluster in the company's internal production environment, mostly bu ...

1.yum installation yum install epel-release yum install -y supervisor 2. Configuration fileAfter the supervisor is installed successfully, no default configuration file is provided. You can generate the initialization configuration file of the supervisor by running the echo supervisor conf program mkdir /etc/supervisor echo_supervisord_conf &g ...

CentOS 6.5 install Redis3.0 1. Install C compilation environment First, you need to install the C environment for compiling Redis, and execute the following commands at the command line: [root@itzhouq32 tools] yum install gcc-c++ 2. Upload redis3.0 to Linux 3. Unzip redis. I unzip it to / usr/local [root@itzhouq32 tools]# tar -xvf redis-3.0.0.t ...