Deployment of keepalivedkeepalived is used in many highly available clusters. Generally, nginx, ipvs and haproxy are placed in the front end
For example, when we use rabbitmq, we make such a cluster. If we make a cluster generally, we need such a highly available load balancer to distribute traffic. If we use haproxy, For example, if a rebbitm ...
Posted on Thu, 27 Feb 2020 06:20:27 -0500 by kind
Install virtual machine and docker package
1, Download and install VirtualBox
Download VirtualBox on the official website
I won't talk about the installation, just go to next.
2, Configure and install virtual machines
First, run the VirtulBox program. After opening the program, the first thing i ...
Posted on Wed, 26 Feb 2020 07:22:29 -0500 by Erkilite
Harbor is deployed as multiple Docker containers, so it can be deployed on any Linux distribution that supports Docker.The target host needs to have Python, Docker, and Docker Compose installed.
Minimum 2 CPU s
Preferred 4 CPU s
Posted on Tue, 25 Feb 2020 11:18:19 -0500 by ranbla
Filebeat is a log file shipment tool that monitors the log directory or specified log files, tracks them for reading, and forwards the information to either elasticsearch or logstarsh when the client is installed on your server.
Beats is a lightweigh ...
Posted on Mon, 24 Feb 2020 21:20:51 -0500 by vonnero
Installation of bochs
First, enter the command to install the dependencies of several bochssudo yum install gccsudo yum install gtk2 gtk2-develsudo yum install libXt libXt-develsudo yum install libXpm libXpm-devel
Then execute su root to enter the password to enter the root administrator identity
Posted on Sun, 23 Feb 2020 06:00:31 -0500 by eightFX
2, Configure the second tier server as lnmp environment
Test lnmp environment
In the previous article, two active and standby mode hosts are deployed to form the first layer of load bal ...
Posted on Sat, 22 Feb 2020 07:53:54 -0500 by .-INSANE-.
Building Web cluster with Haproxy
1: Common Web Cluster scheduler
The Web Cluster scheduler is divided into software and hardware. The software usually uses open-source LVS, Haproxy and Nginx; the hardware generally uses more F5.
2: Application analysis of Haproxy
Haproxy is a software that can ...
Posted on Thu, 20 Feb 2020 06:50:44 -0500 by broheem
PrefaceWe are familiar with the bastion machine (springboard machine). In order to ensure the security of the server, we add a bastion machine. All ssh connections are completed through the bastion machine. The bastion machine also needs to have identity authentication, authorization, access control, audit and other functions.Jumpserver is the ...
Posted on Thu, 20 Feb 2020 06:26:06 -0500 by brain
1. ls command
View the visible files, folders and their related permissions in the current directory
Common parameters: - l list view
-al view all, including hidden files and folders
[root@qinshengfei bin]# ls --color in color
[root@qinshengfei bin]# ls -l detail list catalog file
[root@qinshengfei bin]# ls -a shows all files, inc ...
Posted on Thu, 20 Feb 2020 04:37:18 -0500 by tomm098
1: OpenStack overview
1.2: Why build OpenStack local yum source?
2: Local yum source building practice
2.3: purpose of the experiment
2.4: experiment process
2.4.1: local source configuration
2.4.2: client configuration
Posted on Wed, 19 Feb 2020 23:59:12 -0500 by nevesgodnroc