rabbitmq cluster deployment

0x00 introduction to rabbimq RabbiMQ is developed with Erlang, which is very convenient for clustering. Erlang is a distributed language by nature, but it does not support load balancing. RabbiMQ mode RabbitMQ mode can be roughly divided into the following three types: (1) the first mock exam. (2) Normal mode (the default cluster mode). (3) Mi ...

Posted by Salis on Tue, 07 Apr 2020 08:32:02 -0700

Configuration method of ssh password free login

Configuration method of ssh password free login Target: user usera on server ServerA and user userb on server ServerB without password Steps: 1, Log in to the ServerA server using usera first [root@serverA ~]# su - usera [usera@serverA ~]$ pwd /home/usera 2, Generate key pair on serverA [usera@serve ...

Posted by lhaynes on Sat, 04 Apr 2020 10:05:36 -0700

cloudformation exercise - create EC2

This is the first novice practice of Cloudformation. Simply record the process. This exercise is to get familiar with the basic process Cloudformation is a very important service of AWS. In short, its function is to realize infrastructure as code. The administrator can generate the corresponding stack by creating the template file and executin ...

Posted by everogrin on Fri, 03 Apr 2020 16:21:38 -0700

[CentOS] SSH keyless login

Environmental description: Operating system: centos-7-x86_-minimal-1611 Virtual machine: VMware ® Workstation 12 Pro; 12.5.5 build-5234757 Server: node1 (User1), node2 (User2) Implementation content: The user User1 of node1 server can log into the User2 account of node2 through SSH without key; Configuration process: By default, us ...

Posted by ReignFire on Thu, 02 Apr 2020 10:39:07 -0700

Knowledge point 031 - batch installation of. xsh files by using WIN version of python

1. Baidu goes to python's official website, downloads the software selected in the figure above, creates a new folder xshell in the local disk D of the computer, enters the xshell folder, creates a new IP.txt file, and inputs 6 servers you want to log in to 10.0.84.151 10.0.3.127 10.0.3.128 10.0.3.129 10.0.3.130 10.0.3.131 2. Open xshell, c ...

Posted by rhosk on Thu, 02 Apr 2020 02:04:28 -0700

Automatic deployment tool syncd

1, Deployment installation (1) Common installation methods 1.  curl https://syncd.cc/install.sh | bash 2. dockerfile installation mode is under test (2) Installation references 1.https://syncd.cc/docs/#/install 2.https: //github.com/dreamans/syncd  3.https: //gitee.com/dreamans/syncd 2, Specification for use (I) service address 1. ...

Posted by Psycho on Wed, 01 Apr 2020 19:49:38 -0700

Analysis of Python 3. X: paramiko module

First, the first application of this module SSH client Here is a simple code to understand import paramiko # Instantiate an ssh client object ssh = paramiko.SSHClient() # Automatically add the machine you want to connect to in know_host, ignore this verification, and pay attention to the passed parameter paramiko.AutoAddPolicy() ...

Posted by huszi001 on Tue, 31 Mar 2020 22:12:49 -0700

zstack version upgrade

Summary Today, I saw the installation image of zstack on the official website, and found that it was released on March 24, 2018. Because the local environment is a test environment, and I haven't tried to upgrade zstack, I plan to upgrade zstack Things to know before upgrading First of all, zstack supports two upgrade methods on the official w ...

Posted by onlyican on Tue, 31 Mar 2020 18:00:03 -0700

Git version control details

GitHub operation process: 1. Create a new code base $ git init $ git clone [url] 2. Create branch Administrator@UMMMZHE4GX4KT68 MINGW64 ~/Desktop/pythoncode/4.20/my.github.io (master) $ git checkout -b xxz Switched to a new branch 'xxz' 3. View status Administrator@UMMMZHE4GX4KT68 MINGW64 ~/Desktop/pythoncode/4.20/ ...

Posted by sader on Tue, 31 Mar 2020 03:51:02 -0700

Spring cloud series configuration center (Config) instructions

Hello, everyone. Recently, the company's new project is developed with spincloud family bucket. Originally, spring cloud was only at the primary level of understanding. This time, with the opportunity of the new project, we can deeply practice spring cloud, even Happy. When I graduated from University, I had the idea of writing technical articl ...

Posted by goodtimeassured on Sun, 22 Mar 2020 05:44:22 -0700