Log in to Github account, and then create a remote warehouse. Here we name it bird. After creation, copy its ssh URL for standby
The second step
Enter bird warehouse, selec ...
Posted on Sun, 16 Feb 2020 03:21:52 -0800 by theDog
Hadoop cluster installation
Server Hadoop 101
Server Hadoop 102
Server Hadoop 103
Posted on Sat, 15 Feb 2020 07:15:54 -0800 by patrickcurl
Today, a friend suddenly remembered to see if the server had been blasted by malicious ssh, but he didn't know if it did. There are still a lot of friends like us after checking on github.. A great God has written the plug-in, just use it directly.
Originally, I was going to turn off password acces ...
Posted on Sat, 15 Feb 2020 00:19:18 -0800 by katlis
1: Huawei firewall product introduction
2: How Firewalls Work
2.1 working mode of firewall
2.2 Huawei firewall security area division
2.3 firewall Inbound and Outbound
2.4 state information
2.5 security strategy
3: Equipment management mode
3.1 AAA (Authenticat ...
Posted on Mon, 10 Feb 2020 05:32:34 -0800 by coffejor
What is ansible?
Ansible is a new automated operation and maintenance tool. It is developed based on Python and combines the advantages of many operation and maintenance tools (puppet, cfengine, chef, func, fabric). It realizes the functions of batch system configuration, batch program deployment, batch running commands and so on.Ansible is m ...
Posted on Sun, 09 Feb 2020 09:49:02 -0800 by like_php
Contents of this chapter:inventory host list2. yml grammar3. playbook Details + Operations
inventory host list
ansible The default host list is/etc/ansible/hosts file
//Host lists can be set manually or generated dynamically through Dynamic Inventory
//Use FQDN for generic hostname
[webserver] #Square bracket set ...
Posted on Sun, 09 Feb 2020 09:28:59 -0800 by cybercrypt13
In this program, the package files in the development program server are uploaded to the formal production environment through this script (Note: the production environment and development environment are not interconnected)
Basic idea of procedure:
Copy the package in the development environment to t ...
Posted on Sun, 09 Feb 2020 07:57:30 -0800 by bombas79
It's a very practical tool.
First, you need to set up ssh password free communication between machines.
There are three documents
The three files are all in / home/hadoop/tools Directory;
The first column of the deploy.conf configuration file is the host name of the ser ...
Posted on Mon, 03 Feb 2020 08:00:43 -0800 by jd023
In the previous article, we talked about the basic understanding and installation of ODL. In this article, we mainly talked about the internal use of ODL. The ODL controller is MD-SAL mechanism, and MD represents the service driven by model. This model is simply Yang model. As early as 2003, IETF est ...
Posted on Sun, 02 Feb 2020 05:27:29 -0800 by ReeceSayer
1. Source document
To facilitate my own use, I completed the code, which consists of two parts:
Source file: CPU_usage.py
Execution file: CPU? Usage.sh
(1) CPU_usage.py code
# -*- coding:utf-8 -*-
from multiprocessing import cpu_count
import os, time
Posted on Fri, 31 Jan 2020 07:23:18 -0800 by pradeepss