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

Ansible automatic operation and maintenance learning 5: detailed explanation and optimization of ansible configuration file

1, Details of common parametersThis paper is about https://blog.51cto.com/8355320/2471354 The parameter configuration of is extended.The default configuration file of ansible is / etc/ansible/ansible.cfg. Parameters of ansible can be adjusted in the configuration file, including concurrent thread, user, module path, configuration optimization, ...

Posted by hopelessX on Fri, 20 Mar 2020 04:29:59 -0700

Single-machine version Hadoop hdfs installation setup record

**System Configuration** ** Specification: ** 1vCPUs | 2GB | s6.medium.2 ** Mirror: ** Ubuntu 18.04 server 64bit **User: ** Create a halo user on Ubuntu Preparatory software: 1 Hadoop installation package (recommended cdh, cloudera site) 2 Java 1.8 +3 ssh 1. Install Java Download the Linux version of JDK jdk-8u161-linux-x64.tar.gz first Un ...

Posted by cbn_noodles on Wed, 18 Mar 2020 19:38:36 -0700

Ansible-Secret Login and Host List Inventory

Ansible's specified user and password login, secret-free login, specified ssh port, and host list Inventory configuration It is not necessary to modify the ansible configuration in practice, or it is only necessary to modify the ansible configuration. Add user account Explain: 1. Login accounts used by operations and maintenance personnel; 2 ...

Posted by artist-ink on Sun, 15 Mar 2020 09:06:45 -0700

Security settings when building a cluster on Baidu cloud server

After moving the hadoop cluster on the local virtual machine to Baidu cloud server, I found that there are always many unknown ip addresses logging in to my server, because the firewall is closed locally, but in the actual deployment, this is too unsafe. So I spent two hours setting up the firewall of t ...

Posted by wonderman on Sun, 15 Mar 2020 02:23:32 -0700

hexo, the most complete personal blog in history

Preface Domain name from 2020 to the end of February mflyyou.cn After a three-year renewal, it only expires in 2024-4, so Google decided to build a personal website. Google changed one of its favorite themes, hexo matery modified, and then changed its content. Please observe the specific effect of Blog Zhang Panqin's blog Outline of this artic ...

Posted by aximbigfan on Sat, 07 Mar 2020 00:55:29 -0800

hexo deploy blog to Alibaba cloud server

Because of the epidemic, Alibaba cloud has sent half a year's servers free of charge, and they can't be used for playing. Then I will first migrate my blog from github to Alibaba cloud, and then change it if there is a problem. Previous conditions: 1. Server 2. hexo has been installed on the local com ...

Posted by zimick on Fri, 06 Mar 2020 02:42:24 -0800

Build PHP family album management program on raspberry pie

There are too many photos at home. I found a lot of software, which can't achieve the desired effect of viewing pictures. Now I share a PHP family album program built on raspberry pie, which can be viewed by folders, calendars, keywords, and full screen slide show. I believe that many students are the s ...

Posted by cobalt30 on Sat, 29 Feb 2020 20:55:40 -0800

Use RSA private key to generate public key?

I really don't understand this: Basis: http : //www.madboa.com/geek/openssl/#key-rsa , you can generate a public key from the private key. openssl genrsa -out mykey.pem 1024 openssl rsa -in mykey.pem -pubout > mykey.pub My initial idea was that they were generated together. Does the RSA private key contain the sum? Or public key? ...

Posted by callmecheez on Mon, 24 Feb 2020 04:01:57 -0800