Redis 5 - new cluster installation mode - redis cli - Cluster Create

outline For the principle of cluster, please refer to Redis design and Implementation - working principle of cluster , I won't go into details here. I introduced how to use redis trib toolset to install cluster a long time ago How to build and use Redis cluster In the past two days, I read the official documents and found a new way of installa ...

Posted by Dillinger on Fri, 17 Jan 2020 03:15:30 -0800

On the soul of Docker

1. Operation of docker common commands docker pull image docker run creates a container based on a certain image -d. background operation --Name specifies the name of the container to create -p map the port of the container to the port of the host docker exec -it enters a container docker rmi de ...

Posted by rklapwijk on Fri, 17 Jan 2020 01:01:40 -0800

Discussion and recommendation on redis's security free configuration in docker compose

In an interesting discussion, let's take a look at the docker compose configuration script: version: '2' services: redis: image: 'redis:5.0.3-stretch' restart: always command: redis-server --requirepass redis environment: # ALLOW_EMPTY_PASSWORD is recommended only for development. - ALLOW_EMPTY_PASSWORD=yes ...

Posted by jassikundi on Thu, 16 Jan 2020 19:23:52 -0800

The use of VIM compiler and the basis of shell programming under Linux

Installation and use of VIM compiler vim editor installation In CentOS, execute: yum -y install vim Common mode h: Move one character left j: Move down one line k: Move up one line l: One character to the right PageDown (or Ctrl+F): next screen PageUp (or Ctrl+B): flip up one screen ...

Posted by gravedig2 on Tue, 14 Jan 2020 22:50:03 -0800

GPDB feature practice

date: 2020-01-11 15:51:39 Some time ago, my tutor asked me to know about the GreenPlum database. Later, I installed and used it for a while. It felt like it was no different from other databases, so it ended up. Now go over the features of GPDB and try to use them. In fact, I really need to understand t ...

Posted by vinoth on Tue, 14 Jan 2020 19:06:09 -0800

Jenkins installation of Linux system

1, background Why Jenkins? It's more convenient than writing your own scripts. You don't need to care about the corners. You just need to add core compiled scripts to save developers' attention and energy You can let the test or project manager who does not understand the relevant development gen ...

Posted by aalmos on Tue, 14 Jan 2020 02:34:50 -0800

docker local private repository, access controlled by certificate (centos8)

Article Directory 1. Private Warehouse Server 200 Create Certificate 2. Private warehouse server 200 uses certificates to create containers 3. Server 200 Local Test Upload and Download Mirrors IV. Client 210 Test Upload and Download Mirrors Server name IP Address Explain Server 200 192.168.1 ...

Posted by mecha_godzilla on Sun, 12 Jan 2020 19:22:10 -0800

saltstack efficient operation and maintenance

saltstack efficient operation and maintenance   salt introduction saltstack is an open source project created by thomas Hatch in 2011. It is designed to implement a fast remote execution system. Is salt powerful System administrators do a lot of repetitive operations, such as installing software, modifying configuration files, cr ...

Posted by digioz on Sat, 11 Jan 2020 00:33:32 -0800

linux Server Opens IPv6

On the premise of the implementation of IPv6 in the National Network Telecom Office, IPv6 address configuration is required for the server. The configuration process outlines Ha: #cat ipv6.sh #! /bin/bash Ipv6=$1 Ipv4=$(dig +short $(hostname)) #Used to get the corresponding network card and change it as needed Time=$(date  +%Y%m%d%H%M%S) [[ $ ...

Posted by newmember on Mon, 06 Jan 2020 20:44:17 -0800

[e220200101-1] Centos 7.x turns off firewall and SELinux

1, Preparations 1.1 server preparation Operating system: centos 7.x 1.2. Install the text editing tool nano # yum -y install nano 2, Turn off SELinux 2.1. View SELinux status 2.1.1. First method: view SELinux status # /usr/sbin/sestatus SELinux status:                 enabled SELinuxfs mount:                /sys/fs/selinux SELinux root director ...

Posted by rostros on Mon, 06 Jan 2020 01:12:22 -0800