Configuration of static Ip under centOS7.

Configuration of NAT static network card under centOS7 Recently, large data was built under cenOS7 and the need for centOS7 to configure static IPS was found.This post is about how to configure centOS7's static ip in a VM virtual machine.If there are any deficiencies, we also hope that like-minded people can correct and communicate, and make p ...

Posted on Sat, 27 Jun 2020 19:53:04 -0400 by mikeduke

Docker entry basic command

Article catalog 1, Overview 1. What is Docker 2. Differences between container technology and virtual machine technology 3. Advantages of docker 4. Docker architecture 2, Install Docker 1. When the server has network 2. Configure Alibaba cloud image acceleration 3. When the server has no network ...

Posted on Thu, 25 Jun 2020 01:24:49 -0400 by zipadee

Centos7 logical volume management (LVM)

1, LVM concept 1. A physical device is a storage device used to retain data stored in a logical volume. They are block devices that can be disk partitions, entire disks, RAID arrays, or SAN disks. Devices must be initialized as LVM physical volumes to work with LVM. The entire device will be used as ...

Posted on Wed, 17 Jun 2020 21:17:06 -0400 by fmpros

Create a yum warehouse and logical disk partition

1. Build your own yum warehouse, which is network source and local source respectively.Network Source:1. First create a yum warehouse: [centos@localhost ~]$ yum install createrepo 2. Disable the original yum network source. [root@localhost yum.repos.d]# mv CentOS-Base.repo CentOS-Base.repo.bak 3. Edit CentOS-Base.repo [base] name=Base Repo on ...

Posted on Tue, 16 Jun 2020 18:20:31 -0400 by joshberm

MHA high availability environment construction

Last article( https://blog.csdn.net/aofavx/article/details/106783795 )Mysql master-slave mode deployment process has been completed. Now use MHA to achieve high availability of database. Reference website: https://www.cnblogs.com/keerya/p/7883766.html 1. Software version and environment: System: CentO ...

Posted on Tue, 16 Jun 2020 00:35:54 -0400 by madox

kubernetes entry to combat Pod health check mechanism

1. Health examination 1.1 overview of health examination In the process of application running, errors are inevitable, such as program exceptions, software exceptions, hardware failures, network failures, etc. kubernetes provides Health Check mechanism, which automatically restarts the container when application exceptions are found, and remo ...

Posted on Fri, 12 Jun 2020 03:25:48 -0400 by nenena

nginx installation and deployment

nginx installation 1. Pre install sudo Yum install Yum utils2. Create a / etc in the root directory of the server/ yum.repos .d/ nginx.repo File, edit as follows: [nginx-stable] name=nginx stable repo baseurl=http://nginx.org/packages/centos/$releasever/$basearch/ gpgcheck=1 enabled=1 gpgkey=https://nginx.org/keys/nginx_sign ...

Posted on Sun, 07 Jun 2020 23:47:24 -0400 by NoReason

ES cluster version 7.3.2 online expansion Data node

background After analyzing the role of elastic search, it is found that direct expansion of Data nodes is the simplest and can meet the demand.Note: the original ES cluster 3 node dim role is enabled by default. Original node information [root@188_33_centos ~]# curl 192.168.188.33:9200/_cat/nodes 192.168.188.33 51 98 3 0.23 0.20 0.17 dim - es- ...

Posted on Fri, 05 Jun 2020 04:46:44 -0400 by despyz

Building tesseract5 environment and mirroring based on centos7.3 in docker

Since you need to install tesseract offline, you think of deploying tesseract as a docker image.Container-based mirroring using docker commit. The general idea is to pull a basic centos image first, then boot it and enter the container to install tesseract before commit is mirrored.Then mirror save as a tar package.This allows offline installa ...

Posted on Wed, 03 Jun 2020 21:15:29 -0400 by leeue

12. kubernetes Cluster Setup

Virtual Machine: CentOS Linux release 7.3.1611 (Core) 3.10.0-514.el7.x86_64 1 Core 1G docker1.13 Reference documents: https://kubernetes.io/docs/getting-started-guides/centos/centos_manual_config/ IP: 192.168.101.201 master IP: 192.168.101.202 node Architecture and role of kube components: I. Preparatory phase Edit hosts fil ...

Posted on Wed, 03 Jun 2020 12:13:47 -0400 by AaZmaN