Package Management of CentOS System: yum

Package Management of CentOS System: yum Introduction to yum yum client /etc/yum.conf Warehouse Pointing Definition View the local yum source Usage of the yum command Command command options Display warehouse list Display package Installation package Upgrade package Check available upgrades Unloadi ...

Posted by Walle on Sun, 28 Jul 2019 00:25:14 -0700

Docker Beginner Practice

Collect all the information on the Internet, organize some steps, personal records, memorandums! Install Docker centos7 installs docker Refer to https://www.runoob.com/docker/centos-docker-install.html and follow these steps for installation Remove the old version yum remove docker \ docker-cl ...

Posted by iacataca on Sat, 27 Jul 2019 03:00:51 -0700

Construction of k8s_v1.15.0_HA Cluster Foundation Environment

The first time I wrote a blog in Yunlu community, I took the process of building Kubernetes high-availability cluster infrastructure to try. Haha.First, the configuration is briefly introduced: proxy uses ipvs, network uses calico, stacked etcd cluster, and apiserver uses haproxy+keepalived for load balancing My github link https://github.com/J ...

Posted by Jarl on Wed, 24 Jul 2019 23:40:26 -0700

Introduction of SSH and ansible deployment methods and core modules

SSH and ansible deployment methods Deployment environment Management server 172.16.1.61 NFS Server 172.16.1.31 Backup server 172.16.1.41   1 Check whether the SSH service is running and start the service Netstat-lntup | grep SSH Check whether the current service is running / etc/init.d/sshd status Start SSH Service 2. DSA key authentic ...

Posted by curt3006 on Wed, 24 Jul 2019 22:41:43 -0700

Docker Learning Notes: Installation and Basic Usage

I. Installation 1.1 Install docker-ce on centos7 Check system and kernel version [root@myhost img1]# cat /etc/redhat-release CentOS Linux release 7.3.1611 (Core) [root@myhost img1]# uname -r #Kernel version must be above 3.10, centos7 just meets. 3.10.0-514.21.1.el7.x86_64 Execute the following commands in turn #Adding Pac ...

Posted by steelerman99 on Tue, 23 Jul 2019 19:50:23 -0700

RHCS (High Availability Cluster Building and Graphical Management on Enterprise 6)

1. Encapsulation and snapshot creation of RHEL 6.5 ## Since the specific encapsulation steps are consistent with those of RHEL version 7.5, the repetitive contents are not redundant, but the different operations are simply explained. (1) configure ip, gateway, DNS, host name and local resolution (2) T ...

Posted by Drakkie on Mon, 22 Jul 2019 03:48:18 -0700

Install MySQL 5.7 in centos7 yum mode on Cloud Server

MariaDB is installed by default in CentOS, which is a branch of MySQL, but MySQL should be installed in the system for the sake of need, and MariaDB can be overwritten directly after installation. 1 Download and install MySQL's official Yum Repository [root@localhost ~]# wget -i -c http://dev.mysql ...

Posted by zuperxtreme on Sun, 21 Jul 2019 23:46:00 -0700

Installation of Kubernetes 1.15 full version under centos7

Introduction to Kubernetes Kubernetes (K8S) is an open source container cluster management system, which can realize the functions of automatic deployment, automatic expansion and maintenance of container cluster. It is not only a container layout tool, but also a new distributed architecture leading sc ...

Posted by mdkelly_komex on Sun, 21 Jul 2019 04:34:35 -0700

Introduction to Python Crawler [2]: Site Crawling for Mei Zitu

Meizi Tu Website Crawling-Preface Starting today, I'm going to roll up my sleeves and write Python crawlers directly. The best way to learn a language is to do it purposefully. So, next I'll use 10 + blogs to write about crawling pictures. I hope I can do it well. In order to write a good crawler, we ...

Posted by pmcconaghy on Sat, 20 Jul 2019 07:29:07 -0700

Software package installation and uninstallation

Package Installation and Unloading 1. Three ways to install software packages 2. rpm package introduction 3. Use of RPM tools 4. Usage of Yum tools 5. yum Builds Local Warehouse 6. yum Replacement of Domestic Sources 7. Install the extended source epel 8. yum downloads rpm packages 9. yum's new instr ...

Posted by ramjai on Thu, 18 Jul 2019 22:35:40 -0700