Ansible-Installation Configuration

Host Planning Host Name Operating System Version Intranet IP External Network IP (Analog) Install software ansi-manager CentOS7.5 172.16.1.180 10.0.0.180 ansible ansi-haproxy01 CentOS7.5 172.16.1.181 10.0.0.181   ansi-haproxy02 CentOS7.5 172.16.1.182 10.0.0.182   ansi-web01 CentOS7.5 172.16.1.183 10.0.0.183   ansi-web02 CentOS7.5 1 ...

Posted on Sun, 08 Mar 2020 09:26:07 -0700 by meandrew

How to install MYSQL of the community version of blue whale smart cloud v3.1.7?

How to install MYSQL of the community version of blue whale smart cloud v3.1.7? Install "blue whale smart cloud" Community Edition - record - install MYSQL of blue whale smart cloud Q. Prerequisite knowledge: Experimental machine: centos7 bkce_src-3.1.7.tgz community version In "Haoding king 5: operation ...

Posted on Wed, 01 Jan 2020 14:35:42 -0800 by golles

keepalived+haproxy high availability

Environmental Science: Main Haproxy server 192.168.80.100 kept + Haproxy Standby Haproxy server 192.168.80.101 maintained + Haproxy web server 1 192.168.80.102 httpd (nginx, tomcat) web server 2 192.168.80.103 httpd 80.100 and 80.101 require networking -------------------—On the 80.100 virtual machine: systemctl stop firewalld //Turn ...

Posted on Wed, 04 Dec 2019 17:00:42 -0800 by alba

A solution to limit the CPU utilization of process

One background In a recent project, you need to limit CPU usage. By looking up various materials, we found that there is a software that can be used directly. This software is cpulimit, which is very simple to use. However, in combination with the actual use scenario, the restricted process cannot run in the background. Once running in the ba ...

Posted on Wed, 04 Dec 2019 16:18:32 -0800 by CKPD

004. Use of CEPH block equipment foundation

I. Basic preparation Refer to the document 002.Ceph installation and deployment to deploy a basic cluster; Add a new node host name and IP in the deploy node to add resolution: 1 [root@deploy ~]# echo "172.24.8.75 cephclient" >>/etc/hosts Configure domestic yum source: 1 [root@cephclient ~]# yum -y update 2 [ ...

Posted on Sat, 30 Nov 2019 11:58:24 -0800 by verN

Record a Centos7 Building Puppet Cluster

I. Basic Information Description Official website: https://puppet.com/ epel source download address: https://fedoraproject.org/wiki/EPEL/zh-cn Installation package download address: http://downloads.puppetlabs.com/puppet/ GitHub: https://gith ...

Posted on Tue, 17 Sep 2019 20:10:24 -0700 by Matt Kindig

linux Text Processing sed, Package Management, Disk Storage and File System

1. Base name and document name [root@centos7 scripts38]#echo /etc/sysconfig/network-scripts/ |sed -r 's@(^/.*/)([^/]+)/?$@\1@' /etc/sysconfig/ [root@centos7 scripts38]#echo /etc/sysconfig/network-scripts/ |sed -r 's@(^/.*/)([^/]+)/?$@\2@' network-scripts 2. Modify the network to eth0 [root@centos7 scripts38]#sed -ri '/^[[:space:]]+linux16/s@( ...

Posted on Sat, 10 Aug 2019 01:13:39 -0700 by s_bastian

Linux Implements Uploading Files to Baidu Disk

1. Tools to be installed: (1) python-pip annotation: pip is a Python package management tool, which provides the functions of finding, downloading, installing and uninstalling Python packages. (2) requests Note: requests are written in python language based on urllib, using Apache 2 Licensed open sour ...

Posted on Sat, 03 Aug 2019 01:55:12 -0700 by tc61380

Building yum warehouse

1.1 IntroductionThe full name of YUM is Yellow Dog Updater Modified.YUM is mainly used to automatically install and upgrade rpm packages. It can automatically find and solve the dependencies between rpm packages. To successfully install and update software or systems using YUM tools, you need a repository (software repository) containing variou ...

Posted on Wed, 26 Jun 2019 14:24:42 -0700 by luckybob

hadoop cluster monitoring tool-ganglia (YUM approach)

Introduction to Ganglia Architecture: Ganglia is a scalable distributed monitoring system designed for HPC (High Performance Computing) cluster. It can monitor and display various status information of nodes in the cluster. It collects CPU, memory, disk utilization, I/O load, network traffic and other data from the daemon gmond running on ea ...

Posted on Sat, 08 Jun 2019 11:31:06 -0700 by Norman Graham