corosync v1 + pacemaker high availability cluster deployment

corosync v1 + pacemaker Corosync: an open cluster engine project derived from the development of OpenAIS to Wilson, which provides heartbeat message detection and member management. Pacemaker: cluster explorer. It uses the message and member management capabilities provided by the cluster infrastructure (OpenAIS, heartbeat or corosync) to dete ...

Posted by ryanpaul on Tue, 26 May 2020 22:53:30 -0700

LXC WEB management tool of container technology LXC WEB Panel

In the previous blog post, I mainly talked about the simple management of lxc container on Linux. For a review, please refer to https://www.cnblogs.com/qiuhom-1874/p/12901493.html Today we will introduce lxc's image management tool, LXC WEB Panel; Project download address: https://github.com/lxc-webpanel/LXC-Web-Panel.git; 1. Install Python fl ...

Posted by ki on Sat, 16 May 2020 22:56:33 -0700

lsyncd installation and configuration under CentOS 6.9 (take local synchronization as an example)

rsync+lsyncd to realize real-time file synchronization yum -y install rsyncd (both the synchronized end and the synchronized end need to be installed) 1. Provide lsyncd installation source rpm -ivh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm 1 2 2. Dependency of installing lsyncd from yum yum -y install ...

Posted by Loriq on Sun, 10 May 2020 09:07:57 -0700

< EOF in linux

1,EOF  In Shell, EOF is usually used in combination with < to indicate that the subsequent input is used as the input of subcommand or subshell, until EOF is encountered, and then returned to the calling Shell. EOF can be replaced by something else, meaning that content is passed to the program as standard input. Review the use of <. W ...

Posted by brij_theinvader on Sun, 03 May 2020 04:57:15 -0700

Batch deployment of apache based on Saltstack

What is SaltStack SaltStack management tool allows administrators to create a consistent management system for multiple operating systems Preparation of experimental environment Name role address centos7-min master 192.168.142.172 centos7-min2 client 192.168.142.110 Experimental steps ...

Posted by Adastra on Sun, 02 Feb 2020 07:32:55 -0800

Version control gitlab

Version control gitlab Version control definition: It refers to the management of changes of various program codes, configuration files, instruction documents and other files in the process of software development Version control function 1. Tracking document changes 2. Parallel development 3. Effectively solve the ...

Posted by kratsg on Sat, 04 Jan 2020 23:50:41 -0800

Ansible playbook batch management cluster basic configuration

Ansiable bulk configuration management through playbook playbook is composed of one or more modules. It uses many different modules to accomplish one thing. Install a service, configure, and start. 1. Find someone to shoot. 2. General tasks. 3. How to do it. Install httpd Service - > Playbook 1. i ...

Posted by ramrod737 on Thu, 02 Jan 2020 04:35:26 -0800

centos7 yum install testeract PIP install python3 testeracr

centos7 system yum installs testeract, and pip installs testserocr of python3 September 4, 2018 00:00:27 reading: 15 label: centos7python3tesserocr More Personal classification: python Copyright notice: This is the original article of the blogger. It can't be reproduced without the permission of the blogger. https://blog.csdn.net/zyy24779614 ...

Posted by makoy on Wed, 01 Jan 2020 03:29:51 -0800

Linux-13-Inotify+Rsync real time data synchronization

Check before configuration 1. First, make sure that Rsync has been configured and the client can push files to the server [test@C64-6-B ~]$ rsync -avzP ./syncdir rsync_backup@2.2.2.5::syner --password-file=/etc/rsync.password sending incremental file list syncdir/ sent 52 bytes received 12 bytes 42.67 bytes/sec total size ...

Posted by Ralf Jones on Wed, 25 Dec 2019 12:18:46 -0800

yum replace source and download rpm package and Linux software source package for installation

Replace yum warehouse source cp -r /etc/yum.repos.d/ /etc/yum.repos.d.bak 񖓿 configuration of warehouse source of backup system rm -f /etc/yum.repos.d / * ා delete all warehouse source configurations cd /etc/yum.repos.d / ා enter the warehouse source directory wget http://mirrors.163.com/.help/CentOS7-Base-163.repo(wget installation: yum insta ...

Posted by JayVee on Tue, 17 Dec 2019 08:43:35 -0800