GlusterFS quick install

Preparation before installation At least three machines are needed here. All machines turn off the firewall and Selinux. All machines need two hard disks, systemctl stop firewalld systemctl disable firewalld setenforce 0 sed -i "s#SELINUX=enforcing#SELINUX=disabled#g" /etc/selinux/config In fact, ...

Posted on Wed, 19 Feb 2020 01:29:45 -0800 by ojeffery

Event handling of servicemanager

stay Start process of servicemanager In, you can see that servicemanager will enter the binder_loop() to start processing events after all preparations are ready. This note focuses on how to handle these core events. Command resolution: bind_parse() First of all, the command should be parsed and diffe ...

Posted on Sun, 16 Feb 2020 03:26:51 -0800 by m5638829

Big data infrastructure

Big data - basic environment construction (1) server setting This paper uses three Linux servers as a unified environment. IP settings for three machines Modify the ip address of three services vi /etc/sysconfig/network-scripts/ifcfg-ens33 BOOTPROTO="static" IPADDR=192.168.52.100 NETMASK=255.255 ...

Posted on Sun, 09 Feb 2020 23:35:47 -0800 by drisate

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

Quanzhi A64 modify uboot environment variable and kernel debugging level

Startup information output through uboot: --------fastboot partitions-------- -total partitions:15- -name- -start- -size- bootloader : 1000000 2000000 env : 3000000 1000000 boot : 4000000 2000000 system : 6000000 80000000 verity_block: 8600000 ...

Posted on Wed, 01 Jan 2020 10:16:39 -0800 by phpn00bf4life

Nginx + Kodex Explorer

Nginx + Kodex Explorer Install nginx yum install yum-utils To set up the yum repository, create the file named /etc/yum.repos.d/nginx.repo with the following contents: [nginx-stable] name=nginx stable repo baseurl=http://nginx.org/packages/centos/$releasever/$basearch/ gpgcheck=1 enabled=1 gpgkey=https://nginx.org/keys/nginx_signing.key [nginx ...

Posted on Mon, 02 Dec 2019 12:18:27 -0800 by Jamez

k8s 1.13 kubeadm deployment (with dashboard) and modify the default certificate period

Explain: This k8s installation is version 1.13.0, and the default certificate period is modified by recompilation during the installation process, and finally the dashboard is deployed Before installation, make sure that k8s, docker and etcd that have not been installed or installed before have been uninstalled yum -y remove kubernetes*  docke ...

Posted on Sun, 01 Dec 2019 23:26:48 -0800 by mariom

shell concepts and programming specifications

shell programming specification 1. Preface This paper will explain the programming specifications and variables of the shell and carry out an example verification, which is suitable for beginners to learn the shell basis.In the process of learning, we need to do it by ourselves, practice several times, experience its meaning while doing it, an ...

Posted on Tue, 26 Nov 2019 09:52:52 -0800 by Swardh

Building process of IaaS platform

Basic configuration: controller: 1.Modify host name: hostnamectl set-hostname controller 2.Turn off the firewall and set power on not to start: systemctl stop firewalld systemctl disable firewalld 3.modify hosts Document: 192.168.214.10 controller 193.168.214.20 compute ...

Posted on Thu, 21 Nov 2019 10:53:35 -0800 by titeroy

Network time service and chlony

Contact time service and chlony Experiment exercise: Prepare the experimental environment: CentOS 6 and 7 systems available. centos6 :192.168.37.6 centos7 :192.168.37.7 Turn off selinux Turn off the firewall: cetos6 systemctl disable firewalld centos7 chkconfig iptables off Time synchronization (ce ...

Posted on Mon, 11 Nov 2019 20:41:17 -0800 by gusaps