lsyncd-Real-time Synchronization (Mirror) daemon

E-mail: 1226032602@qq.com Official documents https://axkibe.github.io/lsyncd/ https://github.com/axkibe/lsyncd brief introduction Lsyncd uses file system event interfaces (inotify or fsevents) to monitor changes to local files and directories. Lsyncd organizes these events for a few seconds and then ...

Posted by stilgar on Tue, 01 Oct 2019 20:25:17 -0700

Kubernetes Series II: Architectural Design and Deployment of Kubernetes

1. Architectural design and environmental design 1.1. Architectural design Deploy Haproxy to provide Endpoint access entry for Kubernetes The Endpoint entry address is set to Virtual IP using Keepalived, and redundancy is achieved by deploying multiple nodes. Deploy highly available Kubernetes clusters using kubeadm, specifying Endpoint IP as ...

Posted by Darkmatter5 on Mon, 30 Sep 2019 16:32:14 -0700

unit7, linux ssh secure connection, change ssh configuration file, see ssh login situation

#################sshd services two computers can login without password ssh, which is a safer way. sshd connection: Host Connect Virtual Machine [kiosk@foundation71 ~]$ ssh root@172.25.254.100 -X root@172.25.254.100's password: Last login: Sun Aug 18 15:57:46 2019 [root@desktop ~]# ########## The f ...

Posted by tgh on Mon, 30 Sep 2019 12:55:48 -0700

centos7 (three nodes) to build ceph environment

1. Environmental preparation 1.1. Modify the host name 172.31.21.135 Execute hostname CTL set-hostname ceph1 172.31.21.185 Execute hostname CTL set-hostname ceph2 172.31.21.167 Execute hostname CTL set-hostname ceph3 1.2. Configuration of Aliyuan rm -f /etc/yum.repos.d/* wget -O /etc/yum.repos.d/Cent ...

Posted by Pig on Mon, 30 Sep 2019 09:29:30 -0700

How to SSH to Network Devices with Python

[ TOC ] 0. Preface Since the last article "How to telnet to network devices with python", we have simply demonstrated using the telnetlib library, but telnet is not recommended in real life. The SSH(Secure Shell) protocol is also part of the TCP/IP protocol family, with port number 22, which can be used as a method of remote manageme ...

Posted by sparrrow on Sat, 28 Sep 2019 06:13:23 -0700

Fully Distributed Cluster of Hadoop

Cluster environment: centOs6.8: hadoop102,hadoop103,hadoop104 JDK version: jdk1.8.0_144 hadoop version: Hadoop 2.7.2 First, prepare three clients (hadoop 102, Hadoop 103, Hadoop 104), close the firewall, and modify them to static ip and ip address mapping. Configuration cluster Writing Cluster Distribution Scripts Create a remote synchro ...

Posted by mcbeckel on Wed, 25 Sep 2019 04:17:21 -0700

Four deployment modes and basic operations of HBase

This paper mainly includes two parts. The first part mainly includes four installation methods of HBase, which are: (1) stand-alone mode, (2) pseudo-cluster mode, (3) using zookeeper which comes with HBase to build distributed cluster, and (4) using zookeeper which is installed independently to build distributed cluster. The second part shows t ...

Posted by simpli on Sat, 21 Sep 2019 07:50:49 -0700

PHP parking lot management system based on MVC mode, 448 source download

Hello, I am the founder of QuanWeiBi team, which is good at JAVA(SSM,SSH,SPRINGBOOT), PYTHON, PHP, C#, Android and other technologies. Today, we will analyze a parking lot management system. The design of the system is based on php+apache+mysql, using zendstudio and MySQL 5.1.2 as development tools, and using Photoshop CS6 technology to beauti ...

Posted by Knifee on Fri, 20 Sep 2019 19:49:49 -0700

Hadoop Series-Hadoop Development Environment Construction

I. Pre-conditions Hadoop runs on JDK and needs to be pre-installed. The installation steps are as follows: Installation of JDK under Linux Configuration of Secret-Free Login The communication between Hadoop components needs to be based on SSH. 2.1 Configuration Mapping Configure ip address and host name mapping: vim /etc/hosts # Increase at ...

Posted by wdallman on Mon, 16 Sep 2019 04:16:06 -0700

Rapid deployment of kubernetes cluster through RKE

RKE:Ranchar Kubernetes Engine https://github.com/rancher/rkeBecause RKE is written by golang, download the binary files of the corresponding system directly.Download address: https://github.com/rancher/rk... preparation in advance 1. Ubuntu 16.04.3 LTS version is recommended; if CentOS 7 is used, version 7.3 or more is recommended.2. The hostna ...

Posted by yame conoces on Sun, 15 Sep 2019 22:08:16 -0700