Building of Hadoop distributed environment

This note is written by myself with reference to Lin Ziyu's teaching documents. Please refer to the database Laboratory of Xiamen University for details Personal built hadoop platform practical environment: Ubuntu 14.04 64 bit * 3, JDK1.8, Hadoop 2.6.5 (apache) 1, Hadoop preparation before instal ...

Posted by caspert_ghost on Sun, 21 Jun 2020 11:11:30 +0200

Common branch operations of Git

catalog Branch Management 1. Create and merge branches 1.2switch 2. conflict resolution 3. Branch management strategy 4. Branch strategy 5.Bug branch 6.Feature branch 7. Multi person cooperation 8. Push branch 9. Grab branch 10.Rebase Branch Management The branch is the parallel universe in sc ...

Posted by TecBrat on Sat, 20 Jun 2020 05:20:03 +0200

Attachment 023.Kubernetes_v1.18.3 high availability deployment architecture II

Attachment 024.Kubernetes_v1.18.3 high availability deployment architecture II Introduction to kubeadm kubeadm overview Refer to attachment 003.Kubeadm deployment Kubernetes. kubeadm function Refer to attachment 003.Kubeadm deployment Kubernetes. Description of the scheme Kubernetes version 1.18.3 is deployed by kubeadm; etcd adopts mixed mo ...

Posted by neroag on Tue, 16 Jun 2020 08:29:35 +0200

Docker Notes Installation &Operation&ssh

1. Installation 1) Install dependent packages sudo yum install -y yum-utils device-mapper-persistent-data lvm2  2) Set Ali Cloud Mirror Source sudo yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo  3) Install Docker-CE sudo yum install docker-ce 4) ...

Posted by blaster_master on Sat, 13 Jun 2020 04:27:21 +0200

Summary: encryption and security

Objectives of information security protection Confidentiality Integrity Usability Controllability Non repudiationSafety protection link Physical security: environment of various equipment / hosts and machine rooms System security: the operating system of a host or device Application Security: various ne ...

Posted by Tokunbo on Thu, 11 Jun 2020 08:14:01 +0200

Installation and basic configuration of Ubuntu Server in virtual machine

Installation and basic configuration of Ubuntu Server in virtual machine Install Ubuntu Server 16 The virtual machine uses VMware workstation. Create a new virtual machine. Next, install ubuntu. There is an error. The language was changed to English, no error was reported, and the installation was successful. configure network In order to faci ...

Posted by xgab on Sat, 02 May 2020 01:00:12 +0200

Python - Implementing SSH Tunneling Function

Please indicate the source of the reprint: http://blog.csdn.net/l1028386804/article/details/78845722 Imagine an environment where you can access an SSH server on your intranet and you also want to access a Web server on the same segment.You cannot access the Web server directly, but SSH servers can access the Web server and there are no tools ...

Posted by k994519 on Fri, 01 May 2020 11:11:52 +0200

docker installs Chinese version of gitlab (Reprint)

1.pull image in Chinese: docker pull beginor/gitlab-ce:11.3.0-ce.0 2. Create directory: Generally, GitLab's configuration (etc), log (log) and data (data) are placed outside the container for later upgrade, so please prepare these three directories first. mkdir -p /usr/local/gitlab/etc mkdir -p /usr/local/gitlab/log mkdir -p ...

Posted by KeitaroHimura on Tue, 28 Apr 2020 06:14:24 +0200

How to use Github hook for automatic deployment

Recently, I bought domain name and server by chance. It's not really a waste. In addition, I haven't owned my own personal website, so I plan to play on the server with hexo, so I don't have to worry about whether to use Github pages or Gitee pages. Of course, today's topic is not blog building, but how to use Github's hook to deploy blog code ...

Posted by CodeMama on Sun, 26 Apr 2020 04:50:10 +0200

Which keys of SSH

Known Host Keys Prevent man in the middle attacks. https://www.ssh.com/ssh/host-key#known-host-keys SSH clients store host keys for hosts they have ever connected to. These stored host keys are called known host keys, and the collection is often called known hosts. In OpenSSH, the collection of known host keys is stored in /etc/ssh/known_ ...

Posted by ravira on Fri, 10 Apr 2020 16:57:03 +0200