Programming VIP

Centos Foundation and Installation Centos installation 1. Linux version derivation |- AT&T Unix: AT&T was originally developed, and later set up Bell Laboratory with Western Electric Company to continue to develop Unix from UNIX to UNICS (UNiplexed Information and Computing Service), while ...

Catalog 1.Playbook's initial understanding of scripts 2.Playbook variable use 3.Playbook variable registration 4.Playbook conditional statements 5.Playbook Loop Statement 6.Playbook exception handling 7.Playbook tags Tags 8.Playbook Handlers 9.Playbook Include ...

Cassandra is a de-centralized cluster architecture. There is no central node in the traditional cluster. Each node has equal status. The node information in the cluster is maintained through Gossip protocol. In order to enable each node in the cluster to discover other nodes at startup, seed nodes need to be designated. Each node communicates ...

Keepalived's design goal is to build a highly available LVS load balancing cluster that can call the ipvsadm tool to create virtual servers and manage server pools, not just as a dual hot standby. Using Keepalived to build LVS cluster is more convenient and easy to use. The main advantages are hot standby switching and availability improvement ...

YUM overview YUM Software Update Mechanism Based on RPM Package Construction Automatically resolving dependencies All packages are provided by a centralized YUM software repository The Way of Providing Software Warehouse FTP service: ftp://... HTTP service: http://... Local directory: file://... Sources of RPM Packages Collection of RPM Packet ...

--------------------------------------- Basic Overview - ----------------------------------------------------------------------------------------------------- PXE is a network boot technology developed by Inter Corporation. It works in Client/Server mode. It allows clients to download boot images from remote servers through the network and lo ...

What I want to share in this article is how to use docker to build a node development environment, so that the front-end students away from the local node, let his beloved partners do their own clean. Why build a node development environment? The tit ...

1. Software Installation1.1 Update System yum -y install wget vim-enhanced mkdir /etc/yum.repos.d/backup mv /etc/yum.repos.d/{*.repo,backup} wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.163.com/.help/CentOS7-Base-163.repo wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo rm -rf /var/cache/yum rm -rf /va ...

Declaration of documents This article only makes a record of my rhce exercises and commemorates my test experience. No promotion or advertising is involved. The question bank in this article originates from Taobao Environment (referring to which set of environment a general friend knows clearly, if you really don't know, you can leave a messag ...

1. Main points of contents: Deploy PXE Remote Installation Service Set up PXE remote installation server Verify PXE Network Installation Implement kickstart unattended installation Preparing to install the answer file Automatic Loading in Batches 2. Batch deployment of servers Scaling: assembling multiple servers at the same time Automati ...