Detailed load balancing configuration based on DR (direct routing) mode

DR (Direct Routing) is one of the three load balancing modes and is also one of the most used. For an introduction to this mode, you can refer to the blog: https://blog.51cto.com/14227204/2436891The environment is as follows:1. All web nodes and schedulers are configured with VIP: when clients access VIP (virtual IP address of the cluster), if ...

Posted by sades on Fri, 13 Sep 2019 21:10:20 -0700

Construction of LVS Load Balancing Based on NAT (Address Translation Mode)

For a detailed description of the basic configuration of LVS, please refer to the blog: https://blog.51cto.com/14227204/2436891Case environment:The results are as follows: Using the cluster technology of NAT mode, LVS load dispatcher is the gateway server for all nodes to access the Internet, and its 200.0.0.1 is also the VIP address of the w ...

Posted by eMonk on Mon, 09 Sep 2019 22:29:44 -0700

Linux Command Tool

Linux Command Tool w(who),nomn,ncdu,iftop,findmnt,htop,ccze,glances For the original picture, please see the original Mipu blog: Linux Command Tool   1,w (who) Yes, you're right. It's the w command. It's used in a similar way to who. Using ...

Posted by jbrave on Mon, 09 Sep 2019 03:50:47 -0700

Linux Remote YUM Warehouse and NFS Service

Overview of 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 P ...

Posted by ShiloVir on Mon, 09 Sep 2019 03:24:40 -0700

Redisyum and Compile Installation

Articles Catalogue Linux Installation and Use of Redis Experiments: windows installs redis Experiments: yum installs redis Experiments: Compile and install redis Script: compile and install redis Linux Installation and Use of Redis Officia ...

Posted by davespring on Sat, 07 Sep 2019 02:10:48 -0700

Building DNS Domain Name Resolution Service in CentOS7

Role of DNS systems The role of the DNS system in the network is to maintain an address database, which records the relationship between various host domain names and IP addresses in order to provide forward or reverse address query services to clients. Forward Resolution: Find the corresponding IP address based on the host name (domain name) ...

Posted by Valect on Thu, 05 Sep 2019 12:12:19 -0700

K8s cluster building (kubeadm scheme)

1. Minimum 3 CentosA, at least 2 cores CPU+2G memory+20G hard diskB. Must be in the same network segmentThe assignments in this example are: Master: 192.168.20.245 Worker1: 192.168.20.167 Worker2: 192.168.20.166 2. ip addr confirms whether an IPV4 address is assigned.Without nmtui, Automatically connect is ticked 3. Connect with SSH 4. Disabl ...

Posted by shailendra on Thu, 05 Sep 2019 10:15:23 -0700

Build Nginx (including virtual host) based on entos 7

Nginx is specially developed for performance optimization. Its greatest advantage is its stability and low system resource consumption, as well as its high processing capacity for concurrent http connections. A single physical server can support 20,000-50,000 concurrent requests. This is why it provides a large number of services such as socia ...

Posted by avillanu on Wed, 04 Sep 2019 06:14:30 -0700

Java programmers are bound to use Linux Quick Search Manual

Contents System Service Management file management view log Compression and decompression Disk and Network Management firewall ftp operation Installation and Management of Software Other System Service Management systemctl The state of each service in the output system: systemctl list-units --type=service View the running status of the serv ...

Posted by Crystal Dragon on Wed, 04 Sep 2019 05:54:13 -0700

LinuxPXE+Kickstrart Unattended Installation Service

Requirements: Turn off your own DHCP service in VMware Virtual Network Editor Host Name operating system IP Address NoneOS Centos7 192.168.72.250 Custormer nothing       1. Hang in local mirror source This configuration Yum repository, install DHCP service [root@NoneOs ~]# yum install dhcp -y 2. Configuring DHC ...

Posted by jaykappy on Thu, 29 Aug 2019 18:42:01 -0700