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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. Instance environment 2. First install the keepalived and ipvsadm packages 3.Keepalived configuration 3.1 Master Configuration (Master Load Balancer) 3.2 Backup Configuration (from Load Balancer) 4. Configure a real server node 5. Test Ke ...

(1). Overview of Varnish Varnish is a high performance open source HTTP accelerator that can effectively reduce the load on the web server and increase access speed.According to the official statement, Varnish is a cache-type HTTP reverse proxy. Poul-Henning Kamp, author of Varnish, is one of FreeBSD's core developers and believes that comput ...

This article introduces the working principle of filter. The configuration is xml. How does Filter go into execution logic Initial configuration: <filter> <filter-name>springSecurityFilterChain</filter-name> <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class> </filter> ...

Recently, an Esxi server needs to be hosted, only one public network ip, but all virtual machines need to access the public network. I haven't found a NAT network model similar to Vmware workstation in Esxi, so I want to use a virtual machine as a NAT server. My virtual machine system has Win2008 and entOS7. Considering the stability, I chose ...

Redis Cluster Building Instructions Using two virtual machines to simulate 6 nodes and one virtual machine to create 3 master and 3 salve environments Redis version: redis-3.2.4 linux version: CentOS 6.5 (10.60.44.76), CentOS 7.0 (10.60.44.105) 1. Download the redis installation package Installation package is attached, redis-3.2.4.tar.gz 2. ...

1. Install Strngswan yum install strongswan systemctl enable strongswan systemctl start strongswan 2. Creating Certificates strongswan pki --gen --outform pem > ca.key.pem strongswan pki --self --in ca.key.pem --dn "C=CN, O=iSoft, CN=iSoft wendell CA" --ca --lifetime 3650 --outform pem > ca.cert.pem strong ...

1. premise 1.1 The NODE environment has been built on the server, if not, you can refer to me. The previous blog Build. Because this blog is in The previous blog If there is any obscurity, you can read the previous blog first. 1.2 A NODE project has been written. 2. deployment 2.1 Because I use PM2 for process management, I first write the PM2 ...

If you haven't seen the last article, please click here first. Python 3 Flask+nginx+Gunicorn Deployment (Part I) Continue with the previous article, in which we have run and installed gunicorn and nginx. In this article, we need to bind the nginx and gunicorn ports. In the last article, we've run gunicorn Guicorn-w 4-b 1 ...

Authoritative Name Server Store and provide the actual data of an area (whole DNS domain or part of DNS domain). The types of authoritative name servers include: Master: Contains raw area data. Sometimes referred to as the "main" name server Slave: Backup server that transfers area data from Master server through ...