Programming VIP

I. networking requirements 1. As shown in the figure, RouterA is directly connected to RouterB through three interfaces. Normally, HostA transmits data to HostB through RouterA's GE0/0/0 interface. In order to improve the reliability of data transmission between HostA and HostB, users hope that when the GE0/0/0 interface fail ...

1. Select equipment equipment Interface IP address Subnet mask Vlan80 Virtual interface 10.10.3.129 255.255.255.128 Vlan30 Virtual interface 10.10.2.1 255.255.255.0 Vlan20 Virtual interface 10.10.0.1 255.255.254.0 Vlan10 Virtual interface 10.10.3.1 255.255.255.128 R1 F0/0 1.1.1.2 255.255.255.0 S0/0 2.2.2.1 255.255.255.0 R2 S0/ ...

Implementation of ElasticSearch cluster encrypted communication based on TLS Author: "the wolf with hair bumping", welcome to reprint Catalog Application ▪ ES node information Step 1. Turn off service Step 2. Create CA certificate Step 3. Create CERT certificate Step 4. Create a keystore Step 5. Delete CA certificate Change the elas ...

November 26 mission 12.6 Nginx installation https://my.oschina.net/u/3964535/blog/2933878  12.7 default virtual host 12.8 Nginx user authentication 12.9 Nginx domain name redirection   Configure nginx virtual host Modify nginx main configuration file [root@localhost nginx-1.12.2]# vim /usr/local/nginx/conf/nginx.conf # Delete the origi ...

Reasonable use of local cache can effectively reduce network overhead and response delay. The HTTP header also defines many cache related domains to control the cache. Let's talk about the implementation details of the cache part in OkHttp today. HTTP cache policyFirst of all, let's understand the related domains of the cache part in the HTTP p ...

When installing the Red Hat Enterprise Linux 8 teaching environment, students need to install the environment into a virtual machine to practice on their laptops. VMware Workstation is generally recommended to host the entire teaching environment. Get ready: 1) mobile hard disk 2) USB disk above 16G 3) RHEL8 teaching environment software S ...

I. Prometheus installation and configuration 1. Download and unzip the installation package cd /usr/local/src/ export VER="2.13.1" wget https://github.com/prometheus/prometheus/releases/download/v${VER}/prometheus-${VER}.linux-amd64.tar.gz mkdir -p /data0/prometheus groupadd prometheus useradd -g prometheus prometheus -d /data0/prometheus ...

brief introduction People who have used win32diskimage know that the u disk will become several partitions after being mirrored with that object, and some partitions cannot be mounted, and the disk management tool of Mac can not deal with this problem well, but there is no good partition tool under Mac. If there is one that can be recommended ...

ab introduction ab is the abbreviation of Apache bench command ab is apache's own stress testing tool. ab is very practical. It can not only test the web site access stress of apache servers, but also stress test other types of servers. For example, nginx, tomcat, haproxy, etc Principle of ab Principle of ab: the ab command will cr ...

sshAutoLogin It can make your ssh login simply as well as efficiently on Mac or Linux. we are frequently using ssh login remote server by terminal. We will find a headache that is often entering a repetitive command line. Fuck~ it's a waste of time!Maybe you cloud write configure of alias on profile. enenen~ Finally, I determined to write a tim ...