Programming VIP

Links to the original text: https://blog.csdn.net/jiangbenchu/article/details/90769198 1. Modify the local/etc/hosts file # Add (*) to / etc/hosts file cat <<EOF >> /etc/hosts 172.26.48.4 k8s-master 172.26.48.5 k8s-node1 17 ...

In Linux, the use of deleting rm commands should be cautious. Sometimes important files are deleted due to misoperation. At this time, don't be too nervous. If you operate properly, you can still recover. EXT Type File Recovery Deleting a file does not actually clear the inode node and block data, but deletes the name of the file in the block ...

1.yum installs nginx rpm -ivh http://nginx.org/packages/centos/7/noarch/RPMS/nginx-release-centos-7-0.el7.ngx.noarch.rpm 2. View nginx information yum info nginx 3.yum installs nginx yum -y install nginx 4. View the nginx parameters of yum ...

Introduction: Openstack is an implementation of the IAAS architecture (infrastructure as a service), and OpenStack is an implementation of the IAAS architecture by NASA (National Aeronautics and Space Administration) A free software and open source project developed in collaboration with Rackspace and licensed under the Apache license.The foll ...

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 ...

Summary Pg_stat_states is an extension plug-in of PostgreSQL database, which is used to collect the running information of SQL in the database, such as the total execution time of SQL, the number of calls, the hit rate of shared memory and so on. Used to monitor the performance of database is an important expansion module of database performanc ...

Various monitoring tools Foreign linux Supervisory God: Baidu Search Brendan D. Gregg http://www.brendangregg.com/linuxperf.html I. hatop linux interactive process viewer supports mouse point, search and kill process, sorting, etc. It has quite powerful functions. https://www.cnblogs.com/enet01/p/8316006.html PID: Process flag number, non- ...

For the deployment of Squid services, you can refer to the blog: Installation and deployment of Squid proxy serverFor Squid Service Configuration Proxy Server, you can refer to the blog: Using Squid to Construct Traditional Agent and Transparent Agent ACL Access Control of Squid Service Squid provides a powerful proxy control mechanism. By set ...

The company recently migrated the front-end test server and found one during the migration process. PhantomJs Questions. There is this dependency package in the configuration file, but there is no problem in downloading dependencies locally, but afte ...

1. Creating linux System Account and Password through Location Variables$1 is the first parameter to execute the script, and $2 is the second parameter to execute the script. 1 #!/bin/bash 2 # Author: Peter zh 3 # Blog: https://home.cnblogs.com/zhangwduoduoj/ 4 # Time: 2019-08-17 19:19:45 5 # Name: userad.sh 6 # Version: v1.0 7 # Descr ...