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k8s cluster environment construction preface Today, let's use kubeam to build a k8s cluster to prepare the environment for the microservice project we will write later. First, let's take a look Construction steps Turn off firewall systemctl stop firewalld.service systemctl disable firewalld.service Modify selinux setenforce 0 temporary ...

1. Experimental environment 1.1 problems Four virtual machines are prepared, three of which are used as storage cluster nodes and one is installed as client to realize the following functions: Create 1 client virtual machineCreate 3 storage cluster virtual machinesConfigure host name, IP address, YUM sourceModify the hostname of all ho ...

1 case 1: enable SELinux protection 1.1 problems This example requires SELinux to be configured for virtual machines server0 and desktop0: Make sure SELinux is in force enable modeThis setting must remain valid after each reboot 1.2 scheme SELinux, security enhanced Linux: it is a set of kernel based enhanced mandatory security prote ...

• for example: normal B/S mode (synchronous) AJAX Technology (asynchronous) Synchronization: submit the request - > wait for the server to process - > return after processing. During this period, the client browser cannot do anything Asynchronous: the request is triggered by an event - > processed by the server (at this time, ...

2021SC@SDUSC One of the issues to consider in a web project is how to authenticate users. User Authentication Method Traditional session authentication Internet services cannot be separated from user authentication. The general process is as follows. 1. Users send user names and passwords to the server. 2. After the server is ...

1. Block storage application case 1.1 problems Continue the experiment content of Day03, demonstrate the application case of block storage, and realize the following functions: Create mirror snapshotRestore data using snapshotsClone mirrors using snapshotsDelete snapshot 1.2 steps To implement this case, you need to follow the follow ...

1. Svn introduction The full name of SVN is subversion, i.e. version control system. Like CVS, SVN is a cross platform software that supports most common operating systems. As an open source version control system, subversion manages data that changes over time. This data is placed in a central repository. The archive is much like an ordinary ...

1. Prometheus monitoring server 1.1 problems This case requires the deployment of prometheus monitoring server to complete the following tasks: Install monitoring serverModify profileWrite service files and manage servicesView monitoring data 1.2 scheme Two virtual machines are required for the experiment, and the host information is ...

In the near future, we need to make some modifications to Zen. We installed a bunch of php environment, but we still don't know how to run the project locally. We simply deployed a new open source Zen on the test server, directly connected to the database, copied the code in the folder / opt/zbox/app/zentao, and directly modified it. Restart th ...

WeChat official account: operation and development story, author: double winter Continuous integration (CI) CI, Continuous Integration, is a very important link in the process of software development. In the process of Internet agile development, Continuous Integration is usually used for daily compilation and automatic testing to ensure ti ...