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OpenStack Stein Basic part 1, Basic configuration Turn off the firewall and selinux (all nodes) systemctl stop firewalld.service systemctl disable firewalld sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config setenforce 0 Secret free login (control node) ssh-keygen ssh-copy-id 192.168.16.82 ssh-copy-id 192.168.16.83 ...

introduce vue-element-admin Is a back-end front-end solution based on vue and element-ui Realization. It uses the latest front-end technology stack, built-in i18 internationalization solutions, dynamic routing, privilege validation, extracts a typical business model, provides rich functional components, which can help you quickly build enterpr ...

1. Preface If you have done Linux system transplantation or Linux related development, you should be familiar with the term root file system. In the process of building an embedded development environment, you must do three things: porting bootloader, porting kernel and making root file system. The root file system is the first file system mo ...

Step 1: write camchain Yaml. For specific parameters, refer to the yaml file obtained above. No parameters can be deleted. cam0: camera_model: pinhole distortion_coeffs: [0.3741003900681439, -0.3881978058678547, 3.1716618459908745, -6.001063348025562] distortion_model: equidistant intrinsics: [390.758503853357, 391.25816160400524, ...

1.Seata+Nacos deployment Script description client Address: https://github.com/seata/seata/tree/develop/script/client Store the configuration and SQL for the client At: undo in at mode_ Log table creation statementconf: configuration file of the clientSaga: table creation statement of the required table in Saga modeSpring: configurati ...

1. EnvironmentDocuments required in the documentreference resources: https://github.com/cby-chen/Kubernetes/releases/tag/cbyHost name IP address explain Software Master01192.168.1.30master nodekube-apiserver,kube-controller-manager,kube-sch ...

1. Preface U-boot is an open source bootloader, which is used to guide operations and provide developers with testing and debugging tools. It is a simplified Linux system, which is mainly responsible for the initialization and boot of hardware. It has some tools as the boot program, often as the boot of embedded devices. When the real system s ...

1. Installation test CMake can also specify installation rules and add tests. These two functions can be executed by using make install and make test after generating makefile. In GNU Makefile, you may need to write install and test pseudo targets and corresponding rules for this, but in CMake, such work also needs to simply call a few command ...

1. Preface Here we mainly record the problem that WiFi cannot connect to AP, analysis and solutions 2. Problem record 2.1 problem origin and description Problem origin: the trial production test of the factory production line found that the AP signal was strong but could not be connected without welding the antenna. Platform information: a ...

Personal homepage: Hello Code. This column: Java Web from introduction to actual combat It is long and not finished, and the follow-up content will be continuously updated This article will also be published in sections for your convenience If you don't have Java foundation, please go first Java zero foundation guide Column learning correspondi ...