Programming VIP

By Stack Thomas Translator: Crescent Moon Produced by | CSDN (ID: CSDNnews) Note: home network security is not considered in this project. You should use a password and make sure the network is inaccessible. I don't have any experience in IT, but after studying for some time, I successfully completed the project, which is due to several op ...

SSH Common remote connection software Putty: putty is an open source software with only more than 500 k, small and lightweight, but single function SecureCRT: SecureCRT is a terminal emulator that supports SSH(SSH1 and SSH2). In short, it is the software that logs in to the UNIX or Linux server host under Windows. The disadvantage is that t ...

Generate SSH public key As mentioned earlier, many Git servers use ssh public keys for authentication. In order to provide the Git server with the ssh public key, if a system user does not already have the key, a copy must be generated in advance. This process is similar on all operating systems. First, you need to confirm whether you already h ...

k8s environmental preparation Prepare a linux computer Install kvm and initialize k8s cluster nodes sudo apt-get install virt-manager Install os Configure kvm network segment sudo vi /etc/libvirt/qemu/networks/default.xml # After configuration, restart the network sudo systemctl restart network-manager Get through ssh tunnel ...

Configure Docker environment of ROS target Configure two independent Docker environments, ROS1 and ROS2 GUI applications in the ros docker container on the local display server, such as rqt, rviz, etc From the local, you can directly ssh log in to the ROS container of the server Mount a directory of the server into the container to facil ...

1. Create a private CA and apply for a certificate. 1.1 create CA related directories and files [22:05:51 root@centos8 data]#mkdir -pv /etc/pki/CA/{certs,crl,newcerts,private} mkdir: created directory '/etc/pki/CA' mkdir: created directory '/etc/pki/CA/certs' mkdir: created directory '/etc/pki/CA/crl' mkdir: created directory '/etc/pki/CA/new ...

1. Check whether SSH is installed: it is generally installed by default [changairjb@localhost ~]$ rpm -qa | grep ssh libssh-0.9.5-1.oe1.aarch64 openssh-8.2p1-13.oe1.aarch64 openssh-server-8.2p1-13.oe1.aarch64 //Server libssh2-1.9.0-6.oe1.aarch64 openssh-clients-8.2p1-13.oe1.aarch64 //client 2. If not installed: enter the following com ...

How to define a structure type? struct Student { int num; char name[2]; int age; }**;** The first letter is capitalized, and the structure name must reflect the function of the structure (self annotation) Function cannot be saved in structure: Solution: save function pointer example: struct Student { int num; char name[2]; int age; void ( ...

reference material: http://dblab.xmu.edu.cn/blog/1233/ Note: the experiment of this blog requires a Docker image with Hadoop cluster environment. Operating environment Ubuntu20.04 Hadoop3.3.1 JDK8 1. Open three containers with Docker Node introduction of this test Node nameeffectmasterMaster nodeslave1Secondary nodeslave2Secondary ...

1. Introduction to Rsync rsync is a data image backup tool under linux system. Using the fast incremental backup tool Remote Sync, you can synchronize remotely, support local replication, or synchronize with other SSH and rsync hosts. 2. rsync features rsync supports many features: 1. The entire directory tree and file system can be mir ...