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Environmental description: Operating system: centos-7-x86_-minimal-1611 Virtual machine: VMware ® Workstation 12 Pro; 12.5.5 build-5234757 Server: node1 (User1), node2 (User2) Implementation content: The user User1 of node1 server can log into the User2 account of node2 through SSH without key; Configuration process: By default, us ...

1. What can server initialization do Turn off selinux ntp synchronization time Modify dns Configure ssh key Modify yum source Set host name Kernel parameter optimization: tcp, memory, routing, file handle Install the necessary software package: gcc-c++ cmake nmp wget vim jdk traceroute iotop, etc Prohibit root logi ...

Docker accelerator Using docker to obtain images officially, because of network reasons, the process of pulling images is very slow. By configuring docker accelerator, the speed of accessing Docker Hub in domestic network is improved; docker environment installed [root@GaoServer ~]# docker run hello-world Hello fro ...

1. Install python3 vim7.4 and python2.7 are installed by default in CentOS 7. Now we want to install vim8 and make it support python3. First of all, you need to install python3 in the system. For specific installation steps, please refer to my previous blog: https://blog.csdn.net/geerniya/article/details/79263846 2. Compile ...

1. Environmental information:Three CentOS 7.6 virtual machines are built by using VMware Workstation in this environmentNode architecture: 1 controller node, 1 compute node, 1 cinder block storage node.The hardware configuration information is as follows: Node name ----------- CPU ----- memory ----- operating system ----- disk controller node ...

Preface Remember the fear of being dominated by bat.It's really hard to write bat scripts than shell scripts. Now that you understand these advanced languages, such as java js, it's easy to understand shell s.Learn simple grammar, look at scripts in familiar applications like tomcat and nacos, and learn other people's skills. It's about getting ...

download Choose the appropriate installation package for your system version. This article installs CentOS 7 MongoDB's official website is https://www.mongodb.com/ , you can download the MongoDB program on the official website. The reason why it's a program is that the relevant programs of MongoDB in the downloaded installa ...

1. First, Docker should be installed in CentOS 7, Docker installation reference 2. Pull the docker image of ZooKeeper and go to https://hub.docker.com/ Search relevant zoomkeeper images on docker pull zookeeper:3.4.14 3. Create three folders corresponding to three containers on the host computer /root/zookeeper01/conf /root/zookeeper01/d ...

1. Preface Redis is the largest cache middleware we use today, and it is widely used because of its powerful, efficient and convenient features.Redis released 3.0.0 in 2015, officially supporting redis clusters.This brings an end to the era of redis without clusters, which used to be Twemproxy published by twitter and codis developed by pea po ...

previously on My system environment is: CentOS Linux release 7.7.1908 (Core) Before installing Harbor, you need to install Docker and Docker compose (the installation of these two items will not be described in detail) Harbor introduction Harbor is an open-source project, which is used to store and distribute Docker images. It extends Docker D ...