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Set password for root sudo passwd root enter Set password of root user (use root account) Install yum sudo apt-get updatesudo apt install yum Use domestic source address in Linux system (Ubuntu) Source address list file path The path of the source list configuration file of ubuntu system is / etc/apt/ sources.list In order ...

Implementation of ElasticSearch cluster encrypted communication based on TLS Author: "the wolf with hair bumping", welcome to reprint Catalog Application ▪ ES node information Step 1. Turn off service Step 2. Create CA certificate Step 3. Create CERT certificate Step 4. Create a keystore Step 5. Delete CA certificate Change the elas ...

Create a container without network configuration [root@localhost ~]# docker run -i -t --rm --net=none alpine sh / # Open another terminalView container id [root@localhost ~]# docker ps -a Find process id [root@localhost ~]# docker inspect -f '{{.State.Pid}}' 2aefc41dbdeb 9076 [root@localhost ~]# pid=9076 Create namespace [root@localhost ~] ...

Build a high performance + high availability ES architecture by separating the data, ingest, master roles of elasticsearch Author: "The Wolf of Britain", welcome to reprint and submit Catalog _Purpose_Architecture_Step description_elasticsearch-data deployment_elasticsearch-ingest deployment_elasticsearch-master deployment purpose ...

Recently, I encountered the problem of Linux user authentication in the process of the project. I thought about how to check the security of local Linux users, so I checked some data. Password Storage for Linux Looking at the data, we found that earlier Linux was stored in the / etc/password file, because the / etc/password permission control ...

Preface The latest version of win10 has been added with linux subsystem function. After a week's development, I feel that I can completely replace Mac OS. In linux environment, the ease of use of terminal tools, environmental stability and win10's massive software are combined, and then look at the wide choice of PC, it's not too good. It's tim ...

**Project description** 14 JAVA eureka microservices 5 Node projects A Node project VUE generates a static page as the front end pgsql redis rabbitmq emqx Project mind map **Build process:** Jenkins (pull gitlab code -- > Maven package java project / npm package node project / gradle package Android -- > check the quality of sonarqub ...

Two formats of 1: system.img system2_0.img: Linux rev 1.0 ext4 filesystem data, UUID=57f8f4bc-abf4-655f-bf67-946fc0f9f25b (extents) (large files) system1_0.img: Android sparse image, version: 1.0, Total of 393216 4096-byte output blocks in 1765 input chunks. //The above two formats are respectively: ext4 filesystem ...

After installing Ubuntu 18.04 on the newly purchased Lenovo ideapad-330C notebook, I found sadly that there is no wireless network, fortunately, the cable can still be used. Then I searched the Internet and found that many people encountered this problem, and some people gave solutions. Reference link: ThinkPad e470c (integrated network card r ...

Nvidia TX1 TX2 Serial Communication Method Nvidia TX2 Serial Port Serial port hardware Board Serial Port Description Hardware Connection Mode Testing tools and methods c + + communication code Nvidia TX2 Serial Port Using Invida embedded board for serial communication. Serial port hardware T ...