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Summary nexus is a warehouse manager. In addition to the most commonly used function of creating maven warehouse, it can also build docker warehouse, yum source warehouse, npm pip ruby warehouse and so on. Today, we use this to create a Yum source warehouse Install nexus First, install nexus. I use the docker mode. First, the project under clo ...

1. Pre-preparation 1.1 Basic Knowledge In Kubernetes, using the GlusterFS file system, the steps are usually: Create brick-->Create volume-->Create PV-->Create PVC-->Pod Mount PVC If you want to create multiple PV s, you need to repeat the execution manually, and glusterfs can be managed through Heketi. Heketi is used to manage ...

Environmental description: host name Operating system version ip docker version kubelet version To configure Remarks master Centos 7.6.1810 172.27.9.131 Docker 18.09.6 V1.14.2 2C2G master host node01 Centos 7.6.1810 172.27.9.135 Docker 18.09.6 V1.14.2 2C2G Node node node02 Centos 7.6.1810 172.27.9.136 Docker 18.09.6 V1.14.2 2C2G Node ...

I. preliminary preparation 1.1 basic knowledge Heketi provides a RESTful management interface that can be used to manage the life cycle of a GlusterFS volume. Heketi will dynamically select bricks to build the required volumes in the cluster, so as to ensure that the copies of data will be distributed to different failure domains in the clust ...

I. KVM overview KVM is the abbreviation of Kernel Virtual Machine. At present, Linux distribution must run KVM in 64 bit system environment, and the hardware needs to support VT technology. 1. Case pre knowledge points KVM has been directly integrated into Linux kernel since Linux version 2.6.20. It relies on CPU virtualization instruction set ...

Label PostgreSQL, IOT, track aggregation, pipelinedb, flow calculation, real-time aggregation background IoT scenes, Internet of vehicles scenes, shared bicycle scenes, human behavior sites, etc. the terminal reports isolated sites in real time. We need to supplement them into tracks. For example, sharing bicycles, placing orders, unlocking, ...

Notes: CentOS 6.9 source compilation and installation of redis and PHP redis extensionI like to climb mountains. When I study GEO, I also demonstrate the coordinates of mountains. My coordinates are:116.517159,39.922267I sorted out the coordinates of some mountains $mountainCoordinates = array( array('115.793844', '40.584459', 'Hai_tuo'),// ...

Linux system is CentOS Linux release 7.4.1708 Python is deleted by manual, manual, and manual, which makes yum unavailable. Baidu, after reinstalling yum and python, always reported all kinds of errors. After suffering, I finally summed up a set of personal tests, which can be used and shared. Uninstall existing python firs ...

Linux network settings View network settings Test network connection Use network configuration command Modify network profile This article mainly introduces some basic and common Linux network setting commands and some script file configuration steps in Linux. I. view and test network configuration 1.ifconfig -- View network interface a ...

Master-slave replication, adding slave servers Three mysql servers. One is the master and one is the slave, realizing automatic backup. Add a new slave server System: CentOS 7.6 mariadb: 5.5.60 Primary server: [root@Centos7 ~]#vim /etc/my.cnf [mysqld] server_id=7 #Set server ID log_bin #Open binary log Start mysql, View b ...