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firewalld Introduction to firewalld firewalld is a daemon that can configure and monitor system firewall rules. It covers the settings of iptables, IP6 tables and ebtables. firewalld features The dynamic firewall function is realizedYou can communicate with firewalld through DBus message system to request to open the network port, so as to ...

Elasticsearch is a Lucene based search server. It provides a distributed multi-user full-text search engine based on RESTful web interface. Elasticsearch is developed in the Java language and released as an open source under the Apache license terms. It is a popular enterprise search engine. Elasticsearch is used in cloud computing, which can a ...

1. Server configuration 1. Reset the server password After purchasing a server (take Alibaba cloud as an example), a service will be generated in the server list. Click the server to enter server management (the interface may be different for different Linux versions). The default server initialization password is empty, so you need to set a ...

  Nginx installation 1. Create a new user and group ngxuser:ngxuser groupadd ngxuser  useradd -m -g ngxuser ngxuser #-m automatically creates the home directory, - g specifies the group 2. Install dependent packages (nginx installation is installed by root user) The two covered by red do not need to be installed #Force all installation ...

1, SpringBoot project environment IntelliJ IDEA 2018.3.2Mysql 5.1 2, Tencent cloud CentOS 7.6 image server Students can apply for Tencent cloud student exclusive, 27 yuan for three months 3, Attention (1) XShell Modify host namehostnamectl set-hostname master #Set to master name View current hostnamehostname After modifying the hos ...

Install Virtual Box, Download from official website Install Vagrant, Download from official website There are multiple Linux system images in the Vagrant image warehouse. We can use Vagrant to connect to the Virtual Box and quickly install the Linux image. Mirror Box warehouse Use vagrant init centos/7 to initialize a cantos7 virtual machin ...

Previously, we have declared the targets instance to monitor and collect our node service status, as follows However, when prometheus loads the target instance, there will be some default tags. We put the mouse over the label and it will be displayed These tags will help us to declare how prometheus should get indicators from the targ ...

The test environment built this time: PHP (5.5-7.0) + Apache (> 2.0) + MySQL 5 7 (Architecture) → Windows/Linux The first step is to install the basic software through yum Installation method: directly use after decompression; rpm file installation; yum online installation; There is no need to configure the yum source here, becaus ...

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. 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 ...